H. Kobayashi

Publication List Details

Period

0000 - 2009

Number

183

Co-Authors

Role of anion size, magnetic moment, and disorder on the properties of the organic conductor kappa-(BETS)_2Ga_{1-x}Fe_{x}Cl_{4-y}_Br_{y} (2009)

Steven, E., Cui, H. B., Kismarahardja, A., Brooks, J. S., Graf, D., Kobayashi, H.

Shubnikov-de Haas and angular dependent magnetoresistance oscillations have been used to explore the role of anion size, magnetic moment, and disorder in the organic conductors kappa-(BETS)_2GaBr_{4}...

Groundwater dating by estimation of groundwater flow velocity and dissolved 4He accumulation rate calibrated by 36Cl in the Great Artesian Basin, Australia (2009)

Mahara, Yasunori, Habermehl, M.A., Hasegawa, T., Nakata, K., Ransley, T.R, Hatano, T., ...

We tested two methods for dating groundwaters that cannot be reliably measured by 36Cl dating alone, one based on groundwater flow velocity plus distance along a flow path and the other based on 4He...

Direct observation of localization in the minority-spin-band electrons of magnetite below the Verwey temperature (2009)

Kobayashi, H., Nagao, T., Itou, M., Todo, S., Barbiellini, B., Mijnarends, P. E., ...

Two-dimensional spin-uncompensated momentum density distributions, $\rho_{\rm s}^{2D}({\bf p})$s, were reconstructed in magnetite at 12K and 300K from several measured directional magnetic Compton...

A simple experiment for quantum erasers and geometric phases (2009)

Kobayashi, H., Tamate, S., Nakanishi, T., Sugiyama, K., Kitano, M.

We introduce a simple experiment involving a double-slit interferometer by which one can learn basic concepts of quantum interference such as which-path marking, quantum erasers, and geometric...

Use of plants in healthcare: a traditional ethno-medicinal practice in rural areas of southeastern Bangladesh (2009)

Chowdhury, M. S. H., Koike, M., Muhammed, N., Halim, Md. A., Saha, N., Kobayashi, H.

This is an electronic version of an article published in International Journal of Biodiversity Science & Management, Volume 5, Issue 1 March 2009 , pages 41 - 51 . International Journal of...

Frustrated Ising Model on a Diamond Hierarchical Lattice (2009)

Kobayashi, H., Fukumoto, Y., Oguchi, A.

A frustrated Ising model on a diamond hierarchical lattice is studied. We obtain the exact partition function of this model and calculate the transition temperature, specific heat, entropy,...

Relative astrometry of the J=1-0, v=1 and v=2 SiO masers towards R Leonis Minoris using VERA (2008)

Rioja, M. J., Dodson, R., Kamohara, R., Colomer, F., Bujarrabal, V., Kobayashi, H.

Oxygen-rich Asymptotic Giant Branch (AGB) stars are intense emitters of SiO and H$_2$O maser lines at 43 (J=1-0, v=1 and 2) and 22 GHz, respectively. VLBI observations of the maser emission provides...

Microstructure and kinematics of H2O masers in the massive star forming region IRAS 06061+2151 (2008)

Motogi, K., Watanabe, Y., Sorai, K., Habe, A., Honma, M., Imai, H., ...

We have made multi-epoch VLBI observations of H2O maser emission in the massive star forming region IRAS 06061+2151 with the Japanese VLBI network (JVN) from 2005 May to 2007 October. The detected...

Excitonic spin-state preservation mediated by optical-phonon resonant excitation in a single quantum dot (2008)

Kumano, H., Kobayashi, H., Ekuni, S., Hayashi, Y., Jo, M., Sasakura, H., ...

High degree of excitonic spin-state preservation during energy relaxation is demonstrated in a single quantum dot. Optical-phonon resonances and corresponding suppression of spin relaxation are...

Single photon emission with high degree of circular polarization from a single quantum dot under zero magnetic field (2008)

Kumano, H., Kobayashi, H., Hayashi, Y., Jo, M., Suemune, I., Sasakura, H., ...

Single photon emission with high degree of circular polarization (DCP) from a positively charged exciton (trion) state in a single quantum dot (QD) is demonstrated under zero magnetic field. Obtained...

Leucettamol A: A new inhibitor of Ubc13-Uev1A interaction isolated from a marine sponge, Leucetta aff. microrhaphis (2008)

Tsukamoto, S., Takeuchi, T., Rotinsulu, H., Mangindaan, R.E.P., Ukai, K., ...

A compound that inhibits the formation of a complex composed of the ubiquitin E2 enzyme Ubc13 and Uev1A was isolated from the marine sponge Leucetta aff. microrhaphis. The compound was identified as...

Measurements of inclusive W and Z cross sections in collisions at (2007)

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

We report the first measurements of inclusive W and Z boson cross-sections times the corresponding leptonic branching ratios for collisions at TeV based on the decays of the W and Z bosons into...

