Chiral properties of light mesons with $N_f=2+1$ overlap fermions (2009)
Noaki, TWQCD Collaborations: J., Aoki, S., Chiu, T. W., Fukaya, H., Hashimoto, S., ...
We present an update of the light meson spectrum with $N_f$=2+1 overlap fermions on a $16^3\times 48$ lattice at five different up and down quark masses and two strange quark masses. Based on our...
Calculation of nucleon strange quark content with dynamical overlap quarks (2009)
Takeda, JLQCD Collaboration: K., Aoki, S., Hashimoto, S., Kaneko, T., Onogi, T., Yamada, N.
We calculate the nucleon strange quark content directly from disconnected three-point functions. Numerical simulations are carried out in two-flavor QCD using the overlap quark action with up and...
Flavor-singlet mesons in N_f=2+1 QCD with dynamical overlap quarks (2009)
Kaneko, TWQCD Collaborations: T., Aoki, S., Chiu, T. W., Fukaya, H., Hashimoto, S., ...
We report on our study of flavor-singlet mesons in three-flavor QCD with dynamical overlap quarks. Gauge ensembles are generated on a 16^3 x 48 lattice at a lattice spacing of 0.10 fm with the...
Ohki, H., Aoki, S., Fukaya, H., Hashimoto, S., Kaneko, T., Matsufuru, H., ...
We study the sigma term and the strange quark content of nucleon in 2+1-flavor QCD with dynamical overlap fermions. We analyze the lattice data of nucleon mass taken at two different strange quark...
Hashimoto, S., Ogata, K., Chiba, S., Yahiro, M.
We propose a new method for evaluating incomplete and complete fusion cross sections separately using the Continuum-Discretized Coupled-Channels method. This method is applied to analysis of the...
Upper critical fields and critical current density of BaFe2(As0.68P0.32)2 single crystal (2009)
Chong, S V, Hashimoto, S, Kadowaki, K
The transport properties, upper critical fields, superconducting anisotropy, and critical current density in an iso-valent phosphorus-doped BaFe2As2 single crystal close to optimum doping are...
Non-perturbative renormalization of bilinear operators with dynamical overlap fermions (2009)
Noaki, J., Chiu, T. W., Fukaya, H., Hashimoto, S., Matsufuru, H., Onogi, T., ...
Using the non-perturbative renormalization technique, we calculate the renormalization factors for quark bilinear operators made of overlap fermions on the lattice. The background gauge field is...
Pion form factors from two-flavor lattice QCD with exact chiral symmetry (2009)
Aoki, TWQCD Collaborations: S., Chiu, T. W., Fukaya, H., Hashimoto, S., Hsieh, T. H., ...
We calculate pion vector and scalar form factors in two-flavor lattice QCD and study the chiral behavior of the vector and scalar radii _{V,S}. Numerical simulations are carried out on a 16^3 x 32...
Y. Tohjima, H. Mukai, S. Hashimoto, P. K. Patra
In-situ observations of atmospheric CO2 and CH4 at Hateruma Island, Japan show large synoptic scale variations during a 6-month period from November to April, when the sampled air is predominantly of...
Y. Tohjima, H. Mukai, S. Hashimoto, P. K. Patra
In-situ observations of atmospheric CO<sub>2</sub> and CH<sub>4</sub> at Hateruma Island, Japan show large synoptic scale variations during a 6-month period from November to...
T. Kaburagi, D. Muramatsu, S. Hashimoto, M. Sasaki, T. Matsumoto
A new algorithm is proposed for predicting transmembrane regions from two dimensional vector trajectories consisting of hydropathy index and charge of a test amino acid sequence by stochastic...
Ohki, H., Fukaya, H., Hashimoto, S., Matsufuru, H., Noaki, J., Onogi, T., ...
We present a calculation of the nucleon sigma term on two-flavor QCD configurations with dynamical overlap fermions. We analyse the lattice data for the nucleon mass using the baryon chiral...
Pion vector and scalar form factors with dynamical overlap quarks (2008)
Kaneko, TWQCD Collaborations: T., Aoki, S., Chiu, T. W., Fukaya, H., Hashimoto, S., ...
We calculate the pion vector and scalar form factors in two-flavor QCD. Gauge configurations are generated with dynamical overlap quarks on a 16^3 x 32 lattice at a lattice spacing of 0.12 fm with...
Light meson spectrum with $N_f=2+1$ dynamical overlap fermions (2008)
Noaki, J., Aoki, S., Chiu, T. W., Fukaya, H., Hashimoto, S., Hsieh, T. H., ...
We report on a numerical simulation with 2+1 dynamical flavors of overlap fermions. We calculate pseudo-scalar masses and decay constants on a $16^3\times 48 \times (0.11 {\rm fm})^4$ lattice at five...
Topological susceptibility in (2+1)-flavor lattice QCD with overlap fermion (2008)
Chiu, T. W., Aoki, S., Hashimoto, S., Hsieh, T. H., Kaneko, T., Matsufuru, H., ...
We determine the topological susceptibility \chi_t in the topologically-trivial sector generated by lattice simulations of N_f = 2+1 QCD with overlap Dirac fermion, on a 16^3 x 48 lattice with...
Lattice calculation of strong coupling constant from vacuum polarization functions (2008)
Shintani, E., Aoki, S., Chiu, T. W., Hashimoto, S., Hsieh, T. H., Kaneko, T., ...
We calculate the vacuum polarization functions on the lattice with exact chiral symmetry. By matching the lattice data at large momentum scales with the perturbative expansion supplemented by...
Nucleon sigma term and strange quark content from lattice QCD with exact chiral symmetry (2008)
Ohki, H., Fukaya, H., Hashimoto, S., Kaneko, T., Matsufuru, H., Noaki, J., ...
We calculate the nucleon sigma term in two-flavor lattice QCD utilizing the Feynman-Hellman theorem. Both sea and valence quarks are described by the overlap fermion formulation, which preserves...
S-parameter and pseudo-Nambu-Goldstone boson mass from lattice QCD (2008)
Shintani, E., Aoki, S., Fukaya, H., Hashimoto, S., Kaneko, T., Matsufuru, H., ...
We present a lattice calculation of $L_{10}$, one of the low energy constants in Chiral Perturbation Theory, and the charged-neutral pion squared mass splitting, using dynamical overlap fermion....
Topological susceptibility in 2-flavor lattice QCD with fixed topology (2008)
Chiu, T. W., Aoki, S., Fukaya, H., Hashimoto, S., Hsieh, T. H., Kaneko, T., ...
We determine the topological susceptibility $ \chi_t $ in the trivial topological sector generated by lattice simulations of two-flavor QCD with overlap Dirac fermion, on a $16^3 \times 32$ lattice...
Convergence of the chiral expansion in two-flavor lattice QCD (2008)
Noaki, J., Aoki, S., Chiu, T. W., Fukaya, H., Hashimoto, S., Hsieh, T. H., ...
We test the convergence property of the chiral perturbation theory (ChPT) using a lattice QCD calculation of pion mass and decay constant with two dynamical quark flavors. The lattice calculation is...
Two-flavor QCD simulation with exact chiral symmetry (2008)
Aoki, JLQCD Collaboration: S., Fukaya, H., Hashimoto, S., Ishikawa, K-I., Kanaya, K., Kaneko, T., ...
We perform numerical simulations of lattice QCD with two flavors of dynamical overlap quarks, which have exact chiral symmetry on the lattice. While this fermion discretization is computationally...
B_K with two flavors of dynamical overlap fermions (2008)
Aoki, S., Fukaya, H., Hashimoto, S., Noaki, J., Kaneko, T., Matsufuru, H., ...
We present a two-flavor QCD calculation of $B_K$ on a $16^3 \times 32$ lattice at $a\sim 0.12$ fm (or equivalently $a^{-1}\sim$1.67 GeV). Both valence and sea quarks are described by the overlap...
The Physcomitrella genome reveals evolutionary insights into the conquest of land by plants (2008)
Rensing, S. A., Lang, D., Zimmer, A. D., Terry, A., Salamov, A., Shapiro, H., ...
The Physcomitrella genome reveals evolutionary insights into the conquest of land by plants. (2008)
RENSING, SA, LANG, D, ZIMMER, AD, TERRY, A, SALAMOV, A, SHAPIRO, H, ...
Lattice study of meson correlators in the epsilon-regime of two-flavor QCD (2007)
Fukaya, JLQCD Collaboration: H., Aoki, S., Hashimoto, S., Kaneko, T., Matsufuru, H., Noaki, J., ...
We calculate mesonic two-point functions in the epsilon-regime of two-flavor QCD on the lattice with exact chiral symmetry. We use gauge configurations of size 16^3 32 at the lattice spacing a \sim...
Meson correlators in the epsilon-regime of two-flavor lattice QCD (2007)
Aoki, S., Hashimoto, S., Kaneko, T., Matsufuru, H., Noaki, J., ...
We calculate the meson correlators in the $\epsilon$-regime of two-flavor QCD. On a $16^3\times 32$ lattice with $a\sim 0.11$ fm, the lattice simulations are performed with the dynamical overlap...
Pion form factor from all-to-all propagators of overlap quarks (2007)
Kaneko, JLQCD Collaboration: T., Fukaya, H., Hashimoto, S., Matsufuru, H., Noaki, J., Onogi, T., ...
We report on our calculation of the pion electromagnetic form factor with two-flavors of dynamical overlap quarks. Gauge configurations are generated using the Iwasaki gauge action on a 16^3 \times...
Light meson spectrum with $N_f=2$ dynamical overlap fermions (2007)
Noaki, J., Aoki, S., Fukaya, H., Hashimoto, S., Kaneko, T., Matsufuru, H., ...
We present numerical simulation of QCD with two dynamical quark flavors described by the overlap fermion action on a $16^3\times 32\times (0.12 {\rm fm})^4$ lattice. We calculate pseudo-scalar masses...
Topological susceptibility in two-flavor lattice QCD with exact chiral symmetry (2007)
Aoki, S., Chiu, T. W., Fukaya, H., Hashimoto, S., Hsieh, T. H., Kaneko, T., ...
We determine the topological susceptibility $\chi_t$ in two-flavor QCD using the lattice simulations at a fixed topological sector. The topological charge density is unambiguously defined on the...
