H. Ikeda

Publication List Details

Period

1987 - 2009

Number

394

Co-Authors

Evolution of the Fermi surface of BaFe_2(As_{1-x}P_x)_2 on entering the superconducting dome (2009)

Shishido, H., Bangura, A. F., Coldea, A. I., Tonegawa, S., Hashimoto, K., Kasahara, S., ...

Using the de Haas-van Alphen effect we have measured the evolution of the Fermi surface of BaFe_2(As_{1-x}P_x)_2 as function of isoelectric substitution (As/P) for 0.41

First Experience with the LHC Beam Loss Monitoring System (2009)

Böhlen, T, Dehning, B, Effinger, E, Emery, J, Follin, F, Holzer, E, ...

The LHC beam loss monitoring system (BLM) consists of about 4000 monitors observing losses at all quadrupole magnets and many other likely loss locations. At the first LHC operation in August and...

Non-universal gap structure in iron-based high-Tc superconductors (2009)

Hashimoto, K., Yamashita, M., Kasahara, S., Senshu, Y., Nakata, N., Tonegawa, S., ...

Experimental insight into the origin of the interactions which drive high temperature superconductivity can be gained from the anisotropy of the energy gap. In the high-T_c Fe-pnictide...

LHC BLM Single Channel Connectivity Test using the Standard Installation (2009)

Emery, J, Dehning, B, Effinger, E, Ferioli, G, Zamantzas, C, Ikeda, H, ...

For the LHC Beam Loss Measurement system (BLM), the high voltage supply of the ionisation chambers and the secondary emission detectors is used to test their connectivity. A harmonic modulation of...

Evolution from Non-Fermi to Fermi Liquid Transport Properties by Isovalent Doping in BaFe2(As1-xPx)2 Superconductors (2009)

Kasahara, S., Shibauchi, T., Hashimoto, K., Ikada, K., Tonegawa, S., Okazaki, R., ...

The normal-state charge transport is studied systematically in high-quality single crystals of BaFe$_2$(As$_{1-x}$P$_x$)$_2$ ($0 \leq x \leq 0.71$). By substituting isovalent P for As, the...

The KamLAND full-volume calibration system (2009)

Berger, B. E., Busenitz, J., Classen, T., Decowski, M. P., Dwyer, D. A., Elor, G., ...

We have successfully built and operated a source deployment system for the KamLAND detector. This system was used to position radioactive sources throughout the delicate 1-kton liquid scintillator...

Fourth-Order Perturbation Expansion for Hubbard Model on a Two-Dimensional Square Lattice (2008)

Ikeda, H., Shinkai, S., Yamada, K.

We investigate the Hubbard model on a two-dimensional square lattice by the perturbation expansion to the fourth order in the on-site Coulomb repulsion U. Numerically calculating all diagrams up to...

Pseudogap and Superconductivity in Iron-Based Layered Superconductor studied by Fluctuation-Exchange Approximation (2008)

Ikeda, H.

We investigate interplay between magnetic fluctuations and superconductivity in the effective five-band Hubbard model for iron-oxypnictide superconductors on the basis of the fluctuation-exchange...

Precision measurement of neutrino oscillation parameters with KamLAND (2008)

Abe, S., Ebihara, T., Enomoto, S., Furuno, K., Gando, Y., Ichimura, K., ...

The KamLAND experiment has determined a precise value for the neutrino oscillation parameter Δm2 21 and stringent constraints on θ12. The exposure to nuclear reactor antineutrinos is increased...

BETATRON SIDEBANDS DUE TO ELECTRON CLOUDS UNDER COLLIDING BEAM CONDITIONS (2008)

J. W. Flanagan, K. Ohmi, H. Fukuma, Y. Funakoshi, S. Hiramatsu, H. Ikeda, ...

Proceedings of 2005 Particle Accelerator Conference, Knoxville, Tennessee Recently, we have observed vertical betatron sidebands in the transverse beam spectra of positron bunches at the KEKB LER...

SIMULATION ANALYSIS OF HEAD-TAIL MOTION CAUSED BY ELECTRON CLOUD (2008)

K. Ohmi, J. W. Flanagan, H. Fukuma, S. Hiramatsu, H. Ikeda, M. Tobiyama

Synchro-beta side band signal caused by electron cloud instability has been observed at KEK-B factory. The sideband appears above the threshold of beam size blow-up and disappears by exciting...

location of (2007)

K. Hatanaka, N. Nakasato, K. Nagamatsu, M. Iwasaki, A. Kanno, H. Ikeda, ...

of the pattern-evoked magnetic fields associated with the

Molecular Dynamics Simulation on Plastic Deformation of Metallic Nanowires (2007)

H. Ikeda, Y. Qi, T. Cagin, K. Samwer, W. Johnson, W. Goddard Iii, ...

We have studied the initial stage of plastic deformation behavior of metallic nanowire of pure nickel, by using molecular dynamics methods. In these simulations, we applied uniform strain along...

KEKB Beam Instrumentation Systems (2007)

M. Arinaga, J. Flanagan, S. Hiramatsu, T. Ieiri, H. Ikeda, H. Ishii, ...

For the stable high-luminosity operation and luminosity-increase, the electron and positron storage rings of the KEK B-Factory (KEKB) is equipped with various beam instrumentations, which have being...

Calculation of Mechanical, Thermodynamic and Transport Properties of Metalic Glass formers (2007)

T. Cagin, Y. Qi, H. Li, Y. Kimura, H. Ikeda, W. L. Johnson, ...

Recently, wehave parametrized Sutton-Chen type empirical many body force elds for FCC transition metals to study the thermodynamic, mechanical, transport and phase behavior of metals and their...

Compensation of the Crossing Angle with Crab Cavities at KEKB (2007)

Abe, T., Akai, K., Akemoto, M., Akiyama, A., Arinaga, M., Ebihara, K., ...

Crab cavities have been installed in the KEKB B--Factory rings to compensate the crossing angle at the collision point and thus increase luminosity. The beam operation with crab crossing has been...

Genetic analysis of rooting ability of transplanted rice (Oryza sativa L.) under different water conditions (2007)

Ikeda, H, Kamoshita, A, Manabe, T

In order to assess the benefits of superior rooting ability of rice (Oryza sativa L.) for growth after transplanting under water-limiting conditions, genetic differences in the rooting ability of...

Search for the Invisible Decay of Neutrons with KamLAND (2006)

Araki, T., Enomoto, S., Furuno, K., Gando, Y., Ichimura, K., Ikeda, H., ...

The Kamioka Liquid scintillator Anti-Neutrino Detector (KamLAND) is used in a search for single neutron or two neutron intra-nuclear disappearance that would produce holes in the $\it{s}$-shell...

Search for the Invisible Decay of Neutrons with KamLAND (2006)

Araki, T., Enomoto, S., Furuno, K., Gando, Y., Ichimura, K., Ikeda, H., ...

The Kamioka Liquid scintillator Anti-Neutrino Detector (KamLAND) is used in a search for single neutron or two neutron intra-nuclear disappearance that would produce holes in the $\it{s}$-shell...

Genetic analysis of rooting ability of transplanted rice (Oryza sativa L.) under different water conditions (2006)

Ikeda, H., Kamoshita, A., Manabe, T.

In order to assess the benefits of superior rooting ability of rice (Oryza sativa L.) for growth after transplanting under water-limiting conditions, genetic differences in the rooting ability of...

Moderate Increase of Mean Daily Temperature Adversely Affects Fruit Set of Lycopersicon esculentum by Disrupting Specific Physiological Processes in Male Reproductive Development (2006)

SATO, S., KAMIYAMA, M., IWATA, T., MAKITA, N., FURUKAWA, H., IKEDA, H.

• Background and Aims Global warming is gaining significance as a threat to natural and managed ecosystems since temperature is one of the major environmental factors affecting plant productivity....

Moderate Increase of Mean Daily Temperature Adversely Affects Fruit Set of Lycopersicon esculentum by Disrupting Specific Physiological Processes in Male Reproductive Development (2006)

SATO, S., KAMIYAMA, M., IWATA, T., MAKITA, N., FURUKAWA, H., IKEDA, H.

• Background and Aims Global warming is gaining significance as a threat to natural and managed ecosystems since temperature is one of the major environmental factors affecting plant productivity....

Genetic analysis of rooting ability of transplanted rice (Oryza sativa L.) under different water conditions (2006)

Ikeda, H., Kamoshita, A., Manabe, T.

In order to assess the benefits of superior rooting ability of rice (Oryza sativa L.) for growth after transplanting under water-limiting conditions, genetic differences in the rooting ability of...

A flume experiment on the development of subaqueous fine-gravel dunes from a lower-stage plane bed (2005)

Carling, P. A., RIchardson, K., Ikeda, H.

Determining the hydraulic conditions whereby gravel dunes first develop in subaqueous environments is fundamental as their presence may influence engineering solutions designed to maintain bed...

Measurement of Neutrino Oscillation with KamLAND: Evidence of Spectral Distortion (2005)

Araki, T., Eguchi, K., Enomoto, S., Furuno, K., Ichimura, K., Ikeda, H., ...

We present results of a study of neutrino oscillation based on a 766 ton/year exposure of KamLAND to reactor antineutrinos. We observe 258 [overline nu ]e candidate events with energies above 3.4 MeV...

Measurement of Neutrino Oscillation with KamLAND: Evidence of Spectral Distortion (2005)

Araki, T., Eguchi, K., Enomoto, S., Furuno, K., Ichimura, K., Ikeda, H., ...

We present results of a study of neutrino oscillation based on a 766 ton/year exposure of KamLAND to reactor antineutrinos. We observe 258 [overline nu ]e candidate events with energies above 3.4 MeV...

Impact of Aircraft Emissions on NO***Subx*** in the Lowermost Stratosphere at Northern Midlatitudes (2004)

Mahoney, M., Kondo, Y., Koike, M., Ikeda, H., Anderson, B., Brunke, K., ...

Airborne measurements of NO, total reactive nitrogen(NO***suby***), O***sub3***, and condensation nuclei (CN) were made, together with other tracers such as CO and H***sub2***O, within air traffic...

Negative Momentum Compaction at KEKB (2004)

Ikeda, H., Flanagan, J. W., Fukuma, H., Hiramatsu, S., Ieiri, T., Koiso, H., ...

KEKB is a high luminosity e+e- collider for studying B mesons and has achieved the design luminosity of 1034cm-2s-1 in 2003. In order to get higher luminosity, we tested negative momentum compaction...

Combination of CDF and D0 results on the W boson mass and width (2004)

Abazov, V. M., Abbott, B., Abdesselam, A., Abolins, M., Abramov, V., Acharya, B. S., ...

The results based on 1992-95 data (Run 1) from the CDF and D0 experiments on the measurements of the W boson mass and width are presented, along with the combined results. We report a Tevatron...

Measurement of the average time-integrated mixing probability of b-flavored hadrons produced at the Fermilab Tevatron (2004)

Acosta, D., Affolder, T., Akimoto, H., Albrow, M. G., Ambrose, D., Amidei, D., ...

We have measured the number of like-sign (LS) and opposite-sign (OS) lepton pairs arising from double semileptonic decays of b and (b) over bar hadrons, pair produced at the Fermilab Tevatron...

Inclusive double-Pomeron exchange at the Fermilab tevatron (p)over-barp collider (2004)

Acosta, D., Affolder, T., Akimoto, H., Albrow, M. G., Ambrose, D., Amidei, D., ...

We report results from a study of events with a double-Pomeron exchange topology produced in (p) over barp collisions at roots=1800 GeV. The events are characterized by a leading antiproton and a...

Search for Kaluza-Klein graviton emission in p(p)over-bar collisions at root s=1.8 TeV using the missing energy signature (2004)

Acosta, D., Affolder, T., Akimoto, H., Albrow, M. G., Ambrose, D., Amidei, D., ...

We report on a search for direct Kaluza-Klein graviton production in a data sample of 84 pb(-1) of p (p) over bar collisions at roots=1.8 TeV, recorded by the Collider Detector at Fermilab. We...

Search for pair production of scalar top quarks in R-parity violating decay modes in p(p)over-bar collisions at root s=1.8 TeV (2004)

Acosta, D., Affolder, T., Akimoto, H., Albrow, M. G., Ambrose, D., Amidei, D., ...

We present the results of a search for pair production of scalar top quarks ((t) over tilde (1)) in an R-parity violating supersymmetry scenario in 106 pb(-1) of p (p) over bar collisions at...

Combination of CDF and D0 results on the W boson mass and width (2004)

M. Abazov, V., Abbott, B., Abdesselam, A., Abolins, M., Abramov, V., S. Acharya, B., ...

The results based on 1992–95 data (Run 1) from the CDF and D0 experiments on the measurements of the W boson mass and width are presented, along with the combined results. We report a Tevatron...

Combination of CDF and D0 results on the W boson mass and width (2004)

M. Abazov, V., Abbott, B., Abdesselam, A., Abolins, M., Abramov, V., S. Acharya, B., ...

The results based on 1992–95 data (Run 1) from the CDF and D0 experiments on the measurements of the W boson mass and width are presented, along with the combined results. We report a Tevatron...

Combination of CDF and D0 results on the W boson mass and width (2004)

Abazov, V.M., Abbott, B., Abdesselam, A., Abolins, M., Abramov, V., S. Acharya, B., ...

The results based on 1992–95 data (Run 1) from the CDF and D0 experiments on the measurements of the W boson mass and width are presented, along with the combined results. We report a Tevatron...

Combination of CDF and D0 results on the W boson mass and width (2004)

Abazov, V.M., Abbott, B., Abdesselam, A., Abolins, M., Abramov, V., S. Acharya, B., ...

The results based on 1992–95 data (Run 1) from the CDF and D0 experiments on the measurements of the W boson mass and width are presented, along with the combined results. We report a Tevatron...

Combination of CDF and D0 results on the W boson mass and width (2004)

Abazov, V.M., Abbott, B., Abdesselam, A., Abolins, M., Abramov, V., S. Acharya, B., ...

The results based on 1992–95 data (Run 1) from the CDF and D0 experiments on the measurements of the W boson mass and width are presented, along with the combined results. We report a Tevatron...

Inclusive double Pomeron exchange at the Fermilab tevatron p bar-p collider (2004)

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Ambrose, D., Amidei, D., ...

We report results from a study of events with a double Pomeron exchange topology produced in pbar-p collisions at roots=1800 GeV. The events are characterized by a leading antiproton and a large...

Search for pair production of scalar top quarks in R-parity violating decay modes in p(p)over-bar collisions at root s=1.8 TeV (2004)

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Ambrose, D., Amidei, D., ...

We present the results of a search for pair production of scalar top quarks ((t) over tilde (1)) in an R-parity violating supersymmetry scenario in 106 pb(-1) of p (p) over bar collisions at...

Search for Kaluza-Klein graviton emission in p(p)over-bar collisions at root s=1.8 TeV using the missing energy signature (2004)

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Ambrose, D., Amidei, D., ...

We report on a search for direct Kaluza-Klein graviton production in a data sample of 84 pb(-1) of p (p) over bar collisions at roots=1.8 TeV, recorded by the Collider Detector at Fermilab. We...

Momentum distribution of charged particles in jets in dijet events in p(p)over-bar collisions at root s=1.8 TeV and comparisons to perturbative QCD predictions (2003)

Acosta, D., Affolder, T., Akimoto, H., Albrow, M. G., Ambrose, D., Amidei, D., ...

Inclusive momentum distributions of charged particles in restricted cones around jet axes were measured in dijet events with invariant dijet masses in the range 80 to 600 GeV/c(2). Events were...

Search for lepton flavor violating decays of a heavy neutral particle in p(p)over-bar collisions at root s=1.8 TeV (2003)

Acosta, D., Affolder, T., Akimoto, H., Albrow, M. G., Ambrose, D., Amidei, D., ...

We report on a search for a high mass, narrow width particle that decays directly to emu, etau, or mutau. We use approximately 110 pb(-1) of data collected with the Collider Detector at Fermilab from...

Search for the supersymmetric partner of the top quark in dilepton events from p(p)over-bar collisions at root s=1.8 TeV (2003)

Acosta, D., Affolder, T., Akimoto, H., Albrow, M. G., Ambrose, D., Amidei, D., ...

We have searched for pair production of the supersymmetric partner of the top quark (stop) in 107 pb(-1) of p (p) over bar collisions at roots=1.8 TeV collected by the Collider Detector at Fermilab...

Central pseudorapidity gaps in events with a leading antiproton at the Fermilab tevatron (p)over-barp collider (2003)

Acosta, D., Affolder, T., Akimoto, H., Albrow, M. G., Ambrose, D., Amidei, D., ...

We report a measurement of the fraction of events with a large pseudorapidity gap Deltaeta within the pseudorapidity region available to the proton dissociation products X in (p) over bar +p-->(p)...

Search for associated production of Upsilon and vector boson in p(p)over-bar collisions at root(s)over-bar=1.8 TeV (2003)

Acosta, D., Affolder, T., Akimoto, H., Albrow, M. G., Ambrose, D., Amidei, D., ...

We present a search for associated production of the Y(1S) and a vector boson in 83 pb(-1) of p (p) over bar collisions at roots=1.8 TeV collected by the CDF experiment in 1994-1995. We find no...

Search for long-lived charged massive particles in p(p)over-bar collision at root s=1.8 TeV (2003)

Acosta, D., Affolder, T., Akimoto, H., Albrow, M. G., Ambrose, D., Amidei, D., ...

We report a search for the production of long-lived charged massive particles in a data sample of 90 pb(-1) of roots = 1.8 TeV p (p) over bar collisions recorded by the Collider Detector at Fermilab....

Search for a W-' boson decaying to a top and bottom quark pair in 1.8 TeV p(p)over-bar collisions (2003)

Acosta, D., Affolder, T., Akimoto, H., Albrow, M. G., Ambrose, D., Amidei, D., ...

We report the results of a search for a W-' boson produced in p (p) over bar collisions at a center-of-mass energy of 1.8 TeV using a 106 pb(-1) data sample recorded by the Collider Detector at...

Momentum distribution of charged particles in jets in dijet events in p(p)over-bar collisions at root s=1.8 TeV and comparisons to perturbative QCD predictions (2003)

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Ambrose, D., Amidei, D., ...

Inclusive momentum distributions of charged particles in restricted cones around jet axes were measured in dijet events with invariant dijet masses in the range 80 to 600 GeV/c(2). Events were...

Search for a W' boson decaying to a top and bottom quark pair in 1.8 TeV p(p)over-bar collisions (2003)

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Ambrose, D., Amidei, D., ...

We report the results of a search for a W-' boson produced in p (p) over bar collisions at a center-of-mass energy of 1.8 TeV using a 106 pb(-1) data sample recorded by the Collider Detector at...

Search for associated production of Upsilon and vector boson in p(p)over-bar collisions at root(s)over-bar=1.8 TeV (2003)

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Ambrose, D., Amidei, D., ...

We present a search for associated production of the Y(1S) and a vector boson in 83 pb(-1) of p (p) over bar collisions at roots=1.8 TeV collected by the CDF experiment in 1994-1995. We find no...

Search for long-lived charged massive particles in p(p)over-bar collision at root s=1.8 TeV (2003)

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Ambrose, D., Amidei, D., ...

We report a search for the production of long-lived charged massive particles in a data sample of 90 pb(-1) of roots = 1.8 TeV p (p) over bar collisions recorded by the Collider Detector at Fermilab....

Search for the supersymmetric partner of the top quark in dilepton events from p(p)over-bar collisions at root s=1.8 TeV (2003)

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Ambrose, D., Amidei, D., ...

We have searched for pair production of the supersymmetric partner of the top quark (stop) in 107 pb(-1) of p (p) over bar collisions at roots=1.8 TeV collected by the Collider Detector at Fermilab...

Phase I study of combined radiation, hyperthermia and intra-arterial carboplatin for local recurrence of cervical cancer (2003)

Tsuda, H., Tanaka, M., Manabe, T., Ikeda, H., Negoro, S., Ishiko, O., ...

Background: Patients with cervical cancer who develop pelvic recurrence after primary surgery are usually treated with radiation-based therapy. However, their prognoses are dismal. We conducted a...

Branching ratio measurements of exclusive B+ decays to charmonium with the Collider Detector at Fermilab (2002)

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Ambrose, D., Amidei, D., ...

We report on measurements of the branching ratios of the decays B+→chi(c1)(0)(1P)K+ and B+→J/psiK(+)pi(+)pi(-), where chi(c1)(0)(1P)→J/psigamma and J/psi→mu(+)mu(-) in p (p) over bar...

Comparison of the isolated direct photon cross sections in p(p)over-bar collisions at root s=1.8 TeV and root s=0.63 TeV. (2002)

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Ambrose, D., Amidei, D., ...

We have measured the cross sections d(2)sigma/dP(T)deta for production of isolated direct photons in p (p) over bar collisions at two different center-of-mass energies, 1.8 TeV and 0.63 TeV, using...

Cross section for forward J/psi production in p(p)over-bar collisions at root s=1.8 TeV (2002)

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Ambrose, D., Amidei, D., ...

The inclusive cross section for J/psi production times the branching ratio B(J/psi→mu(+)mu(-)) has been measured in the forward pseudorapidity region: Bxdsigma[(p) over bar +p→J/psi(p(T) gt 10...

Diffractive dijet production at root s=630 and 1800 GeV at the Fermilab tevatron (2002)

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Amaral, P., Ambrose, D., ...

We report a measurement of the diffractive structure function F-jj(D) of the antiproton obtained from a study of dijet events produced in association with a leading antiproton in (p) over barp...

Limits on extra dimensions and new particle production in the exclusive photon and missing energy signature in p(p)over-bar collisions at root s=1.8 TeV (2002)

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Ambrose, D., Amidei, D., ...

The exclusive gammais not an element of(T) signal has a small standard model cross section and is thus a channel sensitive to new physics. This signature is predicted by models with a superlight...

Measurement of B-meson lifetimes using fully reconstructed B decays produced in p(p)over-bar collisions at root s=1.8 TeV (2002)

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Ambrose, D., Amidei, D., ...

We present an improved measurement of b-meson lifetimes using fully reconstructed B-decays produced in p(p) over bar collisions at roots = 1.8 TeV, using 114 pb(-1) of data collected at the Collider...

Measurement of the B+ total cross section and B+ differential cross section d sigma/dpT in p(p)over-bar collisions at root s=1.8 TeV (2002)

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Amaral, P., Ambrose, D., ...

We present measurements of the B+ meson total cross section and differential cross section dsigma/dp(T). The measurements use a 98+/-4 pb(-1) sample of p (p) over bar collisions at roots = 1.8 TeV...

Measurement of the ratio of b quark production cross sections in (p)over-bar-p collisions at root s=630 GeV and root s=1800 GeV (2002)

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Ambrose, D., Amidei, D., ...

We report a measurement of the ratio of the bottom quark production cross section in antiproton-proton collisions at roots=630 GeV to 1800 GeV using bottom quarks with transverse momenta greater than...

Search for new physics in photon-lepton events in p(p)over-bar collisions at root s=1.8 TeV (2002)

Acosta, D., Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., ...

We present the results of a search in p (p) over bar collisions at roots=1.8 TeV for anomalous production of events containing a photon with large transverse energy and a lepton (e or mu) with large...

Search for radiative b-hadron decays in p(p)over-bar collisions at root s=1.8 TeV (2002)

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Ambrose, D., Amidei, D., ...

We have performed a search for radiative b-hadron decays using events produced in p (p) over bar collisions at roots=1.8 TeV and collected by the Collider Detector at Fermilab. The decays we...

Search for single-top-quark production in p(p)over-bar collisions at root s=1.8 TeV (2002)

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Amaral, P., Ambrose, D., ...

We search for standard model single-top-quark production in the W-gluon fusion and W-star channels using 106 pb(-1) of data from p(p) over bar collisions at roots = 1.8 TeV collected with the...

Search for the decay B-s →mu(+)mu(-)phi in p(p)over-bar collisions at root s=1.8 TeV (2002)

Acosta, D., Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., ...

We present a search for the flavor-changing neutral current decay B-s→mu(+)mu(-)phi in p (p) over bar collisions at roots=1.8 TeV, using 91 pb(-1) of data collected at the Collider Detector at...

Soft and hard interactions in p(p)over-bar collisions at root s=1800 and 630 GeV (2002)

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Amaral, P., Ambrose, D., ...

We present a study of p (p) over bar collisions at roots=1800 and 630 GeV collected using a minimum bias trigger by the CDF experiment in which the data set is divided into two classes corresponding...

Study of the heavy flavor content of jets produced in association with W bosons in p(p)over-bar collisions at root s=1.8 TeV (2002)

Acosta, D., Affolder, T., Akimoto, H., Akopian, A., Amaral, P., Ambrose, D., ...

We present a detailed examination of the heavy flavor content of the W+jet data sample collected with the Collider Detector at Fermilab during the 1992-1995 collider run at the Fermilab Tevatron....

Upsilon production and polarization in p(p)over-bar collisions at root s=1.8 TeV (2002)

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Amaral, P., Ambrose, D., ...

We report on measurements of the Y(1S), Y(2S), and Y(3S) differential cross sections (d(2)sigma/dp(T)dy)(\y\ lt 0.4) , as well as on the Ε(1S) polarization in p[(p)over bar] collisions at roots =...

Charged jet evolution and the underlying event in proton- antiproton collisions at 1.8 TeV (2002)

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...

The growth and development of "charged particle jets" produced in proton-antiproton collisions at 1.8 TeV are studied over a transverse momentum range from 0.5 GeV/c to 50 GeV/c. A variety of leading...

Cross section and heavy quark composition of gamma+mu events produced in p(p)over-bar collisions (2002)

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...

We present a measurement of the cross section and the first measurement of the heavy flavor content of associated direct photon + muon events produced in hadronic collisions. These measurements come...

Measurement of the strong coupling constant from inclusive jet production at the Tevatron (p)over-barp collider (2002)

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...

We report a measurement of the strong coupling constant, alpha(s)(M-Z), extracted from inclusive jet production in p (p) over bar collisions at root(s) = 1800 GeV. The QCD prediction for the...

Search for gluinos and scalar quarks in p(p)over-bar collisions at root s=1.8 TeV using the missing energy plus multijets signature (2002)

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...

We have performed a search for gluinos ((g) over tilde) and scalar quarks ((q) over tilde) in a data sample of 84 pb(-1) of p (p) over bar collisions at roots = 1.8 TeV, recorded by the Collider...

Search for new heavy particles in the WZ0 final state in ppover-bar collisions at root s=1.8 TeV (2002)

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...

We present the first general search for new heavy particles, X, which decay via X → WZ(0) → enu + jj as a function of M-X and Gamma(X) in p(p) over bar collisions at roots = 1.8 TeV. No evidence...

Searches for new physics in events with a photon and b-quark jet at CDF (2002)

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...

We have searched for evidence of physics beyond the standard model in events that include an energetic photon and an energetic b-quark jet, produced in 85 pb(-1) of (p) over barp collisions at 1.8...

Study of B-0 → J/psi K-(*)0 pi(+)pi(-) decays with the Collider detector at Fermilab (2002)

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...

We report a study of the decays B-0 → J/psiK((*)0) pi(+) pi(- ), which involve the creation of a u(u) over bar or d(d) over bar quark pair in addition to a (b) over bar → (c) over bar(c(s)...

Electron Identification in Belle (2001)

Hanagaki, K., Kakuno, H., Ikeda, H., Iijima, T., Tsukamoto, T.

We report on electron identification methods and their performance in the Belle experiment at the KEK-B asymmetric B-Factory $e^{+} e^{-}$ storage ring. Electrons are selected using a likelihood...

Charged-particle multiplicity p(p)over-bar collisions at root s=1.8 TeV (2001)

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...

We report on a measurement of the mean charged-particle multiplicity of jets in dijet events with dijet masses in the range 80-630 GeV/c(2), produced at the Tevatron in p(p) over bar collisions with...

Double diffraction dissociation at the Fermilab Tevatron collider (2001)

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...

We present results from a measurement of double diffraction dissociation in pp collisions at the Fermilab Tevatron collider. The production cross section for events with a central pseudorapidity gap...

First measurement of the ratio B(t→Wb)/B(t→Wq) and associated limit on the Cabibbo-Kobayashi-Maskawa element vertical bar V-tb vertical bar (2001)

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...

We present the first measurement of the ratio of branching fractions R ≡ B(t → Wb)/B(t → Wq) from pa collisions at roots = 1.8 TeV. The data set corresponds to 109 pb-1 of data...

Measurement of d sigma/dM and forward-backward charge asymmetry for high-mass Drell-Yan e+e- pairs from p(p)over-bar collisions at root s=1.8 TeV (2001)

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...

We report on a measurement of the mass dependence of the forward-backward charge asymmetry, A(FB), and production cross section d sigma /dM for e(+)e(-) pairs with mass M-ee gt 40 GeV/c(2). The data...

Measurement of the inclusive jet cross section in p(p)over-bar collisions at root s=1.8 TeV (2001)

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...

We present results from the measurement of the inclusive jet cross section for jet transverse energies front 40 to 465 GeV in the pseudorapidity range 0.1 lt \[eta]\ lt 0.7. The results are based on...

Measurement of the top quark pT distribution (2001)

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...

We have measured the p(T) distribution of top quarks that are pair produced in p (p) over bar collisions at roots = 1.8 TeV using a sample of t (t) over bar decays in which we observe a single...

Measurement of the t(t)over-bar production cross section in p(p)over-bar collisions at root s=1.8 TeV (2001)

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...

We update the measurement of the t (t) over bar production cross section using the CDF detector at the Fermilab Tevatron. This measurement uses t (t) over bar decays to the final states e + nu + jets...

Measurement of the two-jet differential cross section in p(p)over-bar collisions at root s=1800 GeV (2001)

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...

A measurement is presented of the two-jet differential cross section d(3)sigma /dE(T)d eta (1)d eta (2) at center of mass energy roots = 1800 GeV in p (p) over bar collisions. The results are based...

Observation of diffractive J/psi production at the Fermilab Tevatron (2001)

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...

We report the first observation of diffractive J/psi(→ mu (+)mu (-)) production in [(p)power bar] collisions at roots = 1.8 TeV. Diffractive events are identified by their rapidity gap signature....

Search for narrow diphoton resonances and for gamma gamma+W/Z signatures in p(p)over-bar collisions at root s=1.8 TeV (2001)

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...

We present results of searches for diphoton resonances produced both inclusively and also in association with a vector boson (W or Z) using 100 pb(-1) of p (p) over bar collisions using the CDF...

Search for neutral supersymmetric Higgs bosons in p(p)over-bar collisions at root s=1.8 TeV (2001)

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...

We present the results of a starch for neutral Higgs bosons produced in association with b quarks in p (p) over bar → b (b) over barb (b) over bar final states with 91 +/- 7 pb(-1) of p (p) over...

Search for quark-lepton compositeness and a heavy W ' boson using the e nu channel in p(p)over-bar collisions at root s=1.8 TeV (2001)

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...

We present searches for quark-lepton compositeness and a heavy W' boson at high electron-neutrino transverse mass. We use similar to 110 pb(-1) of data collected in pp collisions at roots = 1.8 TeV...

Search for the supersymmetric partner of the top quark in p(p)over-bar collisions at root s=1.8 TeV (2001)

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...

We report on a search for the supersymmetric partner of the top quark (top squark) produced in t (t) over bar events using 110 ph(-1) of p (p) over bar collisions at roots = 1.8 TeV recorded with the...

Tests of enhanced leading order QCD in W boson plus jets events from 1.8 TeV (p)over-barp collisions (2001)

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...

We present a study of events with W bosons and hadronic jets produced in (p) over barp collisions at a center of mass energy of 1.8 TeV. The data consist of 51400 W→e nu decay candidates from 108...

Search for new particles decaying to tt in pp collisions at square root s=1.8 TeV (2000)

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...

We use 106 pb/sup -1/ of data collected with the Collider Detector at Fermilab to search for narrow-width, vector particles decaying to a top and an antitop quark. Model independent upper limits on...

Photoemission Studies on Bi2Sr2CaCuZnO - Electronic Structure Evolution and Temperature Dependence (1999)

White, P. J., Shen, Z. X., Feng, D. L., Kim, C., Hasan, M. Z., Harris, J. M., ...

An angle resolved photoelectron spectroscopy study was conducted on BiSrCaCuZnO. A small amount of Zn substitution for Cu almost completely suppresses the otherwise sharp spectral peak along the...

Strain Rate Induced Amorphization in Metallic Nanowires (1999)

H. Ikeda, Y. Qi, T. Cagin, K. Samwer, W. L. Johnson, W. A. Goddard, ...

Using molecular dynamics simulations with a many-body force field, we studied the deformation of metal alloy nanowires subjected to various strain rates. For all strain rates, the Ni nanowire is...

Measurement of an Anisotropic Energy Gap in Single Plane Bi_2Sr_(2-x)La_xCuO_(6+d) (1997)

Harris, Jeffrey M., White, P. J., Ikeda, H., Yoshizaki, R., Eisaki, H., ...

We report angle-resolved photoemission spectra both above and below T_c in the single-plane cuprate superconductor Bi_2Sr_{2-x}La_xCuO_{6+d}. The superconducting state measurements show a highly...

Spin dynamics in low-dimensional diluted magnets (1994)

Ikeda, H, Eccleston, R S

Report of Japan-UK collaboration on Neutron Scattering, Eds H Ikeda, U Steigenberger (1994)

Branching ratio measurements of exclusive B+ decays to charmonium with the Collider Detector at Fermilab

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Ambrose, D., Amidei, D., ...

We report on measurements of the branching ratios of the decays B+→chi(c1)(0)(1P)K+ and B+→J/psiK(+)pi(+)pi(-), where chi(c1)(0)(1P)→J/psigamma and J/psi→mu(+)mu(-) in p (p) over bar...

Comparison of the isolated direct photon cross sections in p(p)over-bar collisions at root s=1.8 TeV and root s=0.63 TeV.

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Ambrose, D., Amidei, D., ...

We have measured the cross sections d(2)sigma/dP(T)deta for production of isolated direct photons in p (p) over bar collisions at two different center-of-mass energies, 1.8 TeV and 0.63 TeV, using...

Cross section for forward J/psi production in p(p)over-bar collisions at root s=1.8 TeV

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Ambrose, D., Amidei, D., ...

The inclusive cross section for J/psi production times the branching ratio B(J/psi→mu(+)mu(-)) has been measured in the forward pseudorapidity region: Bxdsigma[(p) over bar +p→J/psi(p(T) gt 10...

Diffractive dijet production at root s=630 and 1800 GeV at the Fermilab tevatron

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Amaral, P., Ambrose, D., ...

We report a measurement of the diffractive structure function F-jj(D) of the antiproton obtained from a study of dijet events produced in association with a leading antiproton in (p) over barp...

Limits on extra dimensions and new particle production in the exclusive photon and missing energy signature in p(p)over-bar collisions at root s=1.8 TeV

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Ambrose, D., Amidei, D., ...

The exclusive gammais not an element of(T) signal has a small standard model cross section and is thus a channel sensitive to new physics. This signature is predicted by models with a superlight...

Measurement of B-meson lifetimes using fully reconstructed B decays produced in p(p)over-bar collisions at root s=1.8 TeV

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Ambrose, D., Amidei, D., ...

We present an improved measurement of b-meson lifetimes using fully reconstructed B-decays produced in p(p) over bar collisions at roots = 1.8 TeV, using 114 pb(-1) of data collected at the Collider...

Measurement of the B+ total cross section and B+ differential cross section d sigma/dpT in p(p)over-bar collisions at root s=1.8 TeV

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Amaral, P., Ambrose, D., ...

We present measurements of the B+ meson total cross section and differential cross section dsigma/dp(T). The measurements use a 98+/-4 pb(-1) sample of p (p) over bar collisions at roots = 1.8 TeV...

Measurement of the ratio of b quark production cross sections in (p)over-bar-p collisions at root s=630 GeV and root s=1800 GeV

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Ambrose, D., Amidei, D., ...

We report a measurement of the ratio of the bottom quark production cross section in antiproton-proton collisions at roots=630 GeV to 1800 GeV using bottom quarks with transverse momenta greater than...

Momentum distribution of charged particles in jets in dijet events in p(p)over-bar collisions at root s=1.8 TeV and comparisons to perturbative QCD predictions

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Ambrose, D., Amidei, D., ...

Inclusive momentum distributions of charged particles in restricted cones around jet axes were measured in dijet events with invariant dijet masses in the range 80 to 600 GeV/c(2). Events were...

Search for a W' boson decaying to a top and bottom quark pair in 1.8 TeV p(p)over-bar collisions

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Ambrose, D., Amidei, D., ...

We report the results of a search for a W-' boson produced in p (p) over bar collisions at a center-of-mass energy of 1.8 TeV using a 106 pb(-1) data sample recorded by the Collider Detector at...

Search for associated production of Upsilon and vector boson in p(p)over-bar collisions at root(s)over-bar=1.8 TeV

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Ambrose, D., Amidei, D., ...

We present a search for associated production of the Y(1S) and a vector boson in 83 pb(-1) of p (p) over bar collisions at roots=1.8 TeV collected by the CDF experiment in 1994-1995. We find no...

Search for long-lived charged massive particles in p(p)over-bar collision at root s=1.8 TeV

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Ambrose, D., Amidei, D., ...

We report a search for the production of long-lived charged massive particles in a data sample of 90 pb(-1) of roots = 1.8 TeV p (p) over bar collisions recorded by the Collider Detector at Fermilab....

Search for new physics in photon-lepton events in p(p)over-bar collisions at root s=1.8 TeV

Acosta, D., Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., ...

We present the results of a search in p (p) over bar collisions at roots=1.8 TeV for anomalous production of events containing a photon with large transverse energy and a lepton (e or mu) with large...

Search for radiative b-hadron decays in p(p)over-bar collisions at root s=1.8 TeV

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Ambrose, D., Amidei, D., ...

We have performed a search for radiative b-hadron decays using events produced in p (p) over bar collisions at roots=1.8 TeV and collected by the Collider Detector at Fermilab. The decays we...

Search for single-top-quark production in p(p)over-bar collisions at root s=1.8 TeV

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Amaral, P., Ambrose, D., ...

We search for standard model single-top-quark production in the W-gluon fusion and W-star channels using 106 pb(-1) of data from p(p) over bar collisions at roots = 1.8 TeV collected with the...

Search for the decay B-s →mu(+)mu(-)phi in p(p)over-bar collisions at root s=1.8 TeV

Acosta, D., Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., ...

We present a search for the flavor-changing neutral current decay B-s→mu(+)mu(-)phi in p (p) over bar collisions at roots=1.8 TeV, using 91 pb(-1) of data collected at the Collider Detector at...

Search for the supersymmetric partner of the top quark in dilepton events from p(p)over-bar collisions at root s=1.8 TeV

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Ambrose, D., Amidei, D., ...

We have searched for pair production of the supersymmetric partner of the top quark (stop) in 107 pb(-1) of p (p) over bar collisions at roots=1.8 TeV collected by the Collider Detector at Fermilab...

Soft and hard interactions in p(p)over-bar collisions at root s=1800 and 630 GeV

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Amaral, P., Ambrose, D., ...

We present a study of p (p) over bar collisions at roots=1800 and 630 GeV collected using a minimum bias trigger by the CDF experiment in which the data set is divided into two classes corresponding...

Study of the heavy flavor content of jets produced in association with W bosons in p(p)over-bar collisions at root s=1.8 TeV

Acosta, D., Affolder, T., Akimoto, H., Akopian, A., Amaral, P., Ambrose, D., ...

We present a detailed examination of the heavy flavor content of the W+jet data sample collected with the Collider Detector at Fermilab during the 1992-1995 collider run at the Fermilab Tevatron....

Upsilon production and polarization in p(p)over-bar collisions at root s=1.8 TeV

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Amaral, P., Ambrose, D., ...

We report on measurements of the Y(1S), Y(2S), and Y(3S) differential cross sections (d(2)sigma/dp(T)dy)(\y\ lt 0.4) , as well as on the Ε(1S) polarization in p[(p)over bar] collisions at roots =...

Charged-particle multiplicity p(p)over-bar collisions at root s=1.8 TeV

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...

We report on a measurement of the mean charged-particle multiplicity of jets in dijet events with dijet masses in the range 80-630 GeV/c(2), produced at the Tevatron in p(p) over bar collisions with...

Charged jet evolution and the underlying event in proton- antiproton collisions at 1.8 TeV

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...

The growth and development of "charged particle jets" produced in proton-antiproton collisions at 1.8 TeV are studied over a transverse momentum range from 0.5 GeV/c to 50 GeV/c. A variety of leading...

Cross section and heavy quark composition of gamma+mu events produced in p(p)over-bar collisions

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...

We present a measurement of the cross section and the first measurement of the heavy flavor content of associated direct photon + muon events produced in hadronic collisions. These measurements come...

Double diffraction dissociation at the Fermilab Tevatron collider

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...

We present results from a measurement of double diffraction dissociation in pp collisions at the Fermilab Tevatron collider. The production cross section for events with a central pseudorapidity gap...

First measurement of the ratio B(t → Wb)/B(t → Wq) and associated limit on the Cabibbo-Kobayashi-Maskawa element vertical bar V-tb vertical bar

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...

We present the first measurement of the ratio of branching fractions R equivalent to B(t → Wb)/B(t → Wq) from pa collisions at roots = 1.8 TeV. The data set corresponds to 109 pb(-1) of data...

Measurement of d sigma/dM and forward-backward charge asymmetry for high-mass Drell-Yan e+e- pairs from p(p)over-bar collisions at root s=1.8 TeV

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...

We report on a measurement of the mass dependence of the forward-backward charge asymmetry, A(FB), and production cross section d sigma /dM for e(+)e(-) pairs with mass M-ee gt 40 GeV/c(2). The data...

Measurement of the inclusive jet cross section in p(p)over-bar collisions at root s=1.8 TeV

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...

We present results from the measurement of the inclusive jet cross section for jet transverse energies front 40 to 465 GeV in the pseudorapidity range 0.1 lt \[eta]\ lt 0.7. The results are based on...

Measurement of the strong coupling constant from inclusive jet production at the Tevatron (p)over-barp collider

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...

We report a measurement of the strong coupling constant, alpha(s)(M-Z), extracted from inclusive jet production in p (p) over bar collisions at root(s) = 1800 GeV. The QCD prediction for the...

Measurement of the top quark pT distribution

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...

We have measured the p(T) distribution of top quarks that are pair produced in p (p) over bar collisions at roots = 1.8 TeV using a sample of t (t) over bar decays in which we observe a single...

Measurement of the t(t)over-bar production cross section in p(p)over-bar collisions at root s=1.8 TeV

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...

We update the measurement of the t (t) over bar production cross section using the CDF detector at the Fermilab Tevatron. This measurement uses t (t) over bar decays to the final states e + nu + jets...

Measurement of the two-jet differential cross section in p(p)over-bar collisions at root s=1800 GeV

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...

A measurement is presented of the two-jet differential cross section d(3)sigma /dE(T)d eta (1)d eta (2) at center of mass energy roots = 1800 GeV in p (p) over bar collisions. The results are based...

Observation of diffractive J/psi production at the Fermilab Tevatron

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...

We report the first observation of diffractive J/psi(→ mu (+)mu (-)) production in [(p)power bar] collisions at roots = 1.8 TeV. Diffractive events are identified by their rapidity gap signature....

Search for gluinos and scalar quarks in p(p)over-bar collisions at root s=1.8 TeV using the missing energy plus multijets signature

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...

We have performed a search for gluinos ((g) over tilde) and scalar quarks ((q) over tilde) in a data sample of 84 pb(-1) of p (p) over bar collisions at roots = 1.8 TeV, recorded by the Collider...

Search for narrow diphoton resonances and for gamma gamma+W/Z signatures in p(p)over-bar collisions at root s=1.8 TeV

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...

We present results of searches for diphoton resonances produced both inclusively and also in association with a vector boson (W or Z) using 100 pb(-1) of p (p) over bar collisions using the CDF...

Search for neutral supersymmetric Higgs bosons in p(p)over-bar collisions at root s=1.8 TeV

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...

We present the results of a starch for neutral Higgs bosons produced in association with b quarks in p (p) over bar → b (b) over barb (b) over bar final states with 91 +/- 7 pb(-1) of p (p) over...

Search for new heavy particles in the WZ0 final state in ppover-bar collisions at root s=1.8 TeV

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...

We present the first general search for new heavy particles, X, which decay via X → WZ(0) → enu + jj as a function of M-X and Gamma(X) in p(p) over bar collisions at roots = 1.8 TeV. No evidence...

Search for new particles decaying to tt in pp collisions at square root s=1.8 TeV

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...

We use 106 pb/sup -1/ of data collected with the Collider Detector at Fermilab to search for narrow-width, vector particles decaying to a top and an antitop quark. Model independent upper limits on...

Search for quark-lepton compositeness and a heavy W ' boson using the e nu channel in p(p)over-bar collisions at root s=1.8 TeV

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...

We present searches for quark-lepton compositeness and a heavy W' boson at high electron-neutrino transverse mass. We use similar to 110 pb(-1) of data collected in pp collisions at roots = 1.8 TeV...

Search for the supersymmetric partner of the top quark in p(p)over-bar collisions at root s=1.8 TeV

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...

We report on a search for the supersymmetric partner of the top quark (top squark) produced in t (t) over bar events using 110 ph(-1) of p (p) over bar collisions at roots = 1.8 TeV recorded with the...

Searches for new physics in events with a photon and b-quark jet at CDF

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...

We have searched for evidence of physics beyond the standard model in events that include an energetic photon and an energetic b-quark jet, produced in 85 pb(-1) of (p) over barp collisions at 1.8...

Study of B-0 → J/psi K-(*)0 pi(+)pi(-) decays with the Collider detector at Fermilab

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...

We report a study of the decays B-0 → J/psiK((*)0) pi(+) pi(- ), which involve the creation of a u(u) over bar or d(d) over bar quark pair in addition to a (b) over bar → (c) over bar(c(s) over...

Tests of enhanced leading order QCD in W boson plus jets events from 1.8 TeV (p)over-barp collisions

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...

We present a study of events with W bosons and hadronic jets produced in (p) over barp collisions at a center of mass energy of 1.8 TeV. The data consist of 51400 W→e nu decay candidates from 108...

Inclusive double Pomeron exchange at the Fermilab tevatron p bar-p collider

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Ambrose, D., Amidei, D., ...

We report results from a study of events with a double Pomeron exchange topology produced in pbar-p collisions at roots=1800 GeV. The events are characterized by a leading antiproton and a large...

Search for pair production of scalar top quarks in R-parity violating decay modes in p(p)over-bar collisions at root s=1.8 TeV

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Ambrose, D., Amidei, D., ...

We present the results of a search for pair production of scalar top quarks ((t) over tilde (1)) in an R-parity violating supersymmetry scenario in 106 pb(-1) of p (p) over bar collisions at...

Search for Kaluza-Klein graviton emission in p(p)over-bar collisions at root s=1.8 TeV using the missing energy signature

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Ambrose, D., Amidei, D., ...

We report on a search for direct Kaluza-Klein graviton production in a data sample of 84 pb(-1) of p (p) over bar collisions at roots=1.8 TeV, recorded by the Collider Detector at Fermilab. We...

Hdf1, a yeast Ku-protein homologue, is involved in illegitimate recombination, but not in homologous recombination.

Tsukamoto, Y, Kato, J, Ikeda, H

Hdf1 is the yeast homologue of the mammalian 70 kDa subunit of Ku-protein, which has DNA end-binding activity and is involved in DNA double-strand break repair and V(D)J recombination. To examine...

The effect of two antipodal fluorine-induced sugar puckers on the conformation and stability of the Dickerson-Drew dodecamer duplex [d(CGCGAATTCGCG)]2.

Ikeda, H, Fernandez, R, Wilk, A, Barchi, J J, Huang, X, Marquez, V E

UV thermal melting studies, CD and NMR spectroscopies were employed to assess the contribution of antipodal sugar conformations on the stability of the canonical B-DNA conformation of the...

Crystal structures of B-DNA with incorporated 2'-deoxy-2'-fluoro-arabino-furanosyl thymines: implications of conformational preorganization for duplex stability.

Berger, I, Tereshko, V, Ikeda, H, Marquez, V E, Egli, M

The fundamental conformational states of right-handed double helical DNA, the A- and B-forms, are associated with distinct puckers of the sugar moieties. The furanose conformation itself is affected...

Quinolone-resistant mutants of escherichia coli DNA topoisomerase IV parC gene.

Kumagai, Y, Kato, J I, Hoshino, K, Akasaka, T, Sato, K, Ikeda, H

Escherichia coli quinolone-resistant strains with mutations of the parC gene, which codes for a subunit of topoisomerase IV, were isolated from a quinolone-resistant gyrA mutant of DNA gyrase....

Involvement of glucose catabolism in avermectin production by Streptomyces avermitilis.

Ikeda, H, Kotaki, H, Tanaka, H, Omura, S

The addition of glucose in the early stage of fermentation suppressed not only avermectin production but also the activity of 6-phosphogluconate dehydrogenase in the pentose phosphate pathway. On the...

Role of the recJ gene product in UV-induced illegitimate recombination at the hotspot.

Ukita, T, Ikeda, H

Illegitimate recombination between a prophage and adjacent bacterial DNA is the first step in the formation of specialized transducing phage. Such recombination is rare, but it is greatly enhanced by...

Fis is required for illegitimate recombination during formation of lambda bio transducing phage.

Shanado, Y, Kato, J, Ikeda, H

Specialized transducing particles of phage lambda are formed by illegitimate recombination during prophage induction. We examined the effects of an Esherichia coli int, xis, himA, himD, or fis...

Production of new hybrid antibiotics, mederrhodins A and B, by a genetically engineered strain.

Omura, S, Ikeda, H, Malpartida, F, Kieser, H M, Hopwood, D A

Hybrid antibiotics mederrhodins A and B were produced by a recombinant strain consisting of the medermycin-producing Streptomyces sp. strain AM7161 containing part of the gene clusters for...

Comparison of inhibition of Escherichia coli topoisomerase IV by quinolones with DNA gyrase inhibition.

Hoshino, K, Kitamura, A, Morrissey, I, Sato, K, Kato, J, Ikeda, H

In order to examine the inhibitory activities of quinolones against topoisomerase IV, both subunits of this enzyme, ParC and ParE, were purified from Escherichia coli. The specific activity of...

Transposon mutagenesis by Tn4560 and applications with avermectin-producing Streptomyces avermitilis.

Ikeda, H, Takada, Y, Pang, C H, Tanaka, H, Omura, S

The Tn3-like Streptomyces transposon Tn4560 was used to mutagenize Streptomyces avermitilis, the producer of anthelmintic avermectins and the cell growth inhibitor oligomycin. Tn4560 transposed in...

Genetic studies of avermectin biosynthesis in Streptomyces avermitilis.

Ikeda, H, Kotaki, H, Omura, S

A genetic recombination study of an industrial strain of Streptomyces avermitilis which produces avermectin is described. A genetic map has been constructed by analysis of haploid recombinants and...

Transgenic Fv-4 mice resistant to Friend virus.

Limjoco, T I, Dickie, P, Ikeda, H, Silver, J

Fv-4 is a mouse gene that confers resistance to infection with ecotropic retroviruses. A candidate Fv-4 gene was cloned previously and found to resemble the 3' half of a murine leukemia virus (MuLV)....

Acquisition of two endogenous ecotropic murine leukemia viruses in distinct Asian wild mouse populations.

Inaguma, Y, Miyashita, N, Moriwaki, K, Huai, W C, Jin, M L, He, X Q, ...

Wild mouse DNAs were analyzed for two types of endogenous ecotropic murine leukemia viruses (MuLVs), Akv and Fv-4r-associated MuLV. Endogenous Akv viruses were found only in northern Chinese mice,...

Fv-4 resistance gene: a truncated endogenous murine leukemia virus with ecotropic interference properties.

Ikeda, H, Sugimura, H

Fv-4 is a mouse gene which controls susceptibility to infection by ecotropic murine leukemia virus (MuLV). We previously cloned part of an endogenous MuLV associated with the resistance allele of the...

Characterization of a molecularly cloned retroviral sequence associated with Fv-4 resistance.

Ikeda, H, Laigret, F, Martin, M A, Repaske, R

The murine leukemia virus (MuLV) sequence associated with the resistance allele of the Fv-4 gene (Fv-4r) was molecularly cloned from genomic DNA of uninfected mice carrying this allele. The...

Role of R loops in recA-independent homologous recombination of bacteriophage lambda.

Matsumoto, T, Ikeda, H

We have previously shown that the DNA-dependent RNA polymerase of Escherichia coli can promote homologous recombination of bacteriophage lambda independently of the recA function. To detect this...

Illegitimate recombination mediated by calf thymus DNA topoisomerase II in vitro.

Bae, Y S, Kawasaki, I, Ikeda, H, Liu, L F

We have found that purified calf thymus DNA topoisomerase II mediates recombination between two phage lambda DNA molecules in an in vitro system. The enzyme mainly produced a linear monomer...

Chromosomal location and structure of the operon encoding peptide-chain-release factor 2 of Escherichia coli.

Kawakami, K, Jönsson, Y H, Björk, G R, Ikeda, H, Nakamura, Y

The prfB gene encodes peptide-chain-release factor 2 of Escherichia coli, which catalyzes translation termination at UGA and UAA codons. The gene, identified by sequencing, is located at the 62-min...

Identification of mutations in the coding sequence of the proto-oncogene c-kit in a human mast cell leukemia cell line causing ligand-independent activation of c-kit product.

Furitsu, T, Tsujimura, T, Tono, T, Ikeda, H, Kitayama, H, Koshimizu, U, ...

The c-kit proto-oncogene encodes a receptor tyrosine kinase. Binding of c-kit ligand, stem cell factor (SCF) to c-kit receptor (c-kitR) is known to activate c-kitR tyrosine kinase, thereby leading to...

Clonal expansion of CD8+ cytotoxic T lymphocytes against human T cell lymphotropic virus type I (HTLV-I) genome products in HTLV-I-associated myelopathy/tropical spastic paraparesis patients.

Furukawa, K, Mori, M, Ohta, N, Ikeda, H, Shida, H, Furukawa, K, ...

Short-term culture of peripheral blood mononuclear cells (PBMC) derived from patients with human T cell lymphotropic virus type I-associated myelopathy (HAM)/tropical spastic paraparesis resulted in...

Calf thymus histone H1 is a recombinase that catalyzes ATP-independent DNA strand transfer.

Kawasaki, I, Sugano, S, Ikeda, H

An activity that catalyzes the strand transfer from linear double-stranded tetracycline-resistance gene (tetr) DNA to circular M13mp8-tetr viral DNA was detected in a crude extract from calf thymus....

Characterization of cDNA encoding mouse homolog of fission yeast dhp1+ gene: structural and functional conservation.

Shobuike, T, Sugano, S, Yamashita, T, Ikeda, H

The dhp1+ gene of Schizosaccharomyces pombe is a homolog of Saccharomyces cerevisiae HKE1/RAT1/TAP1 gene that is involved in RNA metabolism such as RNA trafficking and RNA synthesis. dhp1+ is also...

Bacteriophage T4 DNA topoisomerase mediates illegitimate recombination in vitro.

Ikeda, H

We have found that purified T4 DNA topoisomerase promotes recombination between two phage lambda DNA molecules in an in vitro system. In this cross, T4 DNA topoisomerase alone is able to catalyze the...

Mutant isolation of mouse DNA topoisomerase II alpha in yeast.

Adachi, N, Ikeda, H, Kikuchi, A

For characterizing in vivo functions of a mammalian protein, it is informative to obtain conditional mutations and apply them to the mouse genetic system. However, the isolation of conditional...

Characterization of cDNA encoding the mouse DNA topoisomerase II that can complement the budding yeast top2 mutation.

Adachi, N, Miyaike, M, Ikeda, H, Kikuchi, A

Several cDNA clones encoding mouse DNA topoisomerase II were obtained from a mouse spermatocyte cDNA library and the entire coding sequence of the gene was determined. The mouse DNA topoisomerase II...

A unique sequence related to the ecotropic murine leukemia virus is associated with the Fv-4 resistance gene.

Kozak, C A, Gromet, N J, Ikeda, H, Buckler, C E

Several strains of laboratory and wild-derived mice from Japan carry the dominant allele at the Fv-4 locus (Fv-4r) that is responsible for resistance to infection by exogenous ecotropic murine...

Illegitimate recombination mediated in vitro by DNA gyrase of Escherichia coli: structure of recombinant DNA molecules.

Ikeda, H, Aoki, K, Naito, A

We have developed a cell-free system from Escherichia coli for studying illegitimate recombination between nonhomologous DNA molecules. The recombination is stimulated by oxolinic acid, an inhibitor...

Serological survey of normal humans for natural antibody to cell surface antigens of melanoma.

Houghton, A N, Taormina, M C, Ikeda, H, Watanabe, T, Oettgen, H F, Old, L J

Sera of 106 normal adult men were tested for antibodies reacting with cell surface antigens of three established lines of cultured malignant melanoma. Positive reactions with a protein A assay for...

Cell surface antigens of human malignant melanoma: definition of six antigenic systems with mouse monoclonal antibodies.

Dippold, W G, Lloyd, K O, Li, L T, Ikeda, H, Oettgen, H F, Old, L J

Eighteen mouse monoclonal antibodies were selected for reactivity with cell surface antigens of the immunizing human melanoma cell line SK-MEL-28. Six distinct antigenic systems were defined by...

Chromatographic separation and antigenic analysis of proteins of the oncornaviruses. V. Identification of a new murine viral protein, p15(E).

Ikeda, H, Hardy, W, Tress, E, Fleissner, E

Profiling of murine leukemia virus (MuLV) proteins by polyacrylamide gel electrophoresis in the presence of sodium dodecyl sulfate (SDS-PAGE) has revealed a low-molecular-weight protein which does...

Mouse strain resistant to N-, B-, and NB-tropic murine leukemia viruses.

Kai, K, Ikeda, H, Yuasa, Y, Suzuki, S, Odaka, T

Mouse strain G was studied for its susceptibility to various strains of murine leukemia and sarcoma viruses. Both N- and NB-tropic Friend leukemia viruses neither induced splenomegaly nor grew...

Biological Expression of Antigenic Determinants of Murine Leukemia Virus Proteins gp69/71 and p30

Ikeda, H., Pincus, T., Yoshiki, T., Strand, M., August, J. T., Boyse, E. A., ...

Antisera to purified structural proteins of Rauscher murine leukemia virus, the major envelope glycoprotein, gp69/71, and the major internal protein, p30, were studied by immunofluorescence of viable...

Homologous recombination of monkey alpha-satellite repeats in an in vitro simian virus 40 replication system: possible association of recombination with DNA replication.

Kawasaki, I, Bae, Y S, Eki, T, Kim, Y, Ikeda, H

To study homologous recombination between repeated sequences in an in vitro simian virus 40 (SV40) replication system, we constructed a series of substrate DNAs that contain two identical fragments...

Iodinating activity of thyroid tissue in toxic diffuse goiter.

Nagataki, S, Uchimura, H, Ikeda, H, Kuzuya, N, Masuyama, Y

Thyroid tissue obtained from 12 patients with Graves' disease and treated with thionamide drugs for 3-7 mo before subtotal thyroidectomy, from 12 patients with Graves' disease, similarly treated, and...

Transcription promotes recA-independent recombination mediated by DNA-dependent RNA polymerase in Escherichia coli.

Ikeda, H, Matsumoto, T

The Rpo-mediated recombination of phage lambda takes place independently of the recA function and is promoted by DNA-dependent RNA polymerase of Escherichia coli [Ikeda, H. & Kobayashi, I. (1977)...

Changes in expression of murine leukemia virus antigens and production of xenotropic virus in the late preleukemic period in AKR mice.

Kawashima, K, Ikeda, H, Hartley, J W, Stockert, E, Rowe, W P, Old, L J

We recently reported that thymocytes from 6-month-old preleukemic AKR mice express higher levels of murine leukemia virus (MuLV)-related antigens that thymocytes from 2-month-old mice. We have now...

Involvement of DNA-dependent RNA polymerase in a recA-independent pathway of genetic recombination in Escheria coli.

Ikeda, H, Kobayashi, I

Recombinant DNA molecule of phage lambda formed in Escherichia coli in the presence of chloramphenicol and/or rifampin can be assayed by their biological activity. recA- cells were found to be...

Kinetic diversity in the fusion of exocytotic vesicles.

Ninomiya, Y, Kishimoto, T, Yamazawa, T, Ikeda, H, Miyashita, Y, Kasai, H

The speed at which secretory vesicles fuse with the plasma membrane is a key parameter for neuronal and endocrine functions. We determined the precise time courses for fusion of small clear and large...

Mapping of a familial moyamoya disease gene to chromosome 3p24.2-p26.

Ikeda, H, Sasaki, T, Yoshimoto, T, Fukui, M, Arinami, T

Moyamoya disease is characterized by bilateral stenosis and/or occlusion of the terminal portion of the internal carotid artery. Moyamoya disease is prevalent among patients

Nasal field loss in cats reared with convergent squint: behavioural studies.

Ikeda, H, Jacobson, S G

1. The extent of the monocular visual field in cats reared with convergent squint in one eye was determined by a behavioural perimetry technique. 2. Significant reduction in the extent of the visual...

Effects of Uvsx, Uvsy and DNA Topoisomerase on the Formation of Tandem Duplications of the Rii Gene in Bacteriophage T4

Kumagai, M., Yamashita, T., Honda, M., Ikeda, H.

We have characterized tandem duplications in the rII regions of phage T4. The rII deletion r1589 blocks only the function of the rIIA cistron, although it extends into the B cistron. Another rII...

Molecular Analysis of λbio Transducing Phage Produced by Oxolinic Acid-Induced Illegitimate Recombination in Vivo

Shimizu, H., Yamaguchi, H., Ikeda, H.

To study the mechanism of DNA gyrase-mediated illegitimate recombination in Escherichia coli, we examined the formation of λ Spi(-) phage during prophage induction. The frequency of Spi(-) phage was...

Effects of Mutations of Rad50, Rad51, Rad52, and Related Genes on Illegitimate Recombination in Saccharomyces Cerevisiae

Tsukamoto, Y., Kato, J. I., Ikeda, H.

To examine the mechanism of illegitimate recombination in Saccharomyces cerevisiae, we have developed a plasmid system for quantitative analysis of deletion formation. A can1 cyh2 cell carrying two...

Isolation of a Schizosaccharomyces pombe rad21ts mutant that is aberrant in chromosome segregation, microtubule function, DNA repair and sensitive to hydroxyurea: possible involvement of Rad21 in ubiquitin-mediated proteolysis.

Tatebayashi, K, Kato, J, Ikeda, H

The fission yeast DNA repair gene rad21+ is essential for cell growth. To investigate the function essential for cell proliferation, we have isolated a temperature-sensitive mutant of the rad21+...

Escherichia coli mutM suppresses illegitimate recombination induced by oxidative stress.

Onda, M, Hanada, K, Kawachi, H, Ikeda, H

DNA damage by oxidative stress is one of the causes of mutagenesis. However, whether or not DNA damage induces illegitimate recombination has not been determined. To study the effect of oxidative...

Fission yeast Mog1p homologue, which interacts with the small GTPase Ran, is required for mitosis-to-interphase transition and poly(A)(+) RNA metabolism.

Tatebayashi, K, Tani, T, Ikeda, H

We have cloned and characterized the Schizosaccharomyces pombe gene mog1(+), which encodes a protein with homology to the Saccharomyces cerevisiae Mog1p participating in the Ran-GTPase system. The S....

Role of DNA ligase in the illegitimate recombination that generates lambdabio-transducing phages in Escherichia coli.

Onda, M, Yamaguchi, J, Hanada, K, Asami, Y, Ikeda, H

We studied the role of DNA ligase in illegitimate recombination in Escherichia coli. A temperature-sensitive mutation in the lig gene reduced the frequency with which lambdabio-transducing phages...

Hdf1, a yeast Ku-protein homologue, is involved in illegitimate recombination, but not in homologous recombination.

Tsukamoto, Y, Kato, J, Ikeda, H

Hdf1 is the yeast homologue of the mammalian 70 kDa subunit of Ku-protein, which has DNA end-binding activity and is involved in DNA double-strand break repair and V(D)J recombination. To examine...

The effect of two antipodal fluorine-induced sugar puckers on the conformation and stability of the Dickerson-Drew dodecamer duplex [d(CGCGAATTCGCG)]2.

Ikeda, H, Fernandez, R, Wilk, A, Barchi, J J, Huang, X, Marquez, V E

UV thermal melting studies, CD and NMR spectroscopies were employed to assess the contribution of antipodal sugar conformations on the stability of the canonical B-DNA conformation of the...

Crystal structures of B-DNA with incorporated 2'-deoxy-2'-fluoro-arabino-furanosyl thymines: implications of conformational preorganization for duplex stability.

Berger, I, Tereshko, V, Ikeda, H, Marquez, V E, Egli, M

The fundamental conformational states of right-handed double helical DNA, the A- and B-forms, are associated with distinct puckers of the sugar moieties. The furanose conformation itself is affected...

Quinolone-resistant mutants of escherichia coli DNA topoisomerase IV parC gene.

Kumagai, Y, Kato, J I, Hoshino, K, Akasaka, T, Sato, K, Ikeda, H

Escherichia coli quinolone-resistant strains with mutations of the parC gene, which codes for a subunit of topoisomerase IV, were isolated from a quinolone-resistant gyrA mutant of DNA gyrase....

Involvement of glucose catabolism in avermectin production by Streptomyces avermitilis.

Ikeda, H, Kotaki, H, Tanaka, H, Omura, S

The addition of glucose in the early stage of fermentation suppressed not only avermectin production but also the activity of 6-phosphogluconate dehydrogenase in the pentose phosphate pathway. On the...

Role of the recJ gene product in UV-induced illegitimate recombination at the hotspot.

Ukita, T, Ikeda, H

Illegitimate recombination between a prophage and adjacent bacterial DNA is the first step in the formation of specialized transducing phage. Such recombination is rare, but it is greatly enhanced by...

Fis is required for illegitimate recombination during formation of lambda bio transducing phage.

Shanado, Y, Kato, J, Ikeda, H

Specialized transducing particles of phage lambda are formed by illegitimate recombination during prophage induction. We examined the effects of an Esherichia coli int, xis, himA, himD, or fis...

Production of new hybrid antibiotics, mederrhodins A and B, by a genetically engineered strain.

Omura, S, Ikeda, H, Malpartida, F, Kieser, H M, Hopwood, D A

Hybrid antibiotics mederrhodins A and B were produced by a recombinant strain consisting of the medermycin-producing Streptomyces sp. strain AM7161 containing part of the gene clusters for...

Comparison of inhibition of Escherichia coli topoisomerase IV by quinolones with DNA gyrase inhibition.

Hoshino, K, Kitamura, A, Morrissey, I, Sato, K, Kato, J, Ikeda, H

In order to examine the inhibitory activities of quinolones against topoisomerase IV, both subunits of this enzyme, ParC and ParE, were purified from Escherichia coli. The specific activity of...

Transposon mutagenesis by Tn4560 and applications with avermectin-producing Streptomyces avermitilis.

Ikeda, H, Takada, Y, Pang, C H, Tanaka, H, Omura, S

The Tn3-like Streptomyces transposon Tn4560 was used to mutagenize Streptomyces avermitilis, the producer of anthelmintic avermectins and the cell growth inhibitor oligomycin. Tn4560 transposed in...

Genetic studies of avermectin biosynthesis in Streptomyces avermitilis.

Ikeda, H, Kotaki, H, Omura, S

A genetic recombination study of an industrial strain of Streptomyces avermitilis which produces avermectin is described. A genetic map has been constructed by analysis of haploid recombinants and...

Transgenic Fv-4 mice resistant to Friend virus.

Limjoco, T I, Dickie, P, Ikeda, H, Silver, J

Fv-4 is a mouse gene that confers resistance to infection with ecotropic retroviruses. A candidate Fv-4 gene was cloned previously and found to resemble the 3' half of a murine leukemia virus (MuLV)....

Acquisition of two endogenous ecotropic murine leukemia viruses in distinct Asian wild mouse populations.

Inaguma, Y, Miyashita, N, Moriwaki, K, Huai, W C, Jin, M L, He, X Q, ...

Wild mouse DNAs were analyzed for two types of endogenous ecotropic murine leukemia viruses (MuLVs), Akv and Fv-4r-associated MuLV. Endogenous Akv viruses were found only in northern Chinese mice,...

Fv-4 resistance gene: a truncated endogenous murine leukemia virus with ecotropic interference properties.

Ikeda, H, Sugimura, H

Fv-4 is a mouse gene which controls susceptibility to infection by ecotropic murine leukemia virus (MuLV). We previously cloned part of an endogenous MuLV associated with the resistance allele of the...

Characterization of a molecularly cloned retroviral sequence associated with Fv-4 resistance.

Ikeda, H, Laigret, F, Martin, M A, Repaske, R

The murine leukemia virus (MuLV) sequence associated with the resistance allele of the Fv-4 gene (Fv-4r) was molecularly cloned from genomic DNA of uninfected mice carrying this allele. The...

Role of R loops in recA-independent homologous recombination of bacteriophage lambda.

Matsumoto, T, Ikeda, H

We have previously shown that the DNA-dependent RNA polymerase of Escherichia coli can promote homologous recombination of bacteriophage lambda independently of the recA function. To detect this...

Illegitimate recombination mediated by calf thymus DNA topoisomerase II in vitro.

Bae, Y S, Kawasaki, I, Ikeda, H, Liu, L F

We have found that purified calf thymus DNA topoisomerase II mediates recombination between two phage lambda DNA molecules in an in vitro system. The enzyme mainly produced a linear monomer...

Chromosomal location and structure of the operon encoding peptide-chain-release factor 2 of Escherichia coli.

Kawakami, K, Jönsson, Y H, Björk, G R, Ikeda, H, Nakamura, Y

The prfB gene encodes peptide-chain-release factor 2 of Escherichia coli, which catalyzes translation termination at UGA and UAA codons. The gene, identified by sequencing, is located at the 62-min...

Identification of mutations in the coding sequence of the proto-oncogene c-kit in a human mast cell leukemia cell line causing ligand-independent activation of c-kit product.

Furitsu, T, Tsujimura, T, Tono, T, Ikeda, H, Kitayama, H, Koshimizu, U, ...

The c-kit proto-oncogene encodes a receptor tyrosine kinase. Binding of c-kit ligand, stem cell factor (SCF) to c-kit receptor (c-kitR) is known to activate c-kitR tyrosine kinase, thereby leading to...

Clonal expansion of CD8+ cytotoxic T lymphocytes against human T cell lymphotropic virus type I (HTLV-I) genome products in HTLV-I-associated myelopathy/tropical spastic paraparesis patients.

Furukawa, K, Mori, M, Ohta, N, Ikeda, H, Shida, H, Furukawa, K, ...

Short-term culture of peripheral blood mononuclear cells (PBMC) derived from patients with human T cell lymphotropic virus type I-associated myelopathy (HAM)/tropical spastic paraparesis resulted in...

Calf thymus histone H1 is a recombinase that catalyzes ATP-independent DNA strand transfer.

Kawasaki, I, Sugano, S, Ikeda, H

An activity that catalyzes the strand transfer from linear double-stranded tetracycline-resistance gene (tetr) DNA to circular M13mp8-tetr viral DNA was detected in a crude extract from calf thymus....

Characterization of cDNA encoding mouse homolog of fission yeast dhp1+ gene: structural and functional conservation.

Shobuike, T, Sugano, S, Yamashita, T, Ikeda, H

The dhp1+ gene of Schizosaccharomyces pombe is a homolog of Saccharomyces cerevisiae HKE1/RAT1/TAP1 gene that is involved in RNA metabolism such as RNA trafficking and RNA synthesis. dhp1+ is also...

Bacteriophage T4 DNA topoisomerase mediates illegitimate recombination in vitro.

Ikeda, H

We have found that purified T4 DNA topoisomerase promotes recombination between two phage lambda DNA molecules in an in vitro system. In this cross, T4 DNA topoisomerase alone is able to catalyze the...

Mutant isolation of mouse DNA topoisomerase II alpha in yeast.

Adachi, N, Ikeda, H, Kikuchi, A

For characterizing in vivo functions of a mammalian protein, it is informative to obtain conditional mutations and apply them to the mouse genetic system. However, the isolation of conditional...

Characterization of cDNA encoding the mouse DNA topoisomerase II that can complement the budding yeast top2 mutation.

Adachi, N, Miyaike, M, Ikeda, H, Kikuchi, A

Several cDNA clones encoding mouse DNA topoisomerase II were obtained from a mouse spermatocyte cDNA library and the entire coding sequence of the gene was determined. The mouse DNA topoisomerase II...

A unique sequence related to the ecotropic murine leukemia virus is associated with the Fv-4 resistance gene.

Kozak, C A, Gromet, N J, Ikeda, H, Buckler, C E

Several strains of laboratory and wild-derived mice from Japan carry the dominant allele at the Fv-4 locus (Fv-4r) that is responsible for resistance to infection by exogenous ecotropic murine...

Illegitimate recombination mediated in vitro by DNA gyrase of Escherichia coli: structure of recombinant DNA molecules.

Ikeda, H, Aoki, K, Naito, A

We have developed a cell-free system from Escherichia coli for studying illegitimate recombination between nonhomologous DNA molecules. The recombination is stimulated by oxolinic acid, an inhibitor...

Serological survey of normal humans for natural antibody to cell surface antigens of melanoma.

Houghton, A N, Taormina, M C, Ikeda, H, Watanabe, T, Oettgen, H F, Old, L J

Sera of 106 normal adult men were tested for antibodies reacting with cell surface antigens of three established lines of cultured malignant melanoma. Positive reactions with a protein A assay for...

Cell surface antigens of human malignant melanoma: definition of six antigenic systems with mouse monoclonal antibodies.

Dippold, W G, Lloyd, K O, Li, L T, Ikeda, H, Oettgen, H F, Old, L J

Eighteen mouse monoclonal antibodies were selected for reactivity with cell surface antigens of the immunizing human melanoma cell line SK-MEL-28. Six distinct antigenic systems were defined by...

Chromatographic separation and antigenic analysis of proteins of the oncornaviruses. V. Identification of a new murine viral protein, p15(E).

Ikeda, H, Hardy, W, Tress, E, Fleissner, E

Profiling of murine leukemia virus (MuLV) proteins by polyacrylamide gel electrophoresis in the presence of sodium dodecyl sulfate (SDS-PAGE) has revealed a low-molecular-weight protein which does...

Mouse strain resistant to N-, B-, and NB-tropic murine leukemia viruses.

Kai, K, Ikeda, H, Yuasa, Y, Suzuki, S, Odaka, T

Mouse strain G was studied for its susceptibility to various strains of murine leukemia and sarcoma viruses. Both N- and NB-tropic Friend leukemia viruses neither induced splenomegaly nor grew...

Biological Expression of Antigenic Determinants of Murine Leukemia Virus Proteins gp69/71 and p30

Ikeda, H., Pincus, T., Yoshiki, T., Strand, M., August, J. T., Boyse, E. A., ...

Antisera to purified structural proteins of Rauscher murine leukemia virus, the major envelope glycoprotein, gp69/71, and the major internal protein, p30, were studied by immunofluorescence of viable...

Homologous recombination of monkey alpha-satellite repeats in an in vitro simian virus 40 replication system: possible association of recombination with DNA replication.

Kawasaki, I, Bae, Y S, Eki, T, Kim, Y, Ikeda, H

To study homologous recombination between repeated sequences in an in vitro simian virus 40 (SV40) replication system, we constructed a series of substrate DNAs that contain two identical fragments...

Iodinating activity of thyroid tissue in toxic diffuse goiter.

Nagataki, S, Uchimura, H, Ikeda, H, Kuzuya, N, Masuyama, Y

Thyroid tissue obtained from 12 patients with Graves' disease and treated with thionamide drugs for 3-7 mo before subtotal thyroidectomy, from 12 patients with Graves' disease, similarly treated, and...

Transcription promotes recA-independent recombination mediated by DNA-dependent RNA polymerase in Escherichia coli.

Ikeda, H, Matsumoto, T

The Rpo-mediated recombination of phage lambda takes place independently of the recA function and is promoted by DNA-dependent RNA polymerase of Escherichia coli [Ikeda, H. & Kobayashi, I. (1977)...

Changes in expression of murine leukemia virus antigens and production of xenotropic virus in the late preleukemic period in AKR mice.

Kawashima, K, Ikeda, H, Hartley, J W, Stockert, E, Rowe, W P, Old, L J

We recently reported that thymocytes from 6-month-old preleukemic AKR mice express higher levels of murine leukemia virus (MuLV)-related antigens that thymocytes from 2-month-old mice. We have now...

Involvement of DNA-dependent RNA polymerase in a recA-independent pathway of genetic recombination in Escheria coli.

Ikeda, H, Kobayashi, I

Recombinant DNA molecule of phage lambda formed in Escherichia coli in the presence of chloramphenicol and/or rifampin can be assayed by their biological activity. recA- cells were found to be...

Kinetic diversity in the fusion of exocytotic vesicles.

Ninomiya, Y, Kishimoto, T, Yamazawa, T, Ikeda, H, Miyashita, Y, Kasai, H

The speed at which secretory vesicles fuse with the plasma membrane is a key parameter for neuronal and endocrine functions. We determined the precise time courses for fusion of small clear and large...

Effects of Uvsx, Uvsy and DNA Topoisomerase on the Formation of Tandem Duplications of the Rii Gene in Bacteriophage T4

Kumagai, M., Yamashita, T., Honda, M., Ikeda, H.

We have characterized tandem duplications in the rII regions of phage T4. The rII deletion r1589 blocks only the function of the rIIA cistron, although it extends into the B cistron. Another rII...

Molecular Analysis of λbio Transducing Phage Produced by Oxolinic Acid-Induced Illegitimate Recombination in Vivo

Shimizu, H., Yamaguchi, H., Ikeda, H.

To study the mechanism of DNA gyrase-mediated illegitimate recombination in Escherichia coli, we examined the formation of λ Spi(-) phage during prophage induction. The frequency of Spi(-) phage was...

Effects of Mutations of Rad50, Rad51, Rad52, and Related Genes on Illegitimate Recombination in Saccharomyces Cerevisiae

Tsukamoto, Y., Kato, J. I., Ikeda, H.

To examine the mechanism of illegitimate recombination in Saccharomyces cerevisiae, we have developed a plasmid system for quantitative analysis of deletion formation. A can1 cyh2 cell carrying two...

Nasal field loss in cats reared with convergent squint: behavioural studies.

Ikeda, H, Jacobson, S G

1. The extent of the monocular visual field in cats reared with convergent squint in one eye was determined by a behavioural perimetry technique. 2. Significant reduction in the extent of the visual...

Mapping of a familial moyamoya disease gene to chromosome 3p24.2-p26.

Ikeda, H, Sasaki, T, Yoshimoto, T, Fukui, M, Arinami, T

Moyamoya disease is characterized by bilateral stenosis and/or occlusion of the terminal portion of the internal carotid artery. Moyamoya disease is prevalent among patients

Isolation of a Schizosaccharomyces pombe rad21ts mutant that is aberrant in chromosome segregation, microtubule function, DNA repair and sensitive to hydroxyurea: possible involvement of Rad21 in ubiquitin-mediated proteolysis.

Tatebayashi, K, Kato, J, Ikeda, H

The fission yeast DNA repair gene rad21+ is essential for cell growth. To investigate the function essential for cell proliferation, we have isolated a temperature-sensitive mutant of the rad21+...

Escherichia coli mutM suppresses illegitimate recombination induced by oxidative stress.

Onda, M, Hanada, K, Kawachi, H, Ikeda, H

DNA damage by oxidative stress is one of the causes of mutagenesis. However, whether or not DNA damage induces illegitimate recombination has not been determined. To study the effect of oxidative...

Fission yeast Mog1p homologue, which interacts with the small GTPase Ran, is required for mitosis-to-interphase transition and poly(A)(+) RNA metabolism.

Tatebayashi, K, Tani, T, Ikeda, H

We have cloned and characterized the Schizosaccharomyces pombe gene mog1(+), which encodes a protein with homology to the Saccharomyces cerevisiae Mog1p participating in the Ran-GTPase system. The S....

Role of DNA ligase in the illegitimate recombination that generates lambdabio-transducing phages in Escherichia coli.

Onda, M, Yamaguchi, J, Hanada, K, Asami, Y, Ikeda, H

We studied the role of DNA ligase in illegitimate recombination in Escherichia coli. A temperature-sensitive mutation in the lig gene reduced the frequency with which lambdabio-transducing phages...

Tissue-specific suppressor T cells involved in self-tolerance are activated extrathymically by self-antigens.

Taguchi, O, Kontani, K, Ikeda, H, Kezuka, T, Takeuchi, M, Takahashi, T, ...

Autoimmune prostatitis developed spontaneously in (C57BL/6N x A/J)F1 (B6A) mice, when thymectomy (Tx) was conducted on day 3 after birth (Tx-3). The lesion could be prevented by a single injection of...

Inhibition of autologous mixed lymphocyte reaction by monoclonal antibodies specific for the β chain of HLA-DR antigens

Kasahara, M., Ikeda, H., Ogasawara, K., Ishikawa, N., Okuyama, T., Fukasawa, Y., ...

Recent studies using rabbit antisera to the separated HLA-DR α and β subunits have suggested that α chain-specific, but not β chain-specific, antisera inhibit T cell proliferative responses in...

Branching ratio measurements of exclusive B+ decays to charmonium with the Collider Detector at Fermilab

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Ambrose, D., Amidei, D., ...

We report on measurements of the branching ratios of the decays B+→chi(c1)(0)(1P)K+ and B+→J/psiK(+)pi(+)pi(-), where chi(c1)(0)(1P)→J/psigamma and J/psi→mu(+)mu(-) in p (p) over bar...

Comparison of the isolated direct photon cross sections in p(p)over-bar collisions at root s=1.8 TeV and root s=0.63 TeV.

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Ambrose, D., Amidei, D., ...

We have measured the cross sections d(2)sigma/dP(T)deta for production of isolated direct photons in p (p) over bar collisions at two different center-of-mass energies, 1.8 TeV and 0.63 TeV, using...

Cross section for forward J/psi production in p(p)over-bar collisions at root s=1.8 TeV

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Ambrose, D., Amidei, D., ...

The inclusive cross section for J/psi production times the branching ratio B(J/psi→mu(+)mu(-)) has been measured in the forward pseudorapidity region: Bxdsigma[(p) over bar +p→J/psi(p(T) gt 10...

Diffractive dijet production at root s=630 and 1800 GeV at the Fermilab tevatron

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Amaral, P., Ambrose, D., ...

We report a measurement of the diffractive structure function F-jj(D) of the antiproton obtained from a study of dijet events produced in association with a leading antiproton in (p) over barp...

Limits on extra dimensions and new particle production in the exclusive photon and missing energy signature in p(p)over-bar collisions at root s=1.8 TeV

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Ambrose, D., Amidei, D., ...

The exclusive gammais not an element of(T) signal has a small standard model cross section and is thus a channel sensitive to new physics. This signature is predicted by models with a superlight...

Measurement of B-meson lifetimes using fully reconstructed B decays produced in p(p)over-bar collisions at root s=1.8 TeV

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Ambrose, D., Amidei, D., ...

We present an improved measurement of b-meson lifetimes using fully reconstructed B-decays produced in p(p) over bar collisions at roots = 1.8 TeV, using 114 pb(-1) of data collected at the Collider...

Measurement of the B+ total cross section and B+ differential cross section d sigma/dpT in p(p)over-bar collisions at root s=1.8 TeV

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Amaral, P., Ambrose, D., ...

We present measurements of the B+ meson total cross section and differential cross section dsigma/dp(T). The measurements use a 98+/-4 pb(-1) sample of p (p) over bar collisions at roots = 1.8 TeV...

Measurement of the ratio of b quark production cross sections in (p)over-bar-p collisions at root s=630 GeV and root s=1800 GeV

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Ambrose, D., Amidei, D., ...

We report a measurement of the ratio of the bottom quark production cross section in antiproton-proton collisions at roots=630 GeV to 1800 GeV using bottom quarks with transverse momenta greater than...

Momentum distribution of charged particles in jets in dijet events in p(p)over-bar collisions at root s=1.8 TeV and comparisons to perturbative QCD predictions

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Ambrose, D., Amidei, D., ...

Inclusive momentum distributions of charged particles in restricted cones around jet axes were measured in dijet events with invariant dijet masses in the range 80 to 600 GeV/c(2). Events were...

Search for a W' boson decaying to a top and bottom quark pair in 1.8 TeV p(p)over-bar collisions

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Ambrose, D., Amidei, D., ...

We report the results of a search for a W-' boson produced in p (p) over bar collisions at a center-of-mass energy of 1.8 TeV using a 106 pb(-1) data sample recorded by the Collider Detector at...

Search for associated production of Upsilon and vector boson in p(p)over-bar collisions at root(s)over-bar=1.8 TeV

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Ambrose, D., Amidei, D., ...

We present a search for associated production of the Y(1S) and a vector boson in 83 pb(-1) of p (p) over bar collisions at roots=1.8 TeV collected by the CDF experiment in 1994-1995. We find no...

Search for long-lived charged massive particles in p(p)over-bar collision at root s=1.8 TeV

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Ambrose, D., Amidei, D., ...

We report a search for the production of long-lived charged massive particles in a data sample of 90 pb(-1) of roots = 1.8 TeV p (p) over bar collisions recorded by the Collider Detector at Fermilab....

Search for new physics in photon-lepton events in p(p)over-bar collisions at root s=1.8 TeV

Acosta, D., Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., ...

We present the results of a search in p (p) over bar collisions at roots=1.8 TeV for anomalous production of events containing a photon with large transverse energy and a lepton (e or mu) with large...

Search for radiative b-hadron decays in p(p)over-bar collisions at root s=1.8 TeV

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Ambrose, D., Amidei, D., ...

We have performed a search for radiative b-hadron decays using events produced in p (p) over bar collisions at roots=1.8 TeV and collected by the Collider Detector at Fermilab. The decays we...

Search for single-top-quark production in p(p)over-bar collisions at root s=1.8 TeV

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Amaral, P., Ambrose, D., ...

We search for standard model single-top-quark production in the W-gluon fusion and W-star channels using 106 pb(-1) of data from p(p) over bar collisions at roots = 1.8 TeV collected with the...

Search for the decay B-s →mu(+)mu(-)phi in p(p)over-bar collisions at root s=1.8 TeV

Acosta, D., Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., ...

We present a search for the flavor-changing neutral current decay B-s→mu(+)mu(-)phi in p (p) over bar collisions at roots=1.8 TeV, using 91 pb(-1) of data collected at the Collider Detector at...

Search for the supersymmetric partner of the top quark in dilepton events from p(p)over-bar collisions at root s=1.8 TeV

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Ambrose, D., Amidei, D., ...

We have searched for pair production of the supersymmetric partner of the top quark (stop) in 107 pb(-1) of p (p) over bar collisions at roots=1.8 TeV collected by the Collider Detector at Fermilab...

Soft and hard interactions in p(p)over-bar collisions at root s=1800 and 630 GeV

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Amaral, P., Ambrose, D., ...

We present a study of p (p) over bar collisions at roots=1800 and 630 GeV collected using a minimum bias trigger by the CDF experiment in which the data set is divided into two classes corresponding...

Study of the heavy flavor content of jets produced in association with W bosons in p(p)over-bar collisions at root s=1.8 TeV

Acosta, D., Affolder, T., Akimoto, H., Akopian, A., Amaral, P., Ambrose, D., ...

We present a detailed examination of the heavy flavor content of the W+jet data sample collected with the Collider Detector at Fermilab during the 1992-1995 collider run at the Fermilab Tevatron....

Upsilon production and polarization in p(p)over-bar collisions at root s=1.8 TeV

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Amaral, P., Ambrose, D., ...

We report on measurements of the Y(1S), Y(2S), and Y(3S) differential cross sections (d(2)sigma/dp(T)dy)(\y\ lt 0.4) , as well as on the Ε(1S) polarization in p[(p)over bar] collisions at roots =...

Charged-particle multiplicity p(p)over-bar collisions at root s=1.8 TeV

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...

We report on a measurement of the mean charged-particle multiplicity of jets in dijet events with dijet masses in the range 80-630 GeV/c(2), produced at the Tevatron in p(p) over bar collisions with...

Charged jet evolution and the underlying event in proton- antiproton collisions at 1.8 TeV

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...

The growth and development of "charged particle jets" produced in proton-antiproton collisions at 1.8 TeV are studied over a transverse momentum range from 0.5 GeV/c to 50 GeV/c. A variety of leading...

Cross section and heavy quark composition of gamma+mu events produced in p(p)over-bar collisions

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...

We present a measurement of the cross section and the first measurement of the heavy flavor content of associated direct photon + muon events produced in hadronic collisions. These measurements come...

Double diffraction dissociation at the Fermilab Tevatron collider

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...

We present results from a measurement of double diffraction dissociation in pp collisions at the Fermilab Tevatron collider. The production cross section for events with a central pseudorapidity gap...

First measurement of the ratio B(t → Wb)/B(t → Wq) and associated limit on the Cabibbo-Kobayashi-Maskawa element vertical bar V-tb vertical bar

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...

We present the first measurement of the ratio of branching fractions R equivalent to B(t → Wb)/B(t → Wq) from pa collisions at roots = 1.8 TeV. The data set corresponds to 109 pb(-1) of data...

Measurement of d sigma/dM and forward-backward charge asymmetry for high-mass Drell-Yan e+e- pairs from p(p)over-bar collisions at root s=1.8 TeV

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...

We report on a measurement of the mass dependence of the forward-backward charge asymmetry, A(FB), and production cross section d sigma /dM for e(+)e(-) pairs with mass M-ee gt 40 GeV/c(2). The data...

Measurement of the inclusive jet cross section in p(p)over-bar collisions at root s=1.8 TeV

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...

We present results from the measurement of the inclusive jet cross section for jet transverse energies front 40 to 465 GeV in the pseudorapidity range 0.1 lt \[eta]\ lt 0.7. The results are based on...

Measurement of the strong coupling constant from inclusive jet production at the Tevatron (p)over-barp collider

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...

We report a measurement of the strong coupling constant, alpha(s)(M-Z), extracted from inclusive jet production in p (p) over bar collisions at root(s) = 1800 GeV. The QCD prediction for the...

Measurement of the top quark pT distribution

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...

We have measured the p(T) distribution of top quarks that are pair produced in p (p) over bar collisions at roots = 1.8 TeV using a sample of t (t) over bar decays in which we observe a single...

Measurement of the t(t)over-bar production cross section in p(p)over-bar collisions at root s=1.8 TeV

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...

We update the measurement of the t (t) over bar production cross section using the CDF detector at the Fermilab Tevatron. This measurement uses t (t) over bar decays to the final states e + nu + jets...

Measurement of the two-jet differential cross section in p(p)over-bar collisions at root s=1800 GeV

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...

A measurement is presented of the two-jet differential cross section d(3)sigma /dE(T)d eta (1)d eta (2) at center of mass energy roots = 1800 GeV in p (p) over bar collisions. The results are based...

Observation of diffractive J/psi production at the Fermilab Tevatron

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...

We report the first observation of diffractive J/psi(→ mu (+)mu (-)) production in [(p)power bar] collisions at roots = 1.8 TeV. Diffractive events are identified by their rapidity gap signature....

Search for gluinos and scalar quarks in p(p)over-bar collisions at root s=1.8 TeV using the missing energy plus multijets signature

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...

We have performed a search for gluinos ((g) over tilde) and scalar quarks ((q) over tilde) in a data sample of 84 pb(-1) of p (p) over bar collisions at roots = 1.8 TeV, recorded by the Collider...

Search for narrow diphoton resonances and for gamma gamma+W/Z signatures in p(p)over-bar collisions at root s=1.8 TeV

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...

We present results of searches for diphoton resonances produced both inclusively and also in association with a vector boson (W or Z) using 100 pb(-1) of p (p) over bar collisions using the CDF...

Search for neutral supersymmetric Higgs bosons in p(p)over-bar collisions at root s=1.8 TeV

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...

We present the results of a starch for neutral Higgs bosons produced in association with b quarks in p (p) over bar → b (b) over barb (b) over bar final states with 91 +/- 7 pb(-1) of p (p) over...

Search for new heavy particles in the WZ0 final state in ppover-bar collisions at root s=1.8 TeV

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...

We present the first general search for new heavy particles, X, which decay via X → WZ(0) → enu + jj as a function of M-X and Gamma(X) in p(p) over bar collisions at roots = 1.8 TeV. No evidence...

Search for new particles decaying to tt in pp collisions at square root s=1.8 TeV

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...

We use 106 pb/sup -1/ of data collected with the Collider Detector at Fermilab to search for narrow-width, vector particles decaying to a top and an antitop quark. Model independent upper limits on...

Search for quark-lepton compositeness and a heavy W ' boson using the e nu channel in p(p)over-bar collisions at root s=1.8 TeV

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...

We present searches for quark-lepton compositeness and a heavy W' boson at high electron-neutrino transverse mass. We use similar to 110 pb(-1) of data collected in pp collisions at roots = 1.8 TeV...

Search for the supersymmetric partner of the top quark in p(p)over-bar collisions at root s=1.8 TeV

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...

We report on a search for the supersymmetric partner of the top quark (top squark) produced in t (t) over bar events using 110 ph(-1) of p (p) over bar collisions at roots = 1.8 TeV recorded with the...

Searches for new physics in events with a photon and b-quark jet at CDF

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...

We have searched for evidence of physics beyond the standard model in events that include an energetic photon and an energetic b-quark jet, produced in 85 pb(-1) of (p) over barp collisions at 1.8...

Study of B-0 → J/psi K-(*)0 pi(+)pi(-) decays with the Collider detector at Fermilab

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amidei, D., ...

We report a study of the decays B-0 → J/psiK((*)0) pi(+) pi(- ), which involve the creation of a u(u) over bar or d(d) over bar quark pair in addition to a (b) over bar → (c) over bar(c(s) over...

Tests of enhanced leading order QCD in W boson plus jets events from 1.8 TeV (p)over-barp collisions

Affolder, T., Akimoto, H., Akopian, A., Albrow, M.G., Amaral, P., Amendolia, S.R., ...

We present a study of events with W bosons and hadronic jets produced in (p) over barp collisions at a center of mass energy of 1.8 TeV. The data consist of 51400 W→e nu decay candidates from 108...

Inclusive double Pomeron exchange at the Fermilab tevatron p bar-p collider

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Ambrose, D., Amidei, D., ...

We report results from a study of events with a double Pomeron exchange topology produced in pbar-p collisions at roots=1800 GeV. The events are characterized by a leading antiproton and a large...

Search for pair production of scalar top quarks in R-parity violating decay modes in p(p)over-bar collisions at root s=1.8 TeV

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Ambrose, D., Amidei, D., ...

We present the results of a search for pair production of scalar top quarks ((t) over tilde (1)) in an R-parity violating supersymmetry scenario in 106 pb(-1) of p (p) over bar collisions at...

Search for Kaluza-Klein graviton emission in p(p)over-bar collisions at root s=1.8 TeV using the missing energy signature

Acosta, D., Affolder, T., Akimoto, H., Albrow, M.G., Ambrose, D., Amidei, D., ...

We report on a search for direct Kaluza-Klein graviton production in a data sample of 84 pb(-1) of p (p) over bar collisions at roots=1.8 TeV, recorded by the Collider Detector at Fermilab. We...

DNA fragmentation of human infarcted myocardial cells demonstrated by the nick end labeling method and DNA agarose gel electrophoresis.

Itoh, G., Tamura, J., Suzuki, M., Suzuki, Y., Ikeda, H., Koike, M., ...

Myocardial tissue taken from 19 autopsy cases of myocardial infarction were examined both by the nick and labeling method (NELM) and by DNA agarose gel electrophoresis in order to demonstrate the...

Soluble interleukin-6 receptors in inflammatory bowel disease: relation to circulating interleukin-6.

Mitsuyama, K, Toyonaga, A, Sasaki, E, Ishida, O, Ikeda, H, Tsuruta, O, ...

The in vivo appearance of soluble interleukin (IL)-6 receptor (sIL-6R) in serum from patients with inflammatory bowel disease was examined using an enzyme linked immunosorbent assay (ELISA). The...

Apoptosis is a major mode of cell death caused by ischaemia and ischaemia/reperfusion injury to the rat intestinal epithelium

Ikeda, H, Suzuki, Y, Suzuki, M, Koike, M, Tamura, J, Tong, J, ...

First Department of Pathology, Aichi Medical University, Nagakute-cho, Aichi-gun, Aichi-ken 480-1195, Japan

Clinical and electrophysiological observations in patients with low pressure retinopathy.

Russell, R W, Ikeda, H

The clinical, angiographic, and electrophysiological features of seven patients with transient visual loss and low-pressure retinopathy are presented. Six of the patients also had symptoms of...

Amblyopia resulting from penalisation: neurophysiological studies of kittens reared with atropinisation of one or both eyes.

Ikeda, H., Tremain, K. E.

Atropinisation of the eyes--a clinical method of treating strabismus called "penalisation"--in developing kittens caused a reduction in the spatial resolving power of cells in the lateral geniculate...

Expression of endogenous retroviruses, ERV3 and lambda 4-1, in synovial tissues from patients with rheumatoid arthritis.

Takeuchi, K, Katsumata, K, Ikeda, H, Minami, M, Wakisaka, A, Yoshiki, T

We addressed the question of whether or not expression of human endogenous retroviruses (ERV), ERV3 and lambda 4-1, is related to the pathogenesis of rheumatoid arthritis (RA). In genomic Southern...

IL-8 as an important chemoattractant for neutrophils in ulcerative colitis and Crohn's disease.

Mitsuyama, K, Toyonaga, A, Sasaki, E, Watanabe, K, Tateishi, H, Nishiyama, T, ...

IL-8 is generating increasing interest as a powerful neutrophil chemoattractant and activator. To elucidate the mechanisms of neutrophil infiltration in inflammatory bowel disease, we examined 33...

Spontaneous development of autoimmune uveoretinitis in nude mice following reconstitution with embryonic rat thymus.

Ichikawa, T, Taguchi, O, Takahashi, T, Ikeda, H, Takeuchi, M, Tanaka, T, ...

This paper describes the spontaneous occurrence of an autoimmune uveoretinitis in nude (nu/nu) mice reconstituted when 4 weeks old by the grafting of rat embryonic thymus. The uveoretinitis was...

RELATION OF CHROMOSOME 4 (LINKAGE GROUP VIII) TO MURINE LEUKEMIA VIRUS-ASSOCIATED ANTIGENS OF AKR MICE

Ikeda, H., Stockert, E., Rowe, W. P., Boyse, E. A., Lilly, F., Sato, H., ...

Genes specifying or controlling the expression of GIX (cell surface), GCSA (cell surface), and gs (internal viral) antigens are located in chromosome 4 (linkage group [LG] VIII) of the AKR mouse. All...

New mutant and congenic mouse stocks expressing the murine leukemia virus-associated thymocyte surface antigen G(IX)

Stockert, E, Boyse, EA, Obata, Y, Ikeda, H, Sarkar, NH, Hoffman, HA

For several reasons the G(IX) antigen (1) has a prominent place in current work on murine leukemia virus (MuLV): In the prototype G(IX+) mouse strain 129, the G(IX) trait is mendelian, and is...

Molecular analysis of p21 and p27 genes in human pituitary adenomas.

Ikeda, H., Yoshimoto, T., Shida, N.

Pituitary tumours develop at a high frequency in p27-knockout mice and retinoblastoma gene-knockout mice, which suggests that cell cycle regulatory genes, such as cyclin-dependent kinase inhibitor...

A phase I trial of S-1 with concurrent radiotherapy for locally advanced pancreatic cancer

Ikeda, M, Okusaka, T, Ito, Y, Ueno, H, Morizane, C, Furuse, J, ...

This study investigated the maximum tolerated dose of S-1 based on the frequency of its dose-limiting toxicities (DLT) with concurrent radiotherapy in patients with locally advanced pancreatic...

Experience with International Neuroblastoma Staging System and Pathology Classification

Ikeda, H, Iehara, T, Tsuchida, Y, Kaneko, M, Hata, J, Naito, H, ...

The International Neuroblastoma Staging System and Pathology Classification were proposed in 1988 and in 1999, respectively, but their clinical value has not yet been fully studied in new patients....