Beam-Position Monitor System for the KEKB (2007)

Injector Linac, T. Suwada, N. Kamikubota, K. Furukawa, H. Kobayashi

Abstract. About 90 stripline-type beam position monitors (BPMs) have been newly installed in the KEKB injector linac. These monitors easily reinforce handling beam orbits and measuring the charge of...

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...

Measurements of inclusive W and Z cross sections in p(p)over-bar collisions at root s=1.96 TeV (2007)

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

We report the first measurements of inclusive W and Z boson cross-sections times the corresponding leptonic branching ratios for pp collisions at root s = 1.96 TeV based on the decays of the W and Z...

Carteramine A, an inhibitor of neutrophil chemotaxis, from the marine sponge Stylissa carteri. (2007)

Kobayashi, H., Kitamura, K., Nagai, K., Nakao, Y., Fusetani, N., ...

Abstract: A new dimeric oroidin derivative, carteramine A (1), was isolated as a neutrophil chemotaxis inhibitor from the marine sponge Stylissa carteri. The structure of 1 was elucidated by the...

$^{77}$Se NMR evidence for the Jaccarino-Peter mechanism in the field induced superconductor, $\lambda$(BETS)$_2$FeCl$_4$ } (2007)

Hiraki, K., Mayaffre, H., Horvatic, M., Berthier, C., Uji, S., Yamaguchi, T., ...

We have performed $^{77}$Se NMR on a single crystal sample of the field induced superconductor $\lambda$-(BETS)$_{2}$FeCl$_{4}$. Our results obtained in the paramagnetic state provide a microscopic...

$^{77}$Se NMR evidence for the Jaccarino-Peter mechanism in the field induced superconductor, $\lambda$(BETS)$_2$FeCl$_4$ } (2007)

Hiraki, K., Mayaffre, H., Horvatic, M., Berthier, C., Uji, S., Yamaguchi, T., ...

We have performed $^{77}$Se NMR on a single crystal sample of the field induced superconductor $\lambda$-(BETS)$_{2}$FeCl$_{4}$. Our results obtained in the paramagnetic state provide a microscopic...

Design of high-quality Pt-CeO2 composite anodes supported by carbon black for direct methanol fuel cell application (2007)

Takahashi, M., Mori, T., Ye, F., Vinu, A., Kobayashi, H., Drennan, J.

A Pt on nano-sized CeO2 particles that in turn are supported on carbon black (CB) was synthesized using the co-impregnation method. This potential anode material for fuel cell applications was...

Design of high-quality Pt-CeO2 composite anodes supported by carbon black for direct methanol fuel cell application (2007)

Takahashi, M., Mori, T., Ye, F., Vinu, A., Kobayashi, H., Drennan, J.

A Pt on nano-sized CeO2 particles that in turn are supported on carbon black (CB) was synthesized using the co-impregnation method. This potential anode material for fuel cell applications was...

VERA 22 GHz fringe search survey (2006)

Petrov, L., Hirota, T., Honma, M., Shibata, K. M., Jike, T., Kobayashi, H.

This paper presents results of a survey search for bright compact radio sources at 22 GHz with the VERA radio-interferometer. Each source from a list of 2494 objects was observed in one scan for 2...

Measurement of the dipion mass spectrum in X(3872)-> J/psi pi(+)pi(-) decays (2006)

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

We measure the dipion mass spectrum in X(3872) -> J/psi pi(+)pi(-) decays using 360 pb(-1) of (p) over barp collisions at root s = 1.96 TeV collected with the CDF II detector. The spectrum is fit...

Top quark mass measurement from dilepton events at CDF II with the matrix-element method (2006)

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

We describe a measurement of the top quark mass using events with two charged leptons collected by the CDF II detector from p (p) over bar collisions with root s=1.96 TeV at the Fermilab Tevatron....

Search for a neutral Higgs boson decaying to a W boson pair in p(p)over-bar collisions at root s=1.96 TeV (2006)

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

We present the results of a search for standard model Higgs boson production with decay to WW*, identified through the leptonic final states e(+)e(-)(nu) over bar nu,e(+/-)mu(-/+)(nu) over bar nu and...

Search for new physics in lepton plus photon plus X events with 305 pb(-1) of p(p)over-bar collisions at root s=1.96 TeV (2006)

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

We present results of a search for anomalous production of events containing a charged lepton (l, either e or mu) and a photon (gamma), both with high transverse momentum, accompanied by additional...

Measurement of the B-c(+) meson lifetime using the decay mode B-c(+)-> J/psi e(+)nu(e) (2006)

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

We present a measurement of the B-c(+) meson lifetime in the decay mode B-c(+) -> J/psi e(+) nu(e) using the Collider Detector at Fermilab II detector at the Fermilab Tevatron Collider. From a sample...

Measurement of the top quark mass using template methods on dilepton events in p(p)over-bar collisions at root s=1.96 TeV (2006)

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

We describe a measurement of the top quark mass from events produced in p (p) over bar collisions at a center-of-mass energy of 1.96 TeV, using the Collider Detector at Fermilab. We identify t (t)...

Observation of B-s(0)->psi(2S)phi and measurement of the ratio of branching fractions B(B-s(0)->psi(2S)phi)/B(B-s(0)-> J/psi phi) (2006)

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

We report the first observation of B-s(0)->psi(2S)phi decay in pp collisions at root s=1.96 TeV using 360 pb(-1) of data collected by the CDF II detector at the Fermilab Tevatron. We observe 20.2 +/-...

Evidence for the exclusive decay B-c(+/-)-> J/psi pi(+/-) and measurement of the mass of the B-c(+/-) meson (2006)

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

We report the first evidence for a fully reconstructed decay mode of the B-c(+/-) meson in the channel B-c(+/-)-> J/psi pi(+/-), with J/psi ->mu(+)mu(-). The analysis is based on an integrated...

Measurement of the inclusive jet cross section in p(p)over-bar interactions at root S=1.96 TeV using a cone-based jet algorithm (2006)

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

We present a measurement of the inclusive jet cross section in p (p) over bar interactions at root s>=1.96 TeV using 385 pb(-1) of data collected with the CDF II detector at the Fermilab Tevatron....

Measurement of the ratio of branching fractions B(D-0 -> K+pi(-))/B(D-0 -> K-pi(+)) using the CDF II detector (2006)

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

We present a measurement of RB, the ratio of the branching fraction for the rare decay D-0 -> K+pi(-) to that for the Cabibbo-favored decay D-0 -> K-pi(+). Charge-conjugate decays are implicitly...

Observation of B-s(0)-> K+K- and measurements of branching fractions of charmless two-body decays of B-0 and B-s(0) mesons in pp collisions at root s=1.96 TeV (2006)

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

We search for decays of the type B-(s)(0)-> h(+)h('-) (where h,h(')=K or pi) in 180 pb(-1) of (p) over barp collisions collected at the Tevatron by the upgraded Collider Detector at Fermilab. We...

Search for excited and exotic muons in the mu gamma decay channel in p(p)over-bar collisions root s=1.96 TeV (2006)

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

We search for excited and exotic muon states mu(*) using an integrated luminosity of 371 pb(-1) of p (p) over bar collision data at root s=1.96 TeV. We search for associated production of mu mu(*)...

Search for large extra dimensions in the production of jets and missing transverse energy in p(p)over-bar collisions at root s=1.96 TeV (2006)

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

We present the results of a search for new physics in the jets plus missing transverse energy data sample collected from 368 pb(-1) of p (p) over bar collisions at root s = 1.96 TeV recorded by the...

Measurement of the $t\bar{t}$ Production Cross Section in $p\bar{p}$ Collisions at $\sqrt{s}$ = 1.96 TeV using Lepton + Jets Events with Jet Probability b-tagging (2006)

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

We present a measurement of the tt-bar production cross section using events with one charged lepton and jets from p anti-p collisions at a center-of-mass energy of 1.96 TeV. A b-tagging algorithm...

Cytotoxicity of single-wall carbon nanotubes on human fibroblasts. (2006)

Tian, F., Cui, D., Schwarz, Heinz, Gomez Estrada, G., Kobayashi, H.

We present a toxicological assessment of five carbon nanomaterials on human fibroblast cells in vitro. We correlate the physico-chemical characteristics of these nanomaterials to their toxic effect...

Measurement of the $t\bar{t}$ Production Cross Section in $p\bar{p}$ Collisions at $\sqrt{s}$ = 1.96 TeV using Lepton + Jets Events with Jet Probability b-tagging (2006)

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

We present a measurement of the tt-bar production cross section using events with one charged lepton and jets from p anti-p collisions at a center-of-mass energy of 1.96 TeV. A b-tagging algorithm...

Measurement of the $t\bar{t}$ Production Cross Section in $p\bar{p}$ Collisions at $\sqrt{s}$ = 1.96 TeV using Lepton + Jets Events with Jet Probability b-tagging (2006)

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

We present a measurement of the tt-bar production cross section using events with one charged lepton and jets from p anti-p collisions at a center-of-mass energy of 1.96 TeV. A b-tagging algorithm...

Preparation and anode property of Pt-CeO2 electrodes supported on carbon black for direct methanol fuel cell applications (2006)

Takahashi, M, Mori, T, Vinu, A, Kobayashi, H, Drennan, J, Ou, DR

A platinum (Pt) on pure ceria (CeO2) supported by carbon black (CB) anode was synthesized using a combined process of precipitation and coimpregnation methods. The electrochemical activity of...

Optimal and Suboptimal Linear Receivers for Impulse Radio UWB Systems (2006)

S. Gezici, V. Poor, H. Kobayashi, A. Molisch

The high time resolution of ultra-wideband (UWB) signals results in a large number of multipath components (MPCs) arriving at the receiver, which presents a source of diversity. In addition to this...

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....

A Low-Cost Time-Hopping Impulse Radio System for High Data Rate Transmission (2005)

Andreas F. Molisch, Ye Geoffrey Li, Yves-Paul Nakache, Philip Orlik, Makoto Miyake, Yunnan Wu, ...

We present an efficient, low-cost implementation of time-hopping impulse radio that fulfills the spectral mask mandated by the FCC and is suitable for high-data-rate, short-range communications. Key...

Synthesis and characterization of nano-hetero-structured dy doped CeO2 solid electrolytes using a combination of spark plasma sintering and conventional sintering (2005)

Mori, T, Kobayashi, T, Wang, Y, Drennan, J, Nishimura, T, Li, JG, ...

Doped ceria (CeO2) compounds are fluorite-type oxides that show oxide ionic conductivity higher than yttria-stabilized zirconia in oxidizing atmosphere. As a consequence of this, considerable...

A Low-Cost Time-Hopping Impulse Radio System for High Data Rate Transmission (2005)

Andreas F. Molisch, Ye Geoffrey Li, Yves-Paul Nakache, Philip Orlik, Makoto Miyake, Yunnan Wu, ...

We present an efficient, low-cost implementation of time-hopping impulse radio that fulfills the spectral mask mandated by the FCC and is suitable for high-data-rate, short-range communications. Key...

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...

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...

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...

Simulation of tritium spreading in controlled areas after a tritium release. (2004)

Cristescu, I.R., Travis, J., Kobayashi, H., Iwai, Y., Murdoch, D.

7th Internat.Conf.on Tritium Science and Technology, Baden-Baden, September 12-17, 2004

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...

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...

Midrapidity Neutral-Pion Production in Proton-Proton Collisions at $\sqrt{s}$ = 200 GeV (2003)

Adler, S.S., Afanasiev, S., Aidala, C., Ajitanand, N.N., Akiba, Y., Alexander, J., ...

The invariant differential cross section for inclusive neutral pion production in p+p collisions at sqrt(s_NN) = 200 GeV has been measured at mid-rapidity |eta| < 0.35 over the range 1 < p_T

Midrapidity Neutral-Pion Production in Proton-Proton Collisions at $\sqrt{s}$ = 200 GeV (2003)

Adler, S.S., Afanasiev, S., Aidala, C., Ajitanand, N.N., Akiba, Y., Alexander, J., ...

The invariant differential cross section for inclusive neutral pion production in p+p collisions at sqrt(s_NN) = 200 GeV has been measured at mid-rapidity |eta| < 0.35 over the range 1 < p_T

Classification of human astrocytic gliomas on the basis of gene expression: a correlated group of genes with angiogenic activity emerges as a strong predictor of subtypes (2003)

Godard, S., Getz, G., Delorenzi, M., Farmer, P., Kobayashi, H., Desbaillets, I., ...

The development of targeted treatment strategies adapted to individual patients requires identification of the different tumor classes according to their biology and prognosis. We focus here on the...

Midrapidity Neutral-Pion Production in Proton-Proton Collisions at $\sqrt{s}$ = 200 GeV (2003)

Adler, S.S., Afanasiev, S., Aidala, C., Ajitanand, N.N., Akiba, Y., Alexander, J., ...

The invariant differential cross section for inclusive neutral pion production in p+p collisions at sqrt(s_NN) = 200 GeV has been measured at mid-rapidity |eta| < 0.35 over the range 1 < p_T

A Low-Cost Time-Hopping Impulse Radio System for High Data Rate Transmission (2003)

Makoto Miyake, Yunnan Wu, Sinan Gezici, Harry Sheng, S. Y. Kung, H. Kobayashi, ...

We present an efficient, low-cost implementation of time-hopping impulse radio that fulfills the spectral mask mandated by the FCC and is suitable for high-data-rate, short-range communications. Key...

Microscopic Response of Radiation on Imaging Plates (2002)

Kobayashi, H., Satoh, M., Etoh, M., Ogura, K., Maruyama, K., Yanagie, H.

The microscopic response of alpha particles on an imaging plate was studied experimentally. It is proved that a single alpha event can be discriminated from background signals and be recorded on the...

Helicobacter pylori infection in rheumatoid arthritis: effect of drugs on prevalence and correlation with gastroduodenal lesions (2002)

Ishikawa, N., Fuchigami, T., Matsumoto, T., Kobayashi, H., Sakai, Y., Tabata, H., ...

Objective. The aim of this study was to investigate the impact of Helicobacter pylori infection on clinical features in patients with rheumatoid arthritis (RA) under medication with...

Measurement of longitudinal spin transfer to Lambda hyperons in deep-inelastic lepton scattering (2001)

Airapetian, A., Akopov, N., Amarian, M., Aschenauer, E.C., Avakian, H., Avakian, R., ...

Spin transfer in deep-inelastic Lambda electroproduction has been studied with the HERMES detector using the 27.6 GeV polarized positron beam in the DESY HERA storage ring. For an average fractional...

Single-spin azimuthal asymmetries in electroproduction of neutral pions in semi-inclusive deep-inelastic scattering (2001)

Airapetian, A, Akopov, N., Akopov, Z., Amarian, M, Aschenauer, E.C., Avakian, H., ...

A single-spin asymmetry in the azimuthal distribution of neutral pions relative to the lepton scattering plane has been measured for the first time in deep-inelastic scattering of positrons off...

Double-spin asymmetry in the cross section for exclusive rho0 production in lepton-proton scattering (2001)

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Arrington, J., Aschenauer, E.C., ...

Evidence for a positive longitudinal double-spin asymmetry (A/sub 1//sup rho /)=0.24+or-0.11/sub stat/+or-0.02/sub syst/ in the cross section for exclusive diffractive rho /sup 0/(770) vector-meson...

Reactivity of Au with ultrathin Si layers: A photoemission study (2001)

Ivanco, J., Kobayashi, H., Almeida, J., Margaritondo, G., Pincik, E.

We present a photoemission study on reactivity of the Au-Si system. We studied gold films evaporated atop ultrathin silicon layers previously deposited on GaAs. Following analysis of both the Si 2p...

Measurement of the beam-spin azimuthal asymmetry associated with deeply-virtual compton scattering (2001)

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Aschenauer, E.C., Avakian, H., ...

The beam spin asymmetry in hard electroproduction of photons was measured in the missing-mass (Mx) range upto 7 GeV. A nonzero asymmetry was observed in the exclusive domain for Mx [less-than or...

Multiplicity of charged and neutral pions in deep-inelastic scattering of 27.5 GeV positrons on hydrogen (2001)

Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Arrington, J., Aschenauer, E.C., ...

Measurements of the individual multiplicities of pi /sup +/, pi /sup -/ and pi /sup 0/ produced in the deep-inelastic scattering of 27.5 GeV positrons on hydrogen are presented. The average charged...

Cortical bone mineral density in asymmetrical mandibles: a three-dimensional quantitative computed tomography study (2001)

Maki, K., Miller, A. J., Okano, T., Hatcher, D., Yamaguchi, T., Kobayashi, H., ...

The three‐dimensional distribution (3D) of the highest mineralized cortical bone was evaluated in 32 subjects between the ages of 8 and 30 years with asymmetrical mandibles using quantitative...

Unpinning of the Au/GaAs interfacial Fermi level by means of ultrathin undoped silicon interlayer inclusion (2000)

Ivanco, J., Kobayashi, H., Almeida, J., Margaritondo, G.

We present a photoemission spectroscopy study of As-rich n-GaAs(001) surface modified by the deposition of an undoped silicon overlayer with thickness quite narrowly covering the interval from...

Observation of a coherence length effect in exclusive ρ(0) electroproduction (1999)

Ackerstaff, K., Airapetian, A., Akopov, N., Akushevich, I., Amarian, M., Aschenauer, E. C., ...

Exclusive incoherent electroproduction of the ρ0(770) meson from 1H, 2H, 3He, and 14N targets has been studied by the HERMES experiment at squared four-momentum transfer Q^2>0.4 GeV^2 and positron...

Beam-induced nuclear depolarization in a gaseous polarized-hydrogen target (1999)

Ackerstaff, K., Airapetian, A., Akopov, N., Amarian, M., Aschenauer, E. C., Avakian, H., ...

Spin-polarized atomic hydrogen is used as a gaseous polarized-proton target in high-energy and nuclear-physics experiments operating with internal beams in storage rings. When such beams are intense...

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...

Flavor asymmetry of the light quark sea from semi-inclusive deep-inelastic scattering (1998)

Ackerstaff, K., Airapetian, A., Akopov, N., Akushevich, I., Amarian, M., Ashenauer, E. C., ...

The flavor asymmetry of the light quark sea of the nucleon is determined in the kinematic range 0.02 < x < 0.3 and 1 < Q(2) < 10 GeV2 for the first time from semi-inclusive deep-inelastic scattering....

A High Precision Laser Alignment Monitoring System for HERMES Tracking Detectors (1998)

K. Shibatani, Y. Sakemi, H. Kobayashi, S. Yoneyama, T. Harano, K. Shibatani, ...

A high precision alignment system has been developed for online monitoring of the tracking detectors of HERMES. The system consists of a He-Ne laser, Fresnel zone plates, CCD cameras, and electronics...

Beam Loading Effects in JHF Synchrotron (1998)

M. Yamamoto, E. Ezura, M. Fujieda, Y. Hashimoto, H. Kobayashi, H. Nakayama, ...

Beam loading effects on the rf system of JHF proton synchrotrons have been investigated by both computer simulation and experiment using a low energy electron beam. From the simulation results, it is...

50 MU as resolution VLBI images of AGN's at lambda 3 mm (1998)

Rantakyrö, F.T., Bååth, Lars B., Backer, D.C., Booth, R.S., Carlström, J.E., Emerson, D.T., ...

We present 15 images from the global mm-VLBI sessions in 1990 April at 100 GHz and 1993 April at 86 GHz. These observations probe the central engines of the 16 observed AGN's with up to 50 mu as...

Behaviour of Crack-Rate Sensitive Brittle Materials in Dynamic Lateral Compression (1997)

Kobayashi, H., Daimaruya, M.

In order to investigate the behaviour of brittle tubular materials in static and dynamic lateral compression tests (LC tests), an analytical technique including crack-rate sensitivity of brittle...

Impact Tensile Strength and Fracture of Concrete (1997)

Diamaruya, M., Kobayashi, H., Nonaka, T.

This paper is concerned with a new measuring method for impact tensile strength of brittle materials such as ceramics, concrete and so forth. The method is based on the superposition and...

Behaviour of Crack-Rate Sensitive Brittle Materials in Dynamic Lateral Compression (1997)

Kobayashi, H., Daimaruya, M.

In order to investigate the behaviour of brittle tubular materials in static and dynamic lateral compression tests (LC tests), an analytical technique including crack-rate sensitivity of brittle...

Impact Tensile Strength and Fracture of Concrete (1997)

Diamaruya, M., Kobayashi, H., Nonaka, T.

This paper is concerned with a new measuring method for impact tensile strength of brittle materials such as ceramics, concrete and so forth. The method is based on the superposition and...

BETS4CU2Cl6 and BETS2Fe0.75Ga0.25Cl4, New Organic Metals of the BETS Family: Synthesis, Structure, and Properties (1996)

Kushch, N., Dyachenko, O., Gritsenko, V., Pesotskii, S., Lubovskii, R., Cassoux, P., ...

BETS salts (where BETS is bis(ethylenedithio)tetraselenafulvalene) with the CuCl3, Cu2Cl6, (CuCl4)n and Fe0.75Ga0.25Cl4 anions have been synthesized. The physical properties of θ-BETS4Cu2Cl6 and...

Internal Friction and Creep-Recovery in Indium (1996)

Ledbetter, H., Sizova, N., Kim, S., Kobayashi, H., Sgobba, S., Parrini, L.

Using low-stress pseudoshear deformation, we measured the ambient-temperature creep-recovery behavior of polycrystalline indium. The ε-σ diagram shows three regions with increasing stress :...

Internal Friction of (SiO2)1-x (GeO2)x Glasses (1996)

Kosugi, T., Kobayashi, H., Kogure, Y.

Internal friction of (SiO2)1-x (GeO2)x glasses (x = 0, 5, 10, 24 and 100 mole%) is measured at temperatures between 1.6 and 280 K. The data are filted with the equations for thermally activated...

Polarized IR Reflectance Studies of the Organic Conductor k-(BETS)2FeCl4 (1996)

Olejniczak, I., Graja, A., Kushch, N., Cassoux, P., Kobayashi, H.

The infrared and Raman spectra of neutral bis(ethylenedithio)tetraselenafulvalene (BETS) as powder sample is reported. An assignment of the fundamental vibrational modes is presented and discussed;...

Study of Shear Viscosity of Amorphous Materials (1996)

Hiki, Y., Kobayashi, H., Takahashi, H.

Viscoelastic properties of amorphous solids deformed under uniform shear stress were studied using a kind of sandwich method with utilizing a sensitive optical technique. Time-dependent deformation...

BETS4CU2Cl6 and BETS2Fe0.75Ga0.25Cl4, New Organic Metals of the BETS Family: Synthesis, Structure, and Properties (1996)

Kushch, N., Dyachenko, O., Gritsenko, V., Pesotskii, S., Lubovskii, R., Cassoux, P., ...

BETS salts (where BETS is bis(ethylenedithio)tetraselenafulvalene) with the CuCl3, Cu2Cl6, (CuCl4)n and Fe0.75Ga0.25Cl4 anions have been synthesized. The physical properties of θ-BETS4Cu2Cl6 and...

Internal Friction and Creep-Recovery in Indium (1996)

Ledbetter, H., Sizova, N., Kim, S., Kobayashi, H., Sgobba, S., Parrini, L.

Using low-stress pseudoshear deformation, we measured the ambient-temperature creep-recovery behavior of polycrystalline indium. The ε-σ diagram shows three regions with increasing stress :...

Internal Friction of (SiO2)1-x (GeO2)x Glasses (1996)

Kosugi, T., Kobayashi, H., Kogure, Y.

Internal friction of (SiO2)1-x (GeO2)x glasses (x = 0, 5, 10, 24 and 100 mole%) is measured at temperatures between 1.6 and 280 K. The data are filted with the equations for thermally activated...

Polarized IR Reflectance Studies of the Organic Conductor k-(BETS)2FeCl4 (1996)

Olejniczak, I., Graja, A., Kushch, N., Cassoux, P., Kobayashi, H.

The infrared and Raman spectra of neutral bis(ethylenedithio)tetraselenafulvalene (BETS) as powder sample is reported. An assignment of the fundamental vibrational modes is presented and discussed;...

Study of Shear Viscosity of Amorphous Materials (1996)

Hiki, Y., Kobayashi, H., Takahashi, H.

Viscoelastic properties of amorphous solids deformed under uniform shear stress were studied using a kind of sandwich method with utilizing a sensitive optical technique. Time-dependent deformation...

SECONDARY AMYLOIDOSIS IN PATIENTS WITH RHEUMATOID ARTHRITIS: DIAGNOSTIC AND PROGNOSTIC VALUE OF GASTRODUODENAL BIOPSY (1996)

KOBAYASHI, H., TADA, S., FUCHIGAMI, T., OKUDA, Y., TAKASUGI, K., MATSUMOTO, T., ...

Upper gastrointestinal endoscopy was performed in patients with rheumatoid arthritis (RA) during the period 1989–1991, and biopsy specimens were obtained from the stomach and from the duodenum for...

Dynamic and quasi-static lateral compression tests of ceramics tubes (1994)

Kobayashi, H., Daimaruya, M.

In order to investigate the deformation of ceramics tube in lateral compression, a series of experiments was carried out at dynamic and static rates. It was observed that the load and deflection when...

Dynamic and quasi-static lateral compression tests of ceramics tubes (1994)

Kobayashi, H., Daimaruya, M.

In order to investigate the deformation of ceramics tube in lateral compression, a series of experiments was carried out at dynamic and static rates. It was observed that the load and deflection when...

Elastic small deflection analysis of annular sector mindlin plates. (1994)

Kobayashi, H., Turvey, G. J.

An analytical method is developed for the bending response of annular sector Mindlin plates with two radial edges simply supported, and exact solutions are presented in the form of Levy-type series....

PRESSURE EFFECT ON THE NEEL TEMPERATURE AND EXCHANGE STRICTION OF AN INTERMETALLIC COMPOUND DyMn2Ge2 (1988)

Kaneko, T., Yasui, H., Kanomata, T., Kobayashi, H., Onodera, H.

The pressure derivative of the Néel temperature dTN / dp of DyMn2Ge2 has been obtained from the results of temperature dependence of electrical resistivity under various pressures. The value of dTN...

PRESSURE EFFECT ON THE NEEL TEMPERATURE AND EXCHANGE STRICTION OF AN INTERMETALLIC COMPOUND DyMn2Ge2 (1988)

Kaneko, T., Yasui, H., Kanomata, T., Kobayashi, H., Onodera, H.

The pressure derivative of the Néel temperature dTN / dp of DyMn2Ge2 has been obtained from the results of temperature dependence of electrical resistivity under various pressures. The value of dTN...

New mutation causing hereditary hepatitis in the laboratory rat (1987)

Yoshida, M. C., Masuda, R., Sasaki, M., Takeichi, N., Kobayashi, H., Dempo, K., ...

A new mutant causing hereditary hepatitis associated with severe jaundica has been discovered in the LEC strain of rats. Hepatitis appears suddenly in adult rats three to four months after birth. The...

PROPAGATION OF NORMAL ZONE IN SUPERCONDUCTING WIRE IN CONDUIT FILLED WITH THE PRESSURIZED He II (1984)

Kobayashi, H., Yasukõchi, K., Usami, Y.

We have studied behaviors of the normal front propagation as well as the propagation of the interface between He I and He II which is induced by the joule heating in the conduit filled with the...

PROPAGATION OF NORMAL ZONE IN SUPERCONDUCTING WIRE IN CONDUIT FILLED WITH THE PRESSURIZED He II (1984)

Kobayashi, H., Yasukõchi, K., Usami, Y.

We have studied behaviors of the normal front propagation as well as the propagation of the interface between He I and He II which is induced by the joule heating in the conduit filled with the...

Variation and distribution of some cultivated Triticeae and associated weeds collected in Romania (1982)

S. SAKAMOTO, H. KOBAYASHI

Based on the "Preliminary report of comparative studies on the Agrico-Pastoral People in the South Western Eurasia", the results obtained by the research group from the Plant Germplasm Institute,...

Variation and distribution of some cultivated Triticeae and associated weeds collected in Romania (1982)

S. SAKAMOTO, H. KOBAYASHI

Based on the "Preliminary report of comparative studies on the Agrico-Pastoral People in the South Western Eurasia", the results obtained by the research group from the Plant Germplasm Institute,...

ESTIMATION OF FIRING TEMPERATURES OF ANCIENT ROOFING TILES BY Fe-57 MÖSSBAUER SPECTROSCOPY (1979)

Takeda, M., Kawakami, O., Kobayashi, H., Tominaga, T.

The Fe2+ quadrupole splitting value was found to be a useful parameter for estimation of the firing temperature of ancient ceramic artifacts manufactured in reducing atmospheres.

Characterisation and clinical usefulness of CA130 antigen recognised by monoclonal antibodies, 130-22 and 145-9, in ovarian cancers.

Kobayashi, H., Ohi, H., Fujii, T., Terao, T.

A new cancer-associated antigen CA130, recognised by two monoclonal antibodies (moABs) 130-22 and 145-9, was often found to be present at high levels in the sera of patients with ovarian cancer....

Saturation of tumour cell surface receptors for urokinase-type plasminogen activator by amino-terminal fragment and subsequent effect on reconstituted basement membranes invasion.

Kobayashi, H., Ohi, H., Shinohara, H., Sugimura, M., Fujii, T., Terao, T., ...

Single-chain urokinase-type plasminogen activator (pro-uPA) is bound to a specific surface receptor on ovarian cancer HOC-I cells that is incompletely saturated. Saturation of uncovered receptors by...

Similarity and co-expression of tumour-associated antigens recognised by different monoclonal antibodies.

Sakahara, H., Saga, T., Endo, K., Kousaka, T., Hosono, M., Kobayashi, H., ...

The concentration of carcinoembryonic antigen (CEA), CA130, CA125, SLX, CA19-9, SPan1, and tumour-associated glycoprotein 72 (TAG-72) in the culture supernatant of 15 cancer cell lines and in the...

Intratumoral induction of tumour necrosis factor by systemic administration of Bordetella pertussis vaccine.

Minagawa, H., Kobayashi, H., Yoshida, H., Teranishi, M., Morikawa, A., Abe, S., ...

Intratumoral induction of tumour necrosis factor (TNF) by administration of Bordetella pertussis vaccine (BPV) as compared with that by the agent OK-432 was investigated in mice. Two hours after such...

Application of boronated anti-CEA immunoliposome to tumour cell growth inhibition in in vitro boron neutron capture therapy model.

Yanagië, H., Tomita, T., Kobayashi, H., Fujii, Y., Takahashi, T., Hasumi, K., ...

An immunoliposome containing a 10B-compound has been examined as a selective drug delivery system in boron neutron-capture therapy. Liposomes, conjugated with monoclonal antibodies specific for...

Malignant progression of a mouse fibrosarcoma by host cells reactive to a foreign body (gelatin sponge).

Okada, F., Hosokawa, M., Hamada, J. I., Hasegawa, J., Kato, M., Mizutani, M., ...

The QR regressor tumour (QR-32), a fibrosarcoma which is unable to grow progressively in normal syngeneic C57BL/6 mice, was able to grow progressively in 13 out of 22 mice (59%) when it was...

Enhancement of in vitro prostaglandin E2 production by mouse fibrosarcoma cells after co-culture with various anti-tumour effector cells.

Okada, F., Hosokawa, M., Hasegawa, J., Kuramitsu, Y., Nakai, K., Yuan, L., ...

We have previously reported that an increase in the production of immunosuppressive prostaglandin E2 by a QR tumour (QR-32) is accompanied by progressive growth of the tumour in syngeneic C57BL/6...

Anti-metastatic therapy by urinary trypsin inhibitor in combination with an anti-cancer agent.

Kobayashi, H., Shinohara, H., Gotoh, J., Fujie, M., Fujishiro, S., Terao, T.

We have demonstrated that urinary trypsin inhibitor (UTI) purified from human urine is able to inhibit lung metastasis of mouse Lewis lung carcinoma (3LL) cells in experimental and spontaneous...

Inhibition of human pancreatic cancer growth in nude mice by boron neutron capture therapy.

Yanagië, H., Tomita, T., Kobayashi, H., Fujii, Y., Nonaka, Y., Saegusa, Y., ...

Immunoliposomes were prepared by conjugating anti-carcinoembryonic antigen (CEA) monoclonal antibody with liposomes containing [10B]compound. These immunoliposomes were shown to bind selectively to...

Clinical significance of heparin-binding epidermal growth factor-like growth factor in peritoneal fluid of ovarian cancer

Yagi, H, Miyamoto, S, Tanaka, Y, Sonoda, K, Kobayashi, H, Kishikawa, T, ...

Epidermal growth factor receptor (EGFR) has been implicated in tumour growth and extension of ovarian cancer. Peritoneal fluid in ovarian cancer patients contains various growth factors that can...

Induction of apoptosis in myeloid leukaemic cells by ribozymes targeted against AML1/MTG8

Matsushita, H, Kizaki, M, Kobayashi, H, Muto, A, Ikeda, Y

The translocation (8;21)(q22;q22) is a karyotypic abnormality detected in acute myeloid leukaemia (AML) M2 and results in the formation of the chimeric fusion gene AML1/MTG8. We previously reported...