B_K with dynamical overlap fermions (2007)
Yamada, JLQCD Collaboration: N., Aoki, S., Fukaya, H., Hashimoto, S., Noaki, J., Kaneko, T., ...
We report on a calculation of $B_K$ with two-flavor dynamical overlap fermions on a $16^3 \times 32$ lattice at $a\sim 0.12$ fm. The results are compared with the PQChPT prediction of quark mass...
Pion mass difference from vacuum polarization (2007)
Shintani, JLQCD Collaboration: E., Fukaya, H., Hashimoto, S., Matsufuru, H., Noaki, J., Onogi, T., ...
We calculate the electromagnetic contribution to the pion mass difference, $\Delta m^2_\pi=m^2_{\pi^+}-m^2_{\pi^0}$, in the chiral limit through the $VV-AA$ type vacuum polarization using...
Two-flavor lattice QCD in the epsilon-regime and chiral Random Matrix Theory (2007)
Fukaya, TWQCD Collaboration: H., Aoki, S., Chiu, T. W., Hashimoto, S., Kaneko, T., ...
The low-lying eigenvalue spectrum of the QCD Dirac operator in the epsilon-regime is expected to match with that of chiral Random Matrix Theory (ChRMT). We study this correspondence for the case...
Light quark masses from unquenched lattice QCD (2007)
Aoki, S., Fukugita, M., Hashimoto, S., Ishikawa, K-I., Ishizuka, N., ...
We calculate the light meson spectrum and the light quark masses by lattice QCD simulation, treating all light quarks dynamically and employing the Iwasaki gluon action and the nonperturbatively...
Kaneko, Takashi, Aoki, S, Della Morte, M, Hashimoto, S, Hoffmann, R, Sommer, R
We perform a non-perturbative determination of the improvement coefficient c_A to remove O(a) discretization errors in the axial vector current in three-flavor lattice QCD with the Iwasaki gauge...
Kaneko, T., Aoki, S., Della Morte, M., Hashimoto, S., Hoffmann, R., Sommer, R.
We perform a non-perturbative determination of the improvement coefficient c_A to remove O(a) discretization errors in the axial vector current in three-flavor lattice QCD with the Iwasaki gauge...
Two-flavor lattice QCD simulation in the epsilon-regime with exact chiral symmetry (2007)
Fukaya, JLQCD Collaboration: H., Aoki, S., Chiu, T. W., Hashimoto, S., Kaneko, T., Matsufuru, H., ...
We perform lattice simulations of two-flavor QCD using Neuberger's overlap fermion, with which the exact chiral symmetry is realized at finite lattice spacings. The epsilon-regime is reached by...
T. Kaneko, S. Aoki, M. Della Morte, S. Hashimoto, R. Hoffmann, ...
Journal article
Hashimoto, S., Murata, Y., Kikkawa, M., Sonoda, M., Oku, H., Murata, T., ...
We report here the first case of successful pregnancy and delivery after the blastocyst transfer of twice-vitrified embryos produced following in vitro maturation (IVM) and ICSI. The patient received...
Analysis of (K^-,K^+) inclusive spectrum with semiclassical distorted wave model (2006)
Hashimoto, S., Kohno, M., Ogata, K., Kawai, M.
The inclusive K^+ momentum spectrum in the 12C(K^-,K^+) reaction is calculated by the semiclassical distorted wave (SCDW) model, including the transition to the \Xi^- bound state. The calculated...
Direct observation and reactions of Cl-3 radical (2006)
Enami, S, Yamanaka, T, Hashimoto, S, Kawasaki, M, Aloisio, S, Tachikawa, H
Aoki, S., Fukugita, M., Hashimoto, S., Ishizuka, N., ...
We present a summary of results of the joint CP-PACS and JLQCD project toward a 2+1 flavor full QCD simulation with the O(a)-improved Wilson quark formalism and the Iwasaki gauge action....
JLQCD's dynamical overlap project (2006)
Kaneko, JLQCD Collaboration: T., Aoki, S., Fukaya, H., Hashimoto, S., Ishikawa, K-I., Kanaya, K., ...
We present an overview of our project of large-scale simulations with dynamical overlap fermions. The first production run in two-flavor QCD is on-going using the Iwasaki gauge action on a 16^3...
Dynamical overlap fermions in the epsilon-regime (2006)
Fukaya, JLQCD Collaboration: H., Hashimoto, S., Kanaya, K., Kaneko, T., Matsufuru, H., Ogawa, K., ...
We report on the two-flavor QCD simulation in the epsilon-regime using the overlap fermion formulation. Sea quark mass is reduced to ~ 2 MeV on a 16^3x32 lattice with the lattice spacing ~ 0.11fm....
Hayashi, M, Mizoguchi, H, Ohnishi, J, Mitsuhashi, S, Yonetani, Y, Hashimoto, S, ...
The original publication is available at www.springerlink.com.
Yamada, JLQCD Collaboration: N., Aoki, S., Fukaya, H., Hashimoto, S., Ishikawa, K-I., Kanaya, K., ...
We perform a systematic study of low-lying eigenmodes of $H_w$ with various gauge actions to find the optimal choice for dynamical overlap fermion simulations, with which one may achieve lower...
Lattice gauge action suppressing near-zero modes of H_W (2006)
Fukaya, JLQCD Collaboration: H., Hashimoto, S., Kaneko, T., Matsufuru, H., Onogi, T., ...
We propose a lattice action including unphysical Wilson fermions with a negative mass m_0 of the order of the inverse lattice spacing. With this action, the exact zero mode of the hermitian...
発達障害児の不合理絵課題における状況理解能力の発達特性 (2006)
堀江, 美喜子, 橋本, 創一, ホリエ, ミキコ, ハシモト, ソウイチ, HORIE, M., HASHIMOTO, S., ...
重度の知的障害を伴う成人期発達障害者における実行機能の特徴 : Dimensional Change Card Sort課題を用いた検討 (2006)
浮穴, 寿香, 橋本, 創一, 出口, 利定, ウケナ, ヨシカ, ハシモト, ソウイチ, デクチ, トシサダ, ...
Buffer-gas pressure broadening for the (30(0)1)(III) (2006)
Nakamichi, S, Kawaguchi, Y, Fukuda, H, Enami, S, Hashimoto, S, Kawasaki, M, ...
Kinetic study of the ClOO plus NO reaction using cavity ring-down spectroscopy (2006)
Enami, S, Hoshino, Y, Ito, Y, Hashimoto, S, Kawasaki, M, Wallington, TJ
Direct observation and reactions of Cl-3 radical (2006)
Enami, S, Yamanaka, T, Hashimoto, S, Kawasaki, M, Aloisio, S, Tachikawa, H
Hashimoto, S., Murata, Y., Kikkawa, M., Sonoda, M., Oku, H., Murata, T., ...
We report here the first case of successful pregnancy and delivery after the blastocyst transfer of twice-vitrified embryos produced following in vitro maturation (IVM) and ICSI. The patient received...
Hashimoto, S., Murata, Y., Kikkawa, M., Sonoda, M., Oku, H., Murata, T., ...
We report here the first case of successful pregnancy and delivery after the blastocyst transfer of twice-vitrified embryos produced following in vitro maturation (IVM) and ICSI. The patient received...
Topology conserving gauge action and the overlap-Dirac operator (2005)
Fukaya, H, Hashimoto, S, Hirohashi, T, Ogawa, K, Onogi, T
We apply the topology conserving gauge action proposed by Luescher to the four-dimensional lattice QCD simulation in the quenched approximation. With this gauge action the topological charge is...
Topology conserving gauge action and the overlap-Dirac operator (2005)
Fukaya, H., Hashimoto, S., Hirohashi, T., Ogawa, K., Onogi, T.
We apply the topology conserving gauge action proposed by Luescher to the four-dimensional lattice QCD simulation in the quenched approximation. With this gauge action the topological charge is...
Overlap fermion with the topology conserving gauge action (2005)
Fukaya, H., Hashimoto, S., Hirohashi, T., Matsufuru, H., Ogawa, K., Onogi, T.
We investigate the distribution of low-lying eigenmodes of hermitian Wilson-Dirac operator, $H_W$, with the gauge action whose form is designed to avoid topology change, as well as with the standard...
Kaon semileptonic decay form factors in two-flavor QCD (2005)
Tsutsui, JLQCD Collaboration: N., Aoki, S., Fukugita, M., Hashimoto, S., Ishikawa, K-I., Ishizuka, N., ...
We present a calculation of the kaon form factors in two-flavor QCD with the non-perturbatively $O(a)$-improved Wilson quark action. In order to achieve a few percent accuracy in the study of SU(3)...
Fukaya, H., Onogi, T., Hashimoto, S., Hirohashi, T., Ogawa, K.
The topology conserving gauge action proposed by Luescher is expected to reduce the number of non-smooth gauge configurations as well as the topology change compared to the conventional actions for...
Light hadron spectrum and quark masses in 2+1 flavor QCD (2005)
Ishikawa, JLQCD Collaborations: T., Aoki, S., Bär, O., Fukugita, M., Hashimoto, S., ...
CP-PACS and JLQCD collaborations are carrying out a joint project of the 2+1 flavor full QCD simulation. Gauge configurations are generated for the non-perturbatively $O(a)$-improved Wilson quark...
Aoki, JLQCD Collaborations: S., Fukugita, M., Hashimoto, S., Ishikawa, K-I., Ishizuka, N., ...
We perform a nonperturbative determination of the $O(a)$-improvement coefficient $c_{\rm SW}$ and the critical hopping parameter $\kappa_c$ for $N_f$=3, 2, 0 flavor QCD with the RG-improved gauge...
Ogata, K., Hashimoto, S., Iseri, Y., Kamimura, M., Yahiro, M.
The astrophysical factor for 7Be(p,\gamma)8B at zero energy, S17(0), is determined from an analysis of 208Pb(8B, p+7Be)208Pb at 52 MeV/nucleon by means of the method of continuum-discretized...
The Discovery Potential of a Super B Factory (2005)
Hewett, JoAnne. L., Hitlin, David G., Abe, T., Agashe, K., Albert, J., Ali, A., ...
The Proceedings of the 2003 SLAC Workshops on flavor physics with a high luminosity asymmetric e+e- collider. The sensitivity of flavor physics to physics beyond the Standard Model is addressed in...
Type IX collagen is crucial for normal hearing (2005)
Asamura, K., Abe, S., Imamura, Y., Aszodi, A., Suzuki, N., Hashimoto, S., ...
Light hadron spectrum in 2+1 flavor full QCD by CP-PACS and JLQCD Collaborations (2004)
Ishikawa, T., Aoki, S., Fukugita, M., Hashimoto, S., Ishikawa, K-I., Ishizuka, N., ...
CP-PACS and JLQCD Collaborations are carrying out a joint project of the 2+1 flavor full QCD with the RG-improved gauge action and the non-perturbatively ${\cal O}(a)$-improved Wilson quark action....
Aoki, JLQCD Collaboration: S., Fukugita, M., Hashimoto, S., Ishikawa, K-I., Ishizuka, N., Iwasaki, Y., ...
Three-flavor QCD simulation with the $O(a)$-improved Wilson fermion action is made employing an exact fermion algorithm developed for odd number of quark flavors. For the plaquette gauge action, an...
Current levels of dioxins in surface soils from Santiago, Chile (2004)
Takazawa, Y., Verdugo, R., Richter D., Pablo, Kitamura, K., Choi, J. W., Hashimoto, S., ...
Physics at Super B Factory (2004)
Akeroyd, A. G., Bartel, W., Bondar, A., Browder, T. E., Drutskoy, A., Enari, Y., ...
This report presents the results of studies that investigate the physics reach at a Super B factory, an asymmetric-energy e^+e^- collider with a design luminosity of 5 x 10^35 cm^-2s^-1, which is...
Yamada, JLQCD Collaborations: N., Aoki, S., Fukugita, M., Hashimoto, S., Ishikawa, K-I., ...
We perform a non-perturbative determination of the O(a)-improvement coefficient c_SW for the Wilson quark action in three-flavor QCD with the plaquette gauge action. Numerical simulations are carried...
Yogi, M., Kitaoka, Y., Hashimoto, S., Yasuda, T., Settai, R., Matsuda, T. D., ...
We report on novel antiferromagnetic (AFM) and superconducting (SC) properties of noncentrosymmetric CePt3Si through measurements of the 195Pt nuclear spin-lattice relaxation rate 1/T_1. In the...
Aoki, S., Burkhalter, R., Fukugita, M., Hashimoto, S., ...
Renormalization constants ($Z$-factors) of vector and axial-vector currents are determined non-perturbatively in quenched QCD for a renormalization group improved gauge action and a tadpole improved...
Lattice QCD calculation of the proton decay matrix element in the continuum limit (2004)
Tsutsui, JLQCD Collaborations: N., Aoki, S., Fukugita, M., Hashimoto, S., Ishikawa, K-I., ...
We present a quenched lattice QCD calculation of the \alpha and \beta parameters of the proton decay matrix element. The simulation is carried out using the Wilson quark action at three values of the...
Formation of iodine monoxide radical from the reaction of CH2I with O-2 (2004)
Enami, S, Ueda, J, Goto, M, Nakano, Y, Aloisio, S, Hashimoto, S, ...
Equilibrium constants of the reaction of Cl with O-2 in the formation of ClOO (2004)
Suma, K, Sumiyoshi, Y, Endo, Y, Enami, S, Aloisio, S, Hashimoto, S, ...
The CKM Matrix and the unitary triangle (2003)
Battaglia, M., Buras, A.J., Gambino, P., Stocchi, A., Abbaneo, D., Ali, A., ...
This report contains the results of the Workshop on the CKM Unitarity Triangle, held at CERN on 13-16 February 2002 to study the determination of the CKM matrix from the available data of K, D, and B...
Aoki, S., Fukugita, M., Hashimoto, S., Ishizuka, N., ...
The non-perturbative $\csw$ determined by the Schr\"{o}dinger functional (SF) method with the RG-improved gauge action in dynamical $N_f=3$ QCD shows a finite volume effect when the numerical...
Continuum limit of proton decay matrix elements in quenched lattice QCD (2003)
Tsutsui, JLQCD Collaborations: N., Aoki, S., Fukugita, M., Hashimoto, S., Ishikawa, K-I., ...
We present a lattice QCD calculation of the parameters \alpha and \beta which are necessary in the theoretical estimation of the proton lifetime in grand unified theories (GUTs) using chiral...
Light hadron spectrum in three-flavor QCD with O(a)-improved Wilson quark action (2003)
Kaneko, JLQCD Collaboration: T., Aoki, S., Fukugita, M., Hashimoto, S., Ishikawa, K-I., ...
We report on a calculation of the light hadron spectrum and quark masses in three-flavor dynamical QCD using the non-perturbatively O(a)-improved Wilson quark action and a renormalization-group...
B-Bbar mixing in unquenched lattice QCD (2003)
Aoki, JLQCD Collaboration: S., Fukugita, M., Hashimoto, S., Ishikawa, K-I., Ishizuka, N., Iwasaki, Y., ...
We present an unquenched lattice calculation for the $B^0-\bar{B}^0$ transition amplitude. The calculation, carried out at an inverse lattice spacing $1/a$ = 2.22(4) GeV, incorporates two flavors of...
Heavy quark expansion parameters from lattice NRQCD (2003)
Aoki, JLQCD Collaboration: S., Fukugita, M., Hashimoto, S., Ishikawa, K-I., Ishizuka, N., Iwasaki, Y., ...
We present a lattice QCD calculation of the heavy quark expansion parameters $\mu_{\pi}^2$ and $\mu_G^2$ for heavy-light mesons and heavy-light-light baryons. The calculation is carried out on a...
The CKM Matrix and the Unitarity Triangle (2003)
Battaglia, Marco, Yamanda, N, Willocq, S, Wilkinson, G, Wilden, L H, Weiser, C, ...
This report contains the results of the Workshop on the CKM Unitarity Triangle, held at CERN on 13-16 February 2002 to study the determination of the CKM matrix from the available data of K, D, and B...
The CKM Matrix and the Unitarity Triangle (2003)
Battaglia, M., Buras, A. J., Gambino, P., Stocchi, A., Abbaneo, D., Ali, A., ...
This report contains the results of the Workshop on the CKM Unitarity Triangle, held at CERN on 13-16 February 2002 to study the determination of the CKM matrix from the available data of K, D, and B...
CKM elements from tree-level B decays and lifetimes (2003)
Artuso, M., Battaglia, M., Bauer, C., Becirevic, D., Beneke, M., Bigi, I., ...
CKM elements from tree-level B decays and lifetimes (2003)
Artuso, M., Battaglia, M., Bauer, C., Becirevic, D., Beneke, M., Bigi, I., ...
Panel discussion on chiral extrapolation of physical observables (2003)
Bernard, C., Hashimoto, S., Leinweber, Derek Bruce, Lepage, P., Pallante, E., Sharpe, S. R., ...
Claude Bernard, Shoji Hashimoto, Derek B. Leinweber, Peter Lepage, Elisabetta Pallante, Stephen R. Sharpe (chair), and Hartmut Wittig
Panel discussion on chiral extrapolation of physical observables (2003)
Bernard, C., Hashimoto, S., Leinweber, Derek Bruce, Lepage, P., Pallante, E., Sharpe, S. R., ...
Claude Bernard, Shoji Hashimoto, Derek B. Leinweber, Peter Lepage, Elisabetta Pallante, Stephen R. Sharpe (chair), and Hartmut Wittig
Light hadron spectroscopy with two flavors of $O(a)$-improved dynamical quarks (2002)
Aoki, JLQCD Collaboration: S., Burkhalter, R., Fukugita, M., Hashimoto, S., Ishikawa, K-I., Ishizuka, N., ...
We present a high statistics study of the light hadron spectrum and quark masses in QCD with two flavors of dynamical quarks. Numerical simulations are carried out using the plaquette gauge action...
Non-Perturbative Determination of $c_{\rm SW}$ in Three-flavor Dynamical QCD (2002)
Aoki, JLQCD Collaborations: S., Fukugita, M., Hashimoto, S., Ishikawa, K-I., Ishizuka, N., ...
We present a fully non-perturbative determination of the $O(a)$ improvement coefficient $c_{\rm SW}$ in three-flavor dynamical QCD for the RG improved as well as the plaquette gauge actions, using...
I=2 Pion Scattering Phase Shift with Wilson Fermions (2002)
Fukugita, M., Hashimoto, S., Ishikawa, K-I., Ishizuka, N., Iwasaki, Y., ...
We present a lattice QCD calculation of the scattering phase shift for the I=2 $S$-wave two-pion system using the finite size method proposed by L\"uscher. We work in the quenched approximation...
An exact Polynomial Hybrid Monte Carlo algorithm for dynamical Kogut-Susskind fermions (2002)
Fukugita, M., Hashimoto, S., Ishizuka, N., Iwasaki, Y., Kanaya, K., ...
We present a polynomial Hybrid Monte Carlo (PHMC) algorithm as an exact simulation algorithm with dynamical Kogut-Susskind fermions. The algorithm uses a Hermitian polynomial approximation for the...
I=2 Pion Scattering Phase Shift with Wilson Fermions (2002)
Fukugita, M., Hashimoto, S., Ishikawa, K-I., Ishizuka, N., Iwasaki, Y., ...
We present results of phase shift for I=2 $S$-wave $\pi\pi$ system with the Wilson fermions in the quenched approximation. The finite size method proposed by L\"uscher is employed, and calculations...
Kaneko, JLQCD Collaboration: T., Aoki, S., Burkhalter, R., Fukugita, M., Hashimoto, S., Ishikawa, K-I., ...
We present the final results of the JLQCD calculation of the light hadron spectrum and quark masses with two flavors of dynamical quarks using the plaquette gauge action and fully $O(a)$-improved...
An Exact Algorithm for Any-flavor Lattice QCD with Kogut-Susskind Fermion (2002)
Aoki, JLQCD Collaboration: S., Fukugita, M., Hashimoto, S., Ishikawa, K-I., Ishizuka, N., Iwasaki, Y., ...
We propose an exact simulation algorithm for lattice QCD with dynamical Kogut-Susskind fermion in which the N_f-flavor fermion operator is defined as the N_f/4-th root of the Kogut-Susskind (KS)...
$B^0-\bar{B}^0$ mixing in quenched lattice QCD (2002)
Aoki, JLQCD Collaboration: S., Fukugita, M., Hashimoto, S., Ishikawa, K-I., Ishizuka, N., Iwasaki, Y., ...
We present our results of lattice calculations of $B$ parameters, which parameterize $\Delta B$=2 transition amplitudes together with the leptonic decay constant. Calculations are made in the...
I=2 Pion Scattering Length with the Wilson Fermion (2002)
Aoki, JLQCD Collaboration: S., Fukugita, M., Hashimoto, S., Ishikawa, K-I., Ishizuka, N., Iwasaki, Y., ...
The calculation of the I=2 pion scattering length in quenched lattice QCD is revisited. The calculation is carried out with the Wilson fermion action employing L\"uscher's finite size scaling method...
Light Hadron Spectrum and Quark Masses from Quenched Lattice QCD (2002)
Boyd, G., Burkhalter, R., Ejiri, S., Fukugita, M., Hashimoto, S., ...
We present details of simulations for the light hadron spectrum in quenched QCD carried out on the CP-PACS parallel computer. Simulations are made with the Wilson quark action and the plaquette gauge...
Tonokura, K, Norikane, Y, Koshi, M, Nakano, Y, Nakamichi, S, Goto, M, ...
Suzuki, H., Asano, K., Eiro, M., Kuriki, M., Hashimoto, S., Katoh, T., ...
Polynomial Hybrid Monte Carlo algorithm for lattice QCD with an odd number of flavors (2001)
Aoki, JLQCD Collaboration: S., Burkhalter, R., Fukugita, M., Hashimoto, S., Ishikawa, K-I., Ishizuka, N., ...
We present a polynomial hybrid Monte Carlo (PHMC) algorithm for lattice QCD with odd numbers of flavors of O(a)-improved Wilson quark action. The algorithm makes use of the non-Hermitian Chebyshev...
Charmonium Spectrum from Quenched Anisotropic Lattice QCD (2001)
Aoki, S., Burkhalter, R., Ejiri, S., Fukugita, M., Hashimoto, S., ...
We present a detailed study of the charmonium spectrum using anisotropic lattice QCD. We first derive a tree-level improved clover quark action on the anisotropic lattice for arbitrary quark mass....
Non-perturbative renormalization in domain-wall QCD by Schr\"odinger functional scheme (2001)
Aoki, Y., Ejiri, S., Fukugita, M., Hashimoto, S., Ishizuka, N., ...
We formulate and numerically test the Schr\"odinger functional scheme for domain-wall QCD. We then apply it to a non-perturbative calculation of the renormalization factors for vector and...
Simone, J. N., Hashimoto, S., Kronfeld, A. S., Mackenzie, P. B., Ryan, S. M.
We summarize our lattice QCD study of the form factor at zero recoil in the decay anti-B --> D* lepton anti-neutrino. After careful consideration of all sources of systematic uncertainty, we find,...
Heavy quark expansion parameters from lattice NRQCD (2001)
Tsutsui, JLQCD Collaboration: N., Aoki, S., Burkhalter, R., Fukugita, M., Hashimoto, S., Ishikawa, K-I., ...
Using the lattice NRQCD action for heavy quark, we calculate the heavy quark expansion parameters $\mu_{\pi}^2$ and $\mu_G^2$ for heavy-light mesons and heavy-light-light baryons. The results are...
Exploration of sea quark effects in two-flavor QCD with the O(a)-improved Wilson quark action (2001)
Aoki, JLQCD Collaboration: S., Burkhalter, R., Fukugita, M., Hashimoto, S., Ishikawa, K-I., Ishizuka, N., ...
We explore sea quark effects in the light hadron mass spectrum in a simulation of two-flavor QCD using the nonperturbatively O(a)-improved Wilson fermion action. In order to identify finite-size...
I=2 Pion Scattering Length and Phase Shift with Wilson Fermions (2001)
Burkhalter, R., Fukugita, M., Hashimoto, S., Ishizuka, N., Iwasaki, Y., ...
We present preliminary results of scattering length and phase shift for I=2 S-wave $\pi\pi$ system with the Wilson fermions in the quenched approximation. The finite size method presented by...
Chiral property of domain-wall fermion from eigenvalues of 4D Wilson-Dirac Operator (2001)
Aoki, Y., Burkhalter, R., Ejiri, S., Fukugita, M., Hashimoto, S., ...
We investigate a chiral property of the domain-wall fermion (DWF) system using the four-dimensional hermitian Wilson-Dirac operator $H_W$. A formula expressing the Ward-Takahashi identity quark mass...
Burkhalter, R., Fukugita, M., Hashimoto, S., Ishizuka, N., Iwasaki, Y., ...
Employing the maximum entropy method we extract the spectral functions from meson correlators at four lattice spacings in quenched QCD with the Wilson quark action. We confirm that the masses and...
Non-perturbative renormalization for a renormalization group improved gauge action (2001)
Burkhalter, R., Fukugita, M., Hashimoto, S., Ide, K., Ishizuka, N., ...
Renormalization constants of vector ($Z_V$) and axial-vector ($Z_A$) currents are determined non-perturbatively in quenched QCD for a renormalization group improved gauge action and a tadpole...
Charmonium spectrum from quenched QCD on anisotropic lattices (2001)
Burkhalter, R., Ejiri, S., Fukugita, M., Hashimoto, S., Ishizuka, N., ...
We present our final results of the charmonium spectrum in quenched QCD on anisotropic lattices. Simulations are made with the plaquette gauge action and a tadpole improved clover quark action...
Aoki, Y., Burkhalter, R., Ejiri, S., Fukugita, M., Hashimoto, S., ...
We present a calculation of the $K\to\pi\pi$ decay amplitudes from the $K\to\pi$ matrix elements using leading order relations derived in chiral perturbation theory. Numerical simulations are carried...
One-loop renormalization of heavy-light currents (2001)
Harada, J., Hashimoto, S., Kronfeld, A. S., Onogi, T., Yamada, N.
We calculate the mass dependent renormalization factors of heavy-light bilinears at one-loop order of perturbation theory, when the heavy quark is treated with the Fermilab formalism. We present...
B meson B-parameters and the decay constant in two-flavor dynamical QCD (2001)
Yamada, JLQCD Collaboration: N., Aoki, S., Bulkhalter, R., Fukugita, M., Hashimoto, S., Ishikawa, K-I., ...
We present a two-flavor dynamical QCD calculation of the B meson B parameters and decay constant. We use NRQCD for heavy quark and the nonperturbatively O(a)-improved Wilson action for light quark at...
Aoki, JLQCD Collaboration: S., Burkhalter, R., Fukugita, M., Hashimoto, S., Ishikawa, K-I., Ishizuka, N., ...
JLQCD collaboration recently started the $N_f=3$ QCD simulations with the $O(a)$-improved Wilson fermion action employing an exact fermion algorithm developed for odd number of quark flavors. It is...
Equation of state for pure SU(3) gauge theory on anisotropic lattices (2001)
Burkhalter, R., Ejiri, S., Fukugita, M., Hashimoto, S., Ishizuka, N., ...
We present results for the equation of state for pure SU(3) gauge theory obtained on anisotropic lattices with the anisotropy $\xi \equiv a_s/a_t = 2$. The pressure and energy density are calculated...
An exact algorithm for three-flavor QCD with $O(a)$-improved Wilson fermions (2001)
Aoki, JLQCD Collaboration: S., Burkhalter, R., Fukugita, M., Hashimoto, S., Ishikawa, K-I., Ishizuka, N., ...
We present an exact dynamical QCD simulation algorithm for the $O(a)$-improved Wilson fermion with odd number of flavors. Our algorithm is an extension of the non-Hermitian polynomials HMC algorithm...
Aoki, S., Aoki, Y., Burkhalter, R., Ejiri, S., Fukugita, M., ...
We explore application of the domain wall fermion formalism of lattice QCD to calculate the $K\to\pi\pi$ decay amplitudes in terms of the $K\to\pi$ and $K\to 0$ hadronic matrix elements through...
Differential decay rate of $B \to \pi l \nu$ semileptonic decay with lattice NRQCD (2001)
Aoki, JLQCD Collaboration: S., Fukugita, M., Hashimoto, S., Ishizuka, N., Iwasaki, Y., ...
We present a lattice QCD calculation of $B\to \pi l \nu$ semileptonic decay form factors in the small pion recoil momentum region. The calculation is performed on a quenched $16^3 \times 48$ lattice...
Topological Susceptibility in Lattice QCD with Two Flavors of Dynamical Quarks (2001)
Aoki, S., Burkhalter, R., Ejiri, S., Fukugita, M., Hashimoto, S., ...
We present a study of the topological susceptibility in lattice QCD with two degenerate flavors of dynamical quarks. The topological charge is measured on gauge configurations generated with a...
Spectral function and excited states in lattice QCD with maximum entropy method (2001)
Aoki, S., Burkhalter, R., Fukugita, M., Hashimoto, S., Ishizuka, N., ...
We apply the maximum entropy method to extract the spectral functions for pseudoscalar and vector mesons from hadron correlators previously calculated at four different lattice spacings in quenched...
Kaon B parameter from quenched domain-wall QCD (2001)
Aoki, S., Aoki, Y., Burkhalter, R., Ejiri, S., Fukugita, M., ...
We report on a calculation of $B_K$ with domain wall fermion action in quenched QCD. Simulations are made with a renormalization group improved gauge action at $\beta=2.6$ and 2.9 corresponding to...
Light Hadron Spectroscopy with Two Flavors of Dynamical Quarks on the Lattice (2001)
Aoki, S., Boyd, G., Burkhalter, R., Ejiri, S., Fukugita, M., ...
We present results of a numerical calculation of lattice QCD with two degenerate flavors of dynamical quarks, identified with up and down quarks, and with a strange quark treated in the quenched...
Thermodynamics of SU(3) gauge theory on anisotropic lattices (2001)
Collaboration, CP-PACS, Namekawa, Y., Aoki, S., Burkhalter, R., Ejiri, S., Fukugita, M., ...
Finite temperature SU(3) gauge theory is studied on anisotropic lattices using the standard plaquette gauge action. The equation of state is calculated on $16^{3} \times 8$, $20^{3} \times 10$ and...
Equation of state in finite-temperature QCD with two flavors of improved Wilson quarks (2001)
Collaboration, CP-PACS, Khan, A. Ali, Aoki, S., Burkhalter, R., Ejiri, S., Fukugita, M., ...
We present results of a first study of equation of state in finite-temperature QCD with two flavors of Wilson-type quarks. Simulations are made on lattices with temporal size $N_t=4$ and 6, using an...
B meson decay constant from two-flavor lattice QCD with non-relativistic heavy quarks (2001)
Collaboration, CP-PACS, Khan, A. Ali, Aoki, S., Burkhalter, R., Ejiri, S., Fukugita, M., ...
We present a study of leptonic $B$ meson decay constants in lattice QCD with two flavors ($N_f=2$) of light dynamical quarks using NRQCD for the heavy quark. Gauge configurations are generated with a...
Hybrid Quarkonia with Dynamical Sea Quarks (2001)
Khan, A. Ali, Aoki, S., Burkhalter, R., Ejiri, S., Fukugita, M., ...
We present a dynamical lattice calculation with 2 flavours for bottomonium states with an additional gluonic excitation. Using improved actions for the quarks and gauge fields at a lattice spacing of...
Lung development following diaphragmatic hernia in the fetal rabbit (2000)
Wu, J, Yamamoto, H, Gratacos, E, Ge, X, Verbeken, Eric; U0018420, Sueishi, K, ...
Diaphragmatic hernia was created in 39 rabbit fetuses on day 23 of gestation. Fifteen fetuses underwent a sham thoracotomy (SHAM). Thirty-nine non-operated littermates served as internal controls...
Aoki, S., Aoki, Y., Burkhalter, R., Ejiri, S., Fukugita, M., ...
Chiral properties of QCD formulated with the domain-wall fermion (DWQCD) are studied using the anomalous quark mass m_{5q} and the spectrum of the 4-dimensional Wilson-Dirac operator. Numerical...
Quenched charmonium spectrum on anisotropic lattices (2000)
Aoki, S., Burkhalter, R., Ejiri, S., Fukugita, M., Hashimoto, S., ...
We present the results of quenched charmonium spectrum for S- and P-states, obtained by a relativistic heavy quark method on anisotropic lattices. Simulations are carried out using the standard...
Calculation of $K\to \pi$ matrix elements in quenched domain-wall QCD (2000)
Aoki, S., Aoki, Y., Burkhalter, R., Ejiri, S., Fukugita, M., ...
We explore the possibility for an evaluation of non-leptonic $\Delta S=1$ $K$ decay amplitudes through the calculation of $K\to\pi$ matrix elements using domain-wall QCD. The relation between the...
Differential decay rate for $B \to \pi l \nu$ semileptonic decays (2000)
Aoki, JLQCD Collaboration: S., Burkhalter, R., Fukugita, M., Hashimoto, S., Ishikawa, K-I., Ishizuka, N., ...
We present our study on $B \to \pi l \nu$ semileptonic decay form factors with NRQCD action for heavy quark from a quenched lattice QCD simulation at $\beta$=5.9 on a $16^3\times 48$ lattice. We...
Kaon B parameter from quenched domain-wall QCD (2000)
Aoki, S., Aoki, Y., Burkhalter, R., Ejiri, S., Fukugita, M., ...
We report on a calculation of $B_K$ with domain wall fermion action in quenched QCD. Simulations are made with a renormalization group improved gauge action at $\beta=2.6$ and 2.9 corresponding to...
Light hadron spectroscopy with two flavors of O(a) improved dynamical quarks (2000)
Aoki, JLQCD Collaboration: S., Burkhalter, R., Fukugita, M., Hashimoto, S., Ishikawa, K-I., Ishizuka, N., ...
We report on our study of light hadron spectrum and quark masses in QCD with two flavors of dynamical quarks. Simulations are made with the plaquette gauge action and the non-perturbatively $O(a)$...
B^0-\bar{B}^0 mixing with quenched lattice NRQCD (2000)
Yamada, JLQCD Collaboration: N., Aoki, S., Burkhalter, R., Fukugita, M., Hashimoto, S., Ishikawa, K-I., ...
We present our recent results for the B-parameters, which parameterize the \Delta B=2 transition amplitudes. Calculations are made in quenched QCD at \beta=5.7, 5.9, and 6.1, using NRQCD for heavy...
Full QCD Light Hadron Spectrum and Quark Masses: Final Results from CP-PACS (2000)
Aoki, S., Boyd, G., Burkhalter, R., Ejiri, S., Fukugita, M., ...
We present the final results of the CP-PACS calculation of the light hadron spectrum and quark masses with two flavors of dynamical quarks. Simulations are made with a renormalization-group improved...
Perturbative renormalization of the $\Delta B=2$ four-quark operators in lattice NRQCD (2000)
Hashimoto, S., Ishikawa, K-I., Onogi, T., Sakamoto, M., Tsutsui, N., Yamada, N.
We present a perturbative calculation of the renormalization constants for the $\Delta B=2$ four-quark operators, which is needed to evaluate the bag parameters $B_B$ and $B_S$ in lattice QCD. The...
Aoki, S., Burkhalter, R., Ejiri, S., Fukugita, M., Hashimoto, S., ...
We present a calculation of the B and D meson decay constants in lattice QCD with two (Nf=2) flavours of light dynamical quarks, using an O(a)-improved Wilson action for both light and heavy quarks...
Aoki, S., Burkhalter, R., Ejiri, S., Fukugita, M., Hashimoto, S., ...
We study the finite-temperature phase structure and the transition temperature of QCD with two flavors of dynamical quarks on a lattice with the temporal size $N_t=4$, using a renormalization group...
Chiral properties of domain-wall quarks in quenched QCD (2000)
Collaboration, CP-PACS, Khan, A. Ali, Aoki, S., Aoki, Y., Burkhalter, R., Ejiri, S., ...
We investigate the chiral properties of quenched domain-wall QCD (DWQCD) at the lattice spacings $a^{-1} \simeq 1$ and 2 GeV for both plaquette and renormalization-group (RG) improved gauge actions....
Sea Quark Effects on Quarkonia (2000)
Khan, A. Ali, Aoki, S., Burkhalter, R., Ejiri, S., Fukugita, M., ...
We study the effects of two dynamical sea quarks on the spectrum of heavy quarkonia. Within the non-relativistic approach to Lattice QCD we found sizeable changes to the hyperfine splitting, but we...
Renormalization of the \Delta B=2 four-quark operators in lattice NRQCD (2000)
Hashimoto, S., Ishikawa, K-I., Onogi, T., Sakamoto, M., Tsutsui, N., Yamada, N.
We calculate perturbative renormalization constants for the \Delta B=2 four-quark operators in lattice NRQCD. Continuum operators \bar{b}\gamma_{\mu}(1-\gamma_5)q~ \bar{b}\gamma_{\mu}(1-\gamma_5)q...
Dynamical Quark Effects on Light Quark Masses (2000)
Aoki, S., Boyd, G., Burkhalter, R., Ejiri, S., Fukugita, M., ...
We present results for light quark masses from a systematic lattice QCD study with two degenerate flavors of dynamical quarks. Simulations are made with a renormalization-group improved gauge action...
Lung development following diaphragmatic hernia in the fetal rabbit (2000)
Wu, J., Yamamoto, H., Gratacos, E., Ge, X., Verbeken, E., Sueishi, K., ...
Diaphragmatic hernia was created in 39 rabbit fetuses on day 23 of gestation. Fifteen fetuses underwent a sham thoracotomy (SHAM). Thirty-nine non-operated littermates served as internal controls...
Width difference in the $B_s$-$\bar{B}_s$ system with lattice NRQCD (1999)
Hashimoto, S., Ishikawa, K-I., Onogi, T., Yamada, N.
We compute the matrix element of the four-quark operator $\Op_S$ = $\bar{b}(1-\gamma_5) s \bar{b} (1-\gamma_5) s$ in the $B_s-\bar{B}_s$ mixing on the lattice using NRQCD, which gives a leading...
Pion decay constant for the Kogut-Susskind quark action in quenched lattice QCD (1999)
Aoki, JLQCD Collaboration: S., Fukugita, M., Hashimoto, S., Ishikawa, K-I., Ishizuka, N., Iwasaki, Y., ...
We present a study for the pion decay constant $f_\pi$ in the quenched approximation to lattice QCD with the Kogut-Susskind (KS) quark action, with the emphasis given to the renormalization problems....
Heavy-light spectrum and decay constant from NRQCD with two flavors of dynamical quarks (1999)
Aoki, S., Burkhalter, R., Ejiri, S., Fukugita, M., Hashimoto, S., ...
We report on a study of B mesons on N_f = 2 full QCD configurations using an RG-improved gauge action, NRQCD heavy quark action and tadpole-improved clover light quark action. Results on the...
$B \to \pi l\bar{\nu}$ Form Factors with NRQCD Heavy Quark and Clover Light Quark Actions (1999)
Aoki, JLQCD Collaboration: S., Fukugita, M., Hashimoto, S., Ishikawa, K-I., Ishizuka, N., Iwasaki, Y., ...
We report results on semileptonic $B\to\pi l\bar{\nu}$ decay form factors near $q^2_{\rm max}$ using NRQCD heavy quark and clover light quark actions and currents improved through $O(\alpha a)$. An...
Nucleon Decay Matrix Elements from Lattice QCD (1999)
Aoki, JLQCD Collaboration: S., Fukugita, M., Hashimoto, S., Ishikawa, K-I., Ishizuka, N., Iwasaki, Y., ...
We present a model-independent calculation of hadron matrix elements for all dimension-six operators associated with baryon number violating processes using lattice QCD. The calculation is performed...
I=2 Pion Scattering Length with Wilson Fermions (1999)
Aoki, JLQCD Collaboration: S., Fukugita, M., Hashimoto, S., Ishikawa, K-I., Ishizuka, N., Iwasaki, Y., ...
We present results for I=2 pion scattering length with the Wilson fermions in the quenched approximation. The finite size method presented by L\"uscher is employed, and calculations are carried out...
Pion decay constant in quenched QCD with Kogut-Susskind quarks (1999)
Aoki, JLQCD Collaboration: S., Fukugita, M., Hashimoto, S., Ishikawa, K-I., Ishizuka, N., Iwasaki, Y., ...
We present a non-perturbative calculation for the pion decay constant with quenched Kogut-Susskind quarks. Numerical simulations are carried out at $\beta = 6.0$ and 6.2 with various operators...
The B -> D* l nu Form Factor at Zero Recoil (1999)
Simone, J. N., Hashimoto, S., El-Khadra, A. X., Kronfeld, A. S., Mackenzie, P. B., Ryan, S. M.
We describe a model independent lattice QCD method for determining the deviation from unity for h_{A1}(1), the B -> D* l nu form factor at zero recoil. We extend the double ratio method previously...
Nucleon decay matrix elements with the Wilson quark action: an update (1999)
Aoki, S., Fukugita, M., Hashimoto, S., Ishikawa, K-I., Ishizuka, N., Iwasaki, Y., ...
We present preliminary results of a new lattice computation of hadronic matrix elements of baryon number violating operators which appear in the low-energy effective Lagrangian of (SUSY-)Grand...
A lattice NRQCD computation of the bag parameters for $\Delta B$ = 2 operators (1999)
Yamada, N., Hashimoto, S., Ishikawa, K-I., Matsufuru, H., Onogi, T.
We present an update of our NRQCD calculation of $B_B$ at $\beta$=5.9 with increased statistics. We also discuss a calculation of $B_S$, which is relevant to the width difference in the...
Heavy Quarkonia from Anisotropic and Isotropic Lattices (1999)
Aoki, S., Burkhalter, R., Ejiri, S., Fukugita, M., Hashimoto, S., ...
We report on recent results for the spectrum of heavy quarkonia. Using coarse and anisotropic lattices we achieved an unprecedented control over statistical and systematic errors for higher excited...
Heavy-light decay constants from relativistic Nf=2,0 QCD (1999)
Aoki, S., Burkhalter, R., Ejiri, S., Fukugita, M., Hashimoto, S., ...
We present results on an analysis of the decay constants fB and fBs with two flavours of sea quark. The calculation has been carried out on 3 different bare gauge couplings and 4 sea quark masses at...
Equation of state for pure SU(3) gauge theory with RG improved action (1999)
Aoki, S., Burkhalter, R., Ejiri, S., Fukugita, M., Hashimoto, S., ...
We present results for the equation of state for pure SU(3) gauge theory obtained with a renormalization-group (RG) improved action. The energy density and pressure are calculated on a $16^3\times 4$...
Equation of state in finite-temperature QCD with improved Wilson quarks (1999)
Aoki, S., Burkhalter, R., Ejiri, S., Fukugita, M., Hashimoto, S., ...
We study finite-temperature phase transition and equation of state for two-flavor QCD at $N_t=4$ using an RG-improved gauge action and a meanfield-improved clover quark action. The pressure is...
Quenched QCD with domain-wall fermions on coarse lattices (1999)
Aoki, S., Aoki, Y., Burkhalter, R., Ejiri, S., Fukugita, M., ...
We investigate the existence of chiral zero modes at a^{-1} \simeq 1 GeV in quenched domain-wall QCD. Simulations are carried out for the plaquette and an RG-improved gauge actions on a 12^3x24xN_s...
Light hadron spectrum and quark masses in QCD with two flavors of dynamical quarks (1999)
Aoki, S., Boyd, G., Burkhalter, R., Ejiri, S., Fukugita, M., ...
We present updated results of the CP-PACS calculation of the light hadron spectrum in $N_{\rm f}=2$ full QCD. Simulations are made with an RG-improved gauge action and a tadpole-improved clover quark...
Aoki, S., Burkhalter, R., Ejiri, S., Fukugita, M., Hashimoto, S., ...
We present results on an analysis of the decay constants f_B and f_Bs with two flavours of sea quark. The calculation has been carried out on 3 different bare gauge couplings and 4 sea quark masses...
Eta meson mass and topology in QCD with two light flavors (1999)
Aoki, S., Burkhalter, R., Ejiri, S., Fukugita, M., Hashimoto, S., ...
We present results for the mass of the flavor singlet meson calculated on two-flavor full QCD configurations generated by the CP-PACS full QCD project. We also investigate topological charge...
B meson leptonic decay constant with quenched lattice NRQCD (1999)
Yamada, N., Aoki, S., Fukugita, M., Hashimoto, S., Ishizuka, N., ...
We present a lattice NRQCD study of the B meson decay constant in the quenched approximation with emphasis given to the scaling behavior. The NRQCD action and the heavy-light axial current we use...
Equation of state for pure SU(3) gauge theory with renormalization group improved action (1999)
Khan, A. Ali, Aoki, S., Burkhalter, R., Ejiri, S., Fukugita, M., ...
A lattice study of the equation of state for pure SU(3) gauge theory using a renormalization-group (RG) improved action is presented. The energy density and pressure are calculated on a $16^3\times...
Quenched Light Hadron Spectrum (1999)
Boyd, G., Burkhalter, R., Ejiri, S., Fukugita, M., Hashimoto, S., ...
We present results of a large-scale simulation for the flavor non-singlet light hadron spectrum in quenched lattice QCD with the Wilson quark action. Hadron masses are calculated at four values of...
A lattice NRQCD calculation of the $B^0-\bar{B}^0$ mixing parameter B_B (1999)
Hashimoto, S., Ishikawa, K-I., Matsufuru, H., Onogi, T., Yamada, N.
We present a lattice calculation of the B meson B-parameter B_B using the NRQCD action. The heavy quark mass dependence is explicitly studied over a mass range between m_b and 4m_b with the...
Boyd, G., Burkhalter, R., Hashimoto, S., Ishizuka, N., Iwasaki, Y., ...
We investigate effects of action improvement on the light hadron spectrum and the static quark potential in two-flavor QCD for $a^{-1} \approx 1$ GeV and $m_{PS}/m_V = 0.7-0.9$. We compare a...
Aoki, JLQCD Collaboration: S., Fukugita, M., Hashimoto, S., Ishikawa, K-I., Ishizuka, N., Iwasaki, Y., ...
We report results of quark masses in quenched lattice QCD with the Kogut-Susskind fermion action, employing the Reguralization Independent scheme (RI) of Martinelli et al. to non-perturbatively...
The Kaon B-parameter with the Wilson Quark Action using Chiral Ward Identities (1999)
Aoki, S., Fukugita, M., Hashimoto, S., Ishizuka, N., Iwasaki, Y., Kanaya, K., ...
A lattice QCD calculation of the kaon $B$ parameter $B_K$ is carried out with the Wilson quark action in the quenched approximation at $\beta=6/g^2=5.9-6.5$. The mixing problem of the $\Delta s=2$...
Trends in HIV and AIDS based on HIV/AIDS surveillance data in Japan (1999)
Matsuyama, Y, Hashimoto, S, Ichikawa, S, Nakamura, Y, Kidokoro, T, Umeda, T, ...
Hybrid Quarkonia on Asymmetric Lattices (1998)
Shanahan, H. P., Khan, A. A., Aoki, S., Burkhalter, R., Ejiri, S., ...
We report on a study of heavy hybrid states using the NRQCD approach on coarse and asymmetric lattices, where we discard vacuum polarisation effects and neglect all spin-correction terms. We find a...
Aoki, S, Fukugita, M, Hashimoto, S, Ishikawa, K I, Ishizuka, N, Iwasaki, Y, ...
Light quark masses are computed for Kogut-Susskind fermions by evaluating non-perturbatively the renormalization factor for bilinear quark operators. Calculations are carried out in the quenched...
Phase structure of lattice QCD at finite temperature for 2+1 flavors of Kogut-Susskind quarks (1998)
Aoki, S, Fukugita, M, Hashimoto, S, Ishikawa, K I, Ishizuka, N, Iwasaki, Y, ...
We report on a study of the finite-temperature chiral transition on an $N_t=4$ lattice for 2+1 flavors of Kogut-Susskind quarks. We find the point of physical quark masses to lie in the region of...
Rice, G, Lesaux, J, Paty, D, Oger, J, Li, DKB, ...
Background Previous trials of interferon beta in multiple sclerosis (MS) have shown efficacy, but the degree of clinical benefit remains uncertain, and the optimum dose is not known. We undertook a...
Unusual Behavior of Hydroxide Surfactants, (1998)
Hashimoto,S., Thomas,J. K., Ninham,B. W., Evans,D. F., Mukherjee,S.
Stress-Corrosion-Cracking of (100)-Twist Boundaries in Cu-9at.%Al Alloy. (1998)
Yamashita, M., Yoshioka, M., Mimaki, T., Hashimoto, S., Miura, S.
Intergranular stress-corrosion-cracking (SCC) of Cu-9at.%Al alloy bicrystals with (100)-twist boundaries under constant stresses perpendicular to (100) plane in ammoniacal solution at 303 +- 2K was...
Tsukatani, I., Hashimoto, S., Inoue, T.
By utilizing transformation-induced plasticity of retained austenite in 0.2% carbon steels, an 80 Kgf/mm(2) grade high strength hot rolled sheet has been developed. The maximum volume fraction of...
B -> D l nu form factors and the determination of |Vcb| (1998)
Hashimoto, S., El-Khadra, A. X., Kronfeld, A. S., Mackenzie, P. B., Ryan, S. M., Simone, J. N.
The zero recoil limit of the B -> D l nu form factors is calculated on the lattice, which provides a model-independent determination of |Vcb|. Considering a ratio of form factors, in which the bulk...
Estimated Errors in |Vcd|/|Vcs| from Semileptonic D Decays (1998)
Simone, J. N., El-Khadra, A. X., Hashimoto, S., Kronfeld, A. S., Mackenzie, P. B., Ryan, S. M.
We estimate statistical and systematic errors in the extraction of the CKM ratio |Vcd|/|Vcs| from exclusive D-meson semileptonic decays using lattice QCD and anticipated new experimental results.
B -> pi l nu at three lattice spacings (1998)
Ryan, S. M., El-Khadra, A. X., Hashimoto, S., Kronfeld, A. S., Mackenzie, P. B., Simone, J. N.
The increasing accuracy of experimental results for the exclusive, semileptonic decay B -> pi l nu requires a similarly accurate calculation of the hadronic matrix elements, to determine |Vub|. We...
Renormalization of Currents for Massive Fermions (1998)
Kronfeld, A. S., Hashimoto, S.
The renormalization of vector and axial-vector currents for massive fermions (in the ``Fermilab formalism'') is discussed. We give results for non-degenerate masses, which are needed for...
The static quark potential in full QCD (1998)
Boyd, G., Burkhalter, R., Ejiri, S., Fukugita, M., Hashimoto, S., ...
We report results on the static quark potential in two-flavor full QCD. The calculation is performed for three values of lattice spacing $a^{-1}\approx 0.9, 1.3$ and 2.5 GeV on $12^3{\times}24,...
Hadron matrix elements for nucleon decay with the Wilson quark action (1998)
Tsutsui, JLQCD Collaboration: N., Aoki, S., Fukugita, M., Hashimoto, S., Ishikawa, K-I., Ishizuka, N., ...
We report preliminary results of our study of matrix elements of baryon number violating operators which appear in the low-energy effective Lagrangian of (SUSY-)Grand Unified Theories. The...
Scaling behavior of $f_{B}$ with NRQCD (1998)
Yamada, N., Aoki, S., Fukugita, M., Hashimoto, S., Ishizuka, N., ...
We investigate the scaling behavior of the $B$ meson decay constant $f_B$ and $f_{B_{s}}$ at $\beta$$=$$5.7, 5.9, 6.1$, employing the NRQCD heavy quark action and the clover light quark action....
Preliminary study of $B_B$ parameter using Lattice NRQCD (1998)
Yamada, N., Hashimoto, S., Ishikawa, K-I., Matsufuru, H., Onogi, T., Tominaga, S.
We present the preliminary result of the calculation of $B_B$ parameter using lattice NRQCD. The calculation is performed on a $16^3 \times 48$ quenched lattice at $\beta=5.9$ with clover light...
Quenched Light Hadron Spectrum with the Wilson Quark Action: Final Results from CP-PACS (1998)
Boyd, G., Burkhalter, R., Ejiri, S., Fukugita, M., Hashimoto, S., ...
We report the final results of the CP-PACS calculation for the quenched light hadron spectrum with the Wilson quark action. Our data support the presence of quenched chiral singularities, and this...
Full QCD light hadron spectrum from the CP-PACS (1998)
Boyd, G., Burkhalter, R., Ejiri, S., Fukugita, M., Hashimoto, S., ...
We report on an on-going two-flavor full QCD study on CP-PACS using an RG-improved gauge action and a tadpole-improved SW quark action. Runs are made for three lattice spacings $a^{-1}\approx 0.9$,...
Aoki, JLQCD Collaboration: S., Fukugita, M., Hashimoto, S., Ishikawa, K-I., Ishizuka, N., Iwasaki, Y., ...
Light quark masses are computed for Kogut-Susskind fermions by evaluating non-perturbatively the renormalization factor for bilinear quark operators. Calculations are carried out in the quenched...
Phase structure of lattice QCD at finite temperature for 2+1 flavors of Kogut-Susskind quarks (1998)
Aoki, JLQCD Collaboration: S., Fukugita, M., Hashimoto, S., Ishikawa, K-I., Ishizuka, N., Iwasaki, Y., ...
We report on a study of the finite-temperature chiral transition on an $N_t=4$ lattice for 2+1 flavors of Kogut-Susskind quarks. We find the point of physical quark masses to lie in the region of...
Ebers, GC, Rice, G, Lesaux, J, Paty, D, Oger, J, Li, DKB, ...
Background Previous trials of interferon beta in multiple sclerosis (MS) have shown efficacy, but the degree of clinical benefit remains uncertain, and the optimum dose is not known. We undertook a...
Ebers, GC, Rice, G, Lesaux, J, Paty, D, Oger, J, Li, DKB, ...
Background Previous trials of interferon beta in multiple sclerosis (MS) have shown efficacy, but the degree of clinical benefit remains uncertain, and the optimum dose is not known. We undertook a...
$K^{+}\to\pi^{+}\pi^{0}$ Decay Amplitude with the Wilson Quark Action in Quenched Lattice QCD (1997)
Aoki, JLQCD Collaboration: S., Fukugita, M., Hashimoto, S., Ishizuka, N., Iwasaki, Y., Kanaya, K., ...
We present a calculation for the $K^+\to\pi^+ \pi^0 $ decay amplitude using a quenched simulation of lattice QCD with the Wilson quark action at $\beta=6/g^2=6.1$. The decay amplitude is extracted...
B meson decay constant from quenched Lattice QCD (1997)
Aoki, JLQCD Collaboration: S., Fukugita, M., Hashimoto, S., Ishizuka, N., Iwasaki, Y., Kanaya, K., ...
A lattice QCD calculation of the B meson decay constant is presented. In order to investigate the scaling violation associated with the heavy quark, parallel simulations are carried out employing...
B meson decay constant with the Wilson and Clover heavy quark actions (1997)
Aoki, JLQCD Collaboration: S., Fukugita, M., Hashimoto, S., Ishizuka, N., Iwasaki, Y., Kanaya, K., ...
We present results of our quenched study of the B meson decay constant obtained with a parallel set of simulations with the Wilson and Clover actions at \beta=5.9, 6.1 and 6.3. Systematic errors...
Lattice study of $B\to \pi$ semileptonic decay using nonrelativistic lattice QCD (1997)
Hashimoto, S., Ishikawa, K-I., Matsufuru, H., Onogi, T., Yamada, N.
We present an exploratory lattice study of $B\to\pi$ semileptonic decay form factors using the nonrelativistic lattice QCD for heavy quark with Wilson light quark on a $16^3 \times 32$ quenched...
First study of $B \to \pi$ semileptonic decay form factors using NRQCD (1997)
Matsufuru, H., Hashimoto, S., Ishikawa, K-I., Onogi, T., Yamada, N.
We present a quenched calculation of the form factors of the semileptonic weak decay $B \to \pi l \bar{\nu}$ with $O(1/m_Q)$ NRQCD heavy quark and Wilson light quark on a $16^3 \times 32$ lattice at...
Heavy quark mass dependence of semileptonic form factors for B decays (1997)
Aoki, JLQCD Collaboration: S., Fukugita, M., Hashimoto, S., Ishikawa, K-I., Ishizuka, N., Iwasaki, Y., ...
We present our study of the dependence of the heavy-to-light semileptonic B decay form factors on the heavy-light meson mass $M_{PS}$. Simulations are made over a range of the heavy quark mass...
The Kaon B-parameter with the Wilson Quark Action using Chiral Ward Identities (1997)
Aoki, JLQCD Collaboration: S., Fukugita, M., Hashimoto, S., Ishizuka, N., Iwasaki, Y., Kanaya, K., ...
We present a detailed description of the method and results of our calculation of the kaon B parameter using the Wilson quark action in quenched QCD at $\beta=5.9-6.5$. The mixing problem of the...
The Light Quark Masses with the Wilson Quark Action using Chiral Ward Identities (1997)
Aoki, JLQCD Collaboration: S., Fukugita, M., Hashimoto, S., Ishizuka, N., Iwasaki, Y., Kanaya, K., ...
We present results for the light quark masses for the Wilson quark action obtained with the PCAC relation for the one-link extended axial vector current in quenched QCD at $\beta=5.9-6.5$. This...
$K^{+}\to\pi^{+}\pi^{0}$ Decay Amplitude in Quenched Lattice QCD (1997)
Aoki, JLQCD Collaboration: S., Fukugita, M., Hashimoto, S., Ishizuka, N., Iwasaki, Y., Kanaya, K., ...
A new study is reported of a lattice QCD calculation of the $K^+\to\pi^+ \pi^0 $ decay amplitude with the Wilson quark action in the quenched approximation at $\beta=6.1$. The amplitude is extracted...
Perturbative renormalization parameters for heavy quarks (1997)
Ishikawa, K-I., Aoki, S., Hashimoto, S., Matsufuru, H., Onogi, T., Yamada, N.
We study the heavy quark mass dependence of the perturbative renormalization factors for the heavy-light currents involving Wilson, Clover, and NRQCD heavy quarks. We find that the one-loop Z-factor...
A study of $O(1/m_{Q}^{2})$ corrections for $f_{B}$ with lattice NRQCD (1997)
Yamada, N., Hashimoto, S., Ishikawa, K-I., Matsufuru, H., Onogi, T.
We investigate higher order effects in the nonrelativistic expansion of lattice QCD on the heavy-light meson decay constants and some other quantities in order to understand the truncation error of...
Kaon B parameter from quenched Lattice QCD (1997)
Collaboration, JLQCD, Aoki, S., Fukugita, M., Hashimoto, S., Ishizuka, N., Iwasaki, Y., ...
We present results of a large-scale simulation for the Kaon B parameter $B_K$ in quenched lattice QCD with the Kogut-Susskind quark action. Calculating $B_K$ at 1% statistical accuracy for seven...
Boyd, G., Burkhalter, R., Hashimoto, S., Ishizuka, N., Iwasaki, Y., ...
We present first results from a full QCD calculation on the CP-PACS, comparing various actions at $a^{-1} \sim 1 GeV$ and $m_\pi/m_\rho \approx 0.7$--0.9. We use the plaquette and a renormalization...
CP-PACS results for quenched QCD spectrum with the Wilson action (1997)
Aoki, S., Boyd, G., Burkhalter, R., Hashimoto, S., Ishizuka, N., Iwasaki, Y., ...
We present progress report of a CP-PACS calculation of quenched QCD spectrum with the Wilson quark action. Light hadron masses and meson decay constants are obtained at $\beta=$5.9, 6.1, and 6.25 on...
Two-Flavor Chiral Phase Transition in Lattice QCD with the Kogut-Susskind Quark Action (1997)
Aoki, JLQCD Collaboration: S., Fukugita, M., Hashimoto, S., Ishizuka, N., Iwasaki, Y., Kanaya, K., ...
A summary is presented of a scaling study of the finite-temperature chiral phase transition of two-flavor QCD with the Kogut-Susskind quark action based on simulations on $L^3\times4$ ($L$=8, 12 and...
Aoki, JLQCD Collaboration: S., Fukugita, M., Hashimoto, S., Ishizuka, N., Iwasaki, Y., Kanaya, K., ...
We report on a study of two-flavor finite-temperature chiral phase transition employing the Kogut-Susskind quark action and the plaquette gluon action in lattice QCD for a lattice with $N_t=4$...
Results for Quenched $B_K$ from JLQCD (1997)
Collaboration, JLQCD, Aoki, S., Fukugita, M., Hashimoto, S., Ishizuka, N., Iwasaki, Y., ...
A report is presented on our continued effort to elucidate the continuum limit of $B_K$ using the quenched Kogut-Susskind quark action. By adding to our previous simulations one more point at $\beta...
CP-PACS Result for the Quenched Light Hadron Spectrum (1997)
Boyd, G., Burkhalter, R., Hashimoto, S., Ishizuka, N., Iwasaki, Y., ...
The quenched hadron spectrum in the continuum obtained with the Wilson quark action in recent simulations on the CP-PACS is presented. Results for the light quark masses and the QCD scale parameter...
Full QCD simulation on CP-PACS (1997)
Aoki, S., Boyd, G., Burkhalter, R., Hashimoto, S., Ishizuka, N., Iwasaki, Y., ...
A status report is made of an on-going full QCD study on the CP-PACS aiming at a comparative analysis of the effects of improving gauge and quark actions on hadronic quantities and static quark...
Scaling Analysis of Chiral Phase Transition for Two Flavors of Kogut-Susskind Quarks (1997)
Aoki, JLQCD Collaboration: S., Fukugita, M., Hashimoto, S., Ishizuka, N., Iwasaki, Y., Kanaya, K., ...
Report is made of a systematic scaling study of the finite-temperature chiral phase transition of two-flavor QCD with the Kogut-Susskind quark action based on simulations on $L^3\times4$ ($L$=8, 12...
f_B with lattice NRQCD including O(1/m_Q^2) corrections (1997)
Ishikawa, K-I., Matsufuru, H., Onogi, T., Yamada, N., Hashimoto, S.
We calculate the heavy-light meson decay constant using lattice NRQCD action for the heavy quark and Wilson quark action for the light quark over a wide range in the heavy quark mass. Simulations are...
Lattice QCD Calculation of the Kaon B-parameter with the Wilson Quark Action (1997)
Aoki, JLQCD Collaboration S., Fukugita, M., Hashimoto, S., Ishizuka, N., Iwasaki, Y., Kanaya, K., ...
The kaon B parameter is calculated in quenched lattice QCD with the Wilson quark action. The mixing problem of the \Delta s=2 four-quark operators is solved non-perturbatively with full use of chiral...
Lattice QCD Calculation of the Kaon B-parameter with the Wilson Quark Action (1997)
S. Aoki, M. Fukugita, S. Hashimoto, N. Ishizuka, Y. Iwasaki, K. Kanaya, ...
The kaon B parameter is calculated in quenched lattice QCD with the Wilson quark action. The mixing problem of the \Deltas = 2 four-quark operators is solved non-perturbatively with full use of...
Aoki, JLQCD Collaboration: S., Fukugita, M., Hashimoto, S., Ishizuka, N., Iwasaki, Y., Kanaya, K., ...
We propose a non-perturbative method to determine the mixing coefficients of $\Delta s=2$ four-quark operators for the Wilson quark action using chiral Ward identities. The method is applied to...
Topics in Light Hadron Mass Spectrum in Quenched QCD (1996)
Aoki, JLQCD Collaboration: S., Fukugita, M., Hashimoto, S., Ishizuka, N., Iwasaki, Y., Kanaya, K., ...
Several topics concerning the light hadron spectrum are discussed. Flavor symmetry breaking effects and the problem of quenched chiral logarithm are examined with pion mass data for the...
Continuum Limit of the Heavy-Light Decay Constant with the Quenched Wilson Quark Action (1996)
Aoki, JLQCD Collaboration: S., Fukugita, M., Hashimoto, S., Ishizuka, N., Iwasaki, Y., Kanaya, K., ...
We explore the problems in calculating the decay constant for heavy-light mesons using the quenched Wilson quark action for both heavy and light quarks. We find that the continuum limit of the decay...
Toward the Continuum Limit of $B_K$ with the Quenched Kogut-Susskind Quark Action (1996)
Aoki, JLQCD Collaboration: S., Fukugita, M., Hashimoto, S., Ishizuka, N., Iwasaki, Y., Kanaya, K., ...
We present new results of our ongoing project toward a precision determination of the kaon $B$ parameter with the Kogut-Susskind quark action in quenched QCD. New results taken at $\beta$=6.4 and...
Aerosolization of imipenem/cilastatin prevents pseudomonas-induced acute lung injury (1996)
Hashimoto, S., Wolfe, E., Guglielmo, B., Shanks, R., Sundelof, J., Pittet, J. F., ...
Aerosolization of imipenem/cilastatin was compared with continuous intravenous infusions of the antibiotic for pharrnacokinetic/pharmacodynarnic analysis. The concentrations of...
Lattice Heavy Quark Effective Theory and the Isgur-Wise function (1995)
We compute the Isgur-Wise function using heavy quark effective theory formulated on the lattice. The non-relativistic kinetic energy term of the heavy quark is included to the action as well as terms...
Charmonium spectroscopy with heavy Kogut-Susskind quarks (1994)
Aoki, S., Fukugita, M., Hashimoto, S., Ishizuka, N., Mino, H., Okawa, M., ...
Charmonium spectroscopy with Kogut-Susskind valence quarks are carried out for quenched QCD at $\beta=6.0$ and for two-flavor full QCD at $\beta=5.7$. Results for 1P--1S mass splitting and estimates...
Manifestation of Sea Quark Effects in the Strong Coupling Constant in Lattice QCD (1994)
Aoki, S., Fukugita, M., Hashimoto, S., Ishizuka, N., Mino, H., Okawa, M., ...
We demonstrate that sea quark effects of a magnitude expected from renormalization group considerations are clearly visible in the strong coupling constant measured in current full QCD simulations....
Sea Quark Effects on the Strong Coupling Constant (1993)
Onogi, T., Aoki, S., Fukugita, M., Hashimoto, S., Ishizuka, N., Mino, H., ...
We present results showing that the strong coupling constant measured in two-flavor full QCD with dynamical Kogut-Susskind quarks at $\beta=5.7$ exhibit a 15\% increase due to sea quarks over that...
Optical Music Recognition Bibliography (1993)
Martin Roth, I. Sonomoto, T. Harada, T. Matsushima, K. Kanamori, M. Konuma, ...
of paper submitted for the International Computer Music Conferecne, 1989. [MM91] W. F. McGee and Paul Merkley. The optical scanning of medievel music. Computers and the Humanities, 25(1):47--53,...
Dynamical CP Violation in Composite Higgs Models (1992)
Hashimoto, S., Inagaki, T., Muta, T.
The dynamical origin of the CP violation in electroweak theory is investigated in composite Higgs models. The mechanism of the spontaneous CP violation proposed in other context by Dashen is adopted...
Yamashita, M., Mimaki, T., Hashimoto, S., Miura, S.
Stabilities of the symmetrical - and -tilt and -twist boundaries of an α Cu-Al alloy against both dissolution and Stress-Corrosion-Cracking (SCC) are discussed. The susceptibilities of the...
Miura, S., Okada, T., Onaka, S., Hashimoto, S.
Cu - 9at. % Al tricrystals and bicrystals were crept at 1073K under a tensile stress of 6 MPa. The difference of sliding behavior between grain boundaries with and without a boundary node was...
FORMATION OF THE (γ/α) - INTERPHASE BOUNDARIES IN FeCrNi ALLOYS BY A DIFFUSION BONDING METHOD (1990)
Hashimoto, S., Kato, S., Mimaki, T., Miura, S.
Characteristics of the interphase boundary in two-phase (γ/α)-stainless steel couples produced by a solid-solid diffusion method, starting from Fe-30%Cr (α-phase) and Fe-15%Cr-15%Ni...
Yamashita, M., Mimaki, T., Hashimoto, S., Miura, S.
Stabilities of the symmetrical - and -tilt and -twist boundaries of an α Cu-Al alloy against both dissolution and Stress-Corrosion-Cracking (SCC) are discussed. The susceptibilities of the...
Miura, S., Okada, T., Onaka, S., Hashimoto, S.
Cu - 9at. % Al tricrystals and bicrystals were crept at 1073K under a tensile stress of 6 MPa. The difference of sliding behavior between grain boundaries with and without a boundary node was...
FORMATION OF THE (γ/α) - INTERPHASE BOUNDARIES IN FeCrNi ALLOYS BY A DIFFUSION BONDING METHOD (1990)
Hashimoto, S., Kato, S., Mimaki, T., Miura, S.
Characteristics of the interphase boundary in two-phase (γ/α)-stainless steel couples produced by a solid-solid diffusion method, starting from Fe-30%Cr (α-phase) and Fe-15%Cr-15%Ni...
Yamashita, M., Mimaki, T., Hashimoto, S., Miura, S.
Stabilities of the symmetrical - and -tilt and -twist boundaries of an α Cu-Al alloy against both dissolution and Stress-Corrosion-Cracking (SCC) are discussed. The susceptibilities of the...
Miura, S., Okada, T., Onaka, S., Hashimoto, S.
Cu - 9at. % Al tricrystals and bicrystals were crept at 1073K under a tensile stress of 6 MPa. The difference of sliding behavior between grain boundaries with and without a boundary node was...
FORMATION OF THE (γ/α) - INTERPHASE BOUNDARIES IN FeCrNi ALLOYS BY A DIFFUSION BONDING METHOD (1990)
Hashimoto, S., Kato, S., Mimaki, T., Miura, S.
Characteristics of the interphase boundary in two-phase (γ/α)-stainless steel couples produced by a solid-solid diffusion method, starting from Fe-30%Cr (α-phase) and Fe-15%Cr-15%Ni...
EFFECT OF GRAIN-BOUNDARY STRUCTURE ON STRESS CORROSION CRACKING IN αCu-Al ALLOY BICRYSTALS (1988)
Mimaki, T., Yamashita, M., Hashimoto, S., Miura, S.
Intergranular stress-corrosion-cracking (SCC) of Cu-9at.%Al alloy was studied in -symmetrical tilt bicrystals having low-angles 3.7°, 8.6°, CSL/Σ=3(111), Σ=9(221), Σ=11(311)...
EFFECT OF THE TRIPLE JUNCTION ON GRAIN-BOUNDARY SLIDING IN ALUMINUM TRICRYSