T. Ohsugi

Publication List Details

Period

1978 - 2009

Number

138

Co-Authors

Optical and Near-Infrared Photometric Observation during the Superoutburst of the WZ Sge-Type Dwarf Nova, V455 Andromedae (2009)

Matsui, R., Uemura, M., Arai, A., Sasada, M., Ohsugi, T., Yamashita, T., ...

We report on optical and infrared photometric observations of a WZ Sge-type dwarf nova, V455 And during a superoutburst in 2007. These observations were performed with the KANATA (V, J, and K_s...

Early phase observations of extremely luminous Type Ia Supernova 2009dc (2009)

Yamanaka, M., Kawabata, K. S., Kinugasa, K., Tanaka, M., Imada, A., Maeda, K., ...

We present early phase observations in optical and near-infrared wavelengths for the extremely luminous Type Ia supernova (SN Ia) 2009dc. The decline rate of the light curve is $\Delta...

Fermi/Large Area Telescope Discovery of Gamma-Ray Emission from a Relativistic Jet in the Narrow-Line Quasar PMN J0948+0022 (2009)

Abdo, A. A., Ackermann, M., Ajello, M., Axelsson, M., Baldini, L., Ballet, J., ...

We report the discovery by the Large Area Telescope (LAT) onboard the Fermi Gamma-Ray Space Telescope of high-energy γ-ray emission from the peculiar quasar PMN J0948+0022 (z = 0.5846). The optical...

Expected Performance of the ATLAS Experiment - Detector, Trigger and Physics (2008)

Abat, E., Abbott, B., Abdallah, J., Abdelalim, A. A., Abdesselam, A., ...

A detailed study is presented of the expected performance of the ATLAS detector. The reconstruction of tracks, leptons, photons, missing energy and jets is investigated, together with the performance...

Outburst of a WZ Sge-type dwarf nova, AL Com in 2007 (2008)

Uemura, M., Arai, A., Sasada, M., Schmeer, P., Miller, I., Ohsugi, T., ...

We report photometric observations of AL Com during its rare outburst in 2007. The light curve is reminiscent of its past superoutbursts in 1995 and 2001, except for the rebrightening phase after the...

A new laser test stand for simulating charged-particle tracks (2007)

Y. Unno, Y. Iwata, T. Ohsugi, T. Kohriki, T. Kondo, S. Terada, ...

We report on the construction of a new laser test stand equipped with a 1064nm pulsed infrared YAG laser for simulating the passage of a charged particle in a silicon detector. The standard...

Characteristics of Irradiated Silicon Microstrip Detectors with (2007)

Substrates Akimoto Arai, T. Akimoto, S. Arai, K. Hara, Y. Ikegami, Y. Iwata, ...

In a program of developing radiation-hard silicon sensors for the LHC-ATLAS experiment, wehave irradiated various types of silicon sensors with 12-GeV protons at KEK, and made a comparative study,...

Radiation Damage Studies of Silicon Microstrip Sensors (2007)

T. Nakayama, S. Arai, K. Hara, M. Shimojima, Y. Ikegami, Y. Iwata, ...

Various types of large area silicon microstrip detectors were fabricated for the development of radiation-tolerant detectors that will operate in the LHC ATLAS SCT. The detectors were irradiated with...

CHANGE HISTORY LOG Revision Effective Date Description of Changes (2007)

H. Sadrozinski, T. Ohsugi

Hard copies of this document are for REFERENCE ONLY and should not be considered the latest revision beyond the date of printing. Form # GF-00004-A

Discovery of a WZ Sge-Type Dwarf Nova, SDSS J102146.44+234926.3: Unprecedented Infrared Activity during a Rebrightening Phase (2007)

Uemura, M., Arai, A., Krajci, T., Pavlenko, E., Shugarov, S. Yu., Katysheva, N. A., ...

Several SU UMa-type dwarf novae, in particular, WZ Sge-type stars tend to exhibit rebrightenings after superoutbursts. The rebrightening phenomenon is problematic for the disk instability theory of...

Measurement of bottom-quark hadron masses in exclusive J/psi decays with the CDF detector (2006)

Acosta, D., Adelman, J., Affolder, T., Akimoto, T., Albrow, M. G., Ambrose, D., ...

We measure the masses of b hadrons in exclusively reconstructed final states containing a J/psi ->mu(-)mu(+) decay using 220 pb(-1) of data collected by the CDF II experiment. We find: m(B+)=5279.10...

Search for W and Z bosons in the reaction (p)over-barp -> two jets plus gamma at root s=1.8 TeV (2006)

Acosta, D., Affolder, T., Albrow, M. G., Ambrose, D., Amidei, D., Anikeev, K., ...

We present a study of the dijet invariant mass distribution for the reaction (p) over barp -> jets + gamma + X, at a center of mass energy of 1.8 TeV, using data collected by the CDF experiment. We...

Measurement of the azimuthal angle distribution of leptons from W boson decays as a function of the W transverse momentum in p(p)over-bar collisions at root s = 1.8 TeV (2006)

Acosta, D., Affolder, T., Albrow, M. G., Ambrose, D., Amidei, D., Anikeev, K., ...

We present the first measurement of the A(2) and A(3) angular coefficients of the W boson produced in proton-antiproton collisions. We study W -> e nu(e) and W ->mu nu(mu) candidate events produced...

Measurement of the azimuthal angle distribution of leptons from W boson decays as a function of the W transverse momentum in p(p)over-bar collisions at root s = 1.8 TeV (2006)

Acosta, D., Affolder, T., Albrow, M. G., Ambrose, D., Amidei, D., Anikeev, K., ...

We present the first measurement of the A(2) and A(3) angular coefficients of the W boson produced in proton-antiproton collisions. We study W -> e nu(e) and W ->mu nu(mu) candidate events produced...

Search for First-Generation Scalar Leptoquarks in $\bm{p \bar{p}}$ collisions at $\sqrt{s}$=1.96 TeV (2005)

Adelman, J., Affolder, T., Akimoto, T., Albrow, M. G., Ambrose, D., ...

We report on a search for pair production of first-generation scalar leptoquarks ($LQ$) in $p \bar{p}$ collisions at $\sqrt{s}$=1.96 TeV using an integrated luminosity of 203 $pb^{-1}$ collected at...

Search for electroweak single-top-quark production in p(p)over-bar collisions at root s=1.96 TeV (2005)

Acosta, D., Adelman, J., Affolder, T., Akimoto, T., Albrow, M. G., Ambrose, D., ...

We report on a search for standard model t-channel and s-channel single-top quark production in p (p) over bar collisions at a center of mass energy of 1.96 TeV. We use a data sample corresponding to...

Search for long-lived doubly charged Higgs bosons in p(p)over-bar collisions at root s=1.96 TeV (2005)

Acosta, D., Adelman, J., Affolder, T., Akimoto, T., Albrow, M. G., Ambrose, D., ...

We present a search for long-lived doubly charged Higgs bosons (H+/-+/-), with signatures of high ionization energy loss and muonlike penetration. We use 292 pb(-1) of data collected in p (p) over...

First measurements of inclusive W and Z cross sections from Run II of the Fermilab Tevatron Collider (2005)

Acosta, D., Affolder, T., Akimoto, T., Albrow, M. G., Ambrose, D., Amerio, S., ...

We report the first measurements of inclusive W and Z cross sections times leptonic branching ratios for p (p) over bar collisions at root s=1.96 TeV, based on their decays to electrons and muons....

Comparison of Three-jet Events in Proton-Antiproton Collisions at Center-of-mass Energy 1.8 TeV to Predictions from a Next-to-leading Order QCD Calculation (2004)

Acosta, D., Affolder, T., Albrow, M. G., Ambrose, D., Amidei, D., Anikeev, K., ...

The properties of three-jet events with total transverse energy greater than 320 GeV and individual jet energy greater than 20 GeV have been analyzed and compared to absolute predictions from a...

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...

Underlying event in hard interactions at the Fermilab Tevatron p(p)over-barp collider (2004)

Acosta, D., Affolder, T., Albrow, M. G., Ambrose, D., Amidei, D., Anikeev, K., ...

For comparison of inclusive jet cross sections measured at hadron-hadron colliders to next-to-leading order (NLO) parton-level calculations, the energy deposited in the jet cone by spectator parton...

Direct photon cross section with conversions at CDF (2004)

Acosta, D., Affolder, T., Albrow, M. G., Ambrose, D., Amidei, D., Anikeev, K., ...

We present a measurement of the isolated direct photon cross section in p (p) over bar collisions at roots=1.8 TeV and \eta\gammagamma and eta-->gammagamma events from the data we use a new...

Measurement of the polar-angle distribution of leptons from W boson decay as a function of the W transverse momentum in p(p)over-bar collisions at root s=1.8 TeV (2004)

Acosta, D., Affolder, T., Albrow, M. G., Ambrose, D., Amidei, D., Anikeev, K., ...

We present a measurement of the polar-angle distribution of leptons from W boson decay, as a function of the W transverse momentum. The measurement uses an 80+/-4 pb(-1) sample of p (p) over bar...

Optimized search for single-top-quark production at the Fermilab Tevatron (2004)

Acosta, D., Affolder, T., Albrow, M. G., Ambrose, D., Amidei, D., Anikeev, K., ...

We use a neural-network technique to search for standard model single-top-quark production in the 106 pb(-1) dataset accumulated by the Collider Detector at Fermilab detector during the 1992-1995...

Heavy flavor properties of jets produced in p(p)over-bar interactions at root s=1.8 TeV (2004)

Acosta, D., Ambrose, D., Anikeev, K., Antos, J., Apollinari, G., Arisawa, T., ...

We present a detailed examination of the heavy flavor properties of jets produced at the Fermilab Tevatron collider. The data set, collected with the Collider Detector at Fermilab, consists of events...

Observation of the narrow state X(3872)-> J/psi pi(+)pi(-) in (p)over-barp collisions at root s=1.96 TeV (2004)

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

We report the observation of a narrow state decaying into J/psipi(+)pi(-) and produced in 220 pb(-1) of (p) over barp collisions at roots=1.96 TeV in the CDF II experiment. We observe 730+/-90...

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...

Search for doubly charged Higgs bosons decaying to dileptons in p(p)over-bar collisions at root s=1.96 TeV (2004)

Acosta, D., Affolder, T., Akimoto, T., Albrow, M. G., Ambrose, D., Amerio, S., ...

We present the results of a search for doubly charged Higgs bosons (H+/-+/-) decaying to dileptons (ll') using approximate to240 pb(-1) of p (p) over bar collision data collected by the CDF II...

Measurement of the t(t)over-bar production cross section in p(p)over-bar collisions at root s=1.96 TeV using dilepton events (2004)

Acosta, D., Affolder, T., Akimoto, T., Albrow, M. G., Ambrose, D., Amerio, S., ...

We report a measurement of the t (t) over bar production cross section using dilepton events with jets and missing transverse energy in p (p) over bar collisions at a center-of-mass energy of 1.96...

Inclusive search for anomalous production of high-p(T) like-sign lepton pairs in p(p)over-bar collisions at root s=1.8 TeV (2004)

Acosta, D., Affolder, T., Albrow, M. G., Ambrose, D., Amidei, D., Anikeev, K., ...

We report on a search for anomalous production of events with at least two charged, isolated, like-sign leptons, each with p(T)>11 GeV/c using a 107 pb(-1) sample of 1.8 TeV p (p) over bar collisions...

Search for B-s(0)->mu(+)mu(-) and B-d(0)->mu(+)mu(-) decays in p(p)over-bar collisions at root s=1.96 TeV (2004)

Acousta, D., Affolder, T., Akimoto, T., Albrow, M. G., Ambrose, D., Amerio, S., ...

We report on a search for B-s(0)-->mu(+)mu(-) and B-d(0)-->mu(+)mu(-) decays in p (p) over bar collisions at roots=1.96 TeV using 171 pb(-1) of data collected by the CDF II experiment at the Fermilab...

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...

Heavy flavor properties of jets produced in p(p)over-bar interactions at root s=1.8 TeV (2004)

Acosta, D., Ambrose, D., Anikeev, K., Antos, J., Apollinari, G., Arisawa, T., ...

We present a detailed examination of the heavy flavor properties of jets produced at the Fermilab Tevatron collider. The data set, collected with the Collider Detector at Fermilab, consists of events...

Measurement of the mass difference m(D-s(+))-m(D+) at CDF II (2003)

Acosta, D., Affolder, T., Ahn, M. H., Akimoto, T., Albrow, M. G., Alcorn, B., ...

We present a measurement of the mass difference m(D-s(+))-m(D+), where both the D-s(+) and D+ are reconstructed in the phipi(+) decay channel. This measurement uses 11.6 pb(-1) of data collected by...

Search for the flavor-changing neutral current decay D-0 ->mu(+)mu(-) in p(p)over-bar collisions at root s=1.96 TeV (2003)

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

We report on a search for the flavor-changing neutral current decay D-0-->mu(+)mu(-) in p (p) over bar collisions at roots=1.96 TeV using 65 pb(-1) of data collected by the CDF II experiment at the...

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...

Measurement of prompt charm meson production cross sections in p(p)over-bar collisions at root s=1.96 TeV (2003)

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

We report on measurements of differential cross sections dsigma/dp(T) for prompt charm meson production in p (p) over bar collisions at roots=1.96 TeV using 5.8+/-0.3 pb(-1) of data from the CDF II...

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...

Characterisation of p-in-n ATLAS silicon microstrip detectors fabricated by Hamamatsu Photonics and irradiated with 24GeV/c protons to ... (1999)

Hamamatsu Photonics, D. Morgan, C. M. Buttar, I. Dawson, K. Hara, J. R. Carter, ...

P-in-n silicon microstrip prototype detectors for the ATLAS experiment at CERN have been designed and manufactured by Hamamatsu Photonics. Detectors were irradiated at the CERN Proton Synchrotron...

Prototype Si microstrip sensors for the CDF-II ISL detector (1999)

K. Hata, K. Hata, K. Kanao, S. Kim, M. Ogasawara, T. Ohsugi

Prototype Si microstrip sensors for the CDF-II ISL were fabricated by Hamamatsu Photonics and SEIKO Instruments using 4# technology. The sensor is AC coupled and double-sided forming a stereo angle...

Radiation Damage Studies of Silicon Microstrip Sensors (1999)

T. Nakayama, Nakayama Arai Hara, K. Hara, M. Shimojima, Y. Ikegami, Y. Iwata, ...

Various types of large area silicon microstrip detectors were fabricated for development of radiation-tolerant detectors operational in the LHC ATLAS SCT. The detectors were irradiated with 12-GeV...

Evaluation of Radiation Damaged P-in-n and N-in-n Silicon Microstrip Detectors (1998)

Unno Yamashita, T. Yamashita, S. Terada, T. Kohriki, G. Moorhead, Y. Iwata, ...

Two p-in-n and one n-in-n silicon microstrip detectors were radiation-damaged and tested in a beam. A comparison was made between the p-in-n and the n-in-n in high resistivity wafers, and the p-in-n...

Novel P-stop Structure in the N-side of Silicon Microstrip Detector (1997)

Unno Kohriki, Y. Unno, T. Kohriki, T. Kondo, S. Terada, M. Numajiri, ...

After identifying the microdischarge location in the n-side, a novel p-stop structure, a p-stop with an extended DC field plate, was invented and implemented in the n-strip readout on the nbulk...

Characterization of an Irradiated Double-sided Silicon Strip Detector with Fast Binary Readout Electronics in a Pion Beam (1996)

Unno Kohriki, T. Ohmoto, M. Yoshikawa, H. Ohyama, Y. Iwata, T. Ohsugi, ...

We report on the characterization of an AC-coupled, double-sided silicon strip detector, with fast binary readout electronics, in a pion beam before and after proton irradiation. The proton...

Taste receptor stimulation and feeding behaviour in the puffer, Fugu pardalis I. Effect of single chemicals (1978)

Hidaka, I., Ohsugi, T., Kubomatsu, T.

In electrophysiological experimentation, various chemicals are effective in stimulating the lip chemoreceptors of the puffer, Fugu pardalis (Hidaka et al., 1975; Kiyohara et al., 1975a). Their...

Taste receptor stimulation and feeding behaviour in the puffer, Fugu pardalis. II. Effects produced by mixtures of constituents of clam extracts (1978)

Ohsugi, T., Hidaka, I., Ikeda, M.

The effects of extracts of short-necked clam, Tapes japonica, as feeding stimulants on the puffer, Fugu pardalis, were studied by applying the constituents of the extracts in starch pellets. As...

Heavy flavor properties of jets produced in p(p)over-bar interactions at root s=1.8 TeV

Acosta, D., Ambrose, D., Anikeev, K., Antos, J., Apollinari, G., Arisawa, T., ...

We present a detailed examination of the heavy flavor properties of jets produced at the Fermilab Tevatron collider. The data set, collected with the Collider Detector at Fermilab, consists of events...

Heavy flavor properties of jets produced in p(p)over-bar interactions at root s=1.8 TeV

Acosta, D., Ambrose, D., Anikeev, K., Antos, J., Apollinari, G., Arisawa, T., ...

We present a detailed examination of the heavy flavor properties of jets produced at the Fermilab Tevatron collider. The data set, collected with the Collider Detector at Fermilab, consists of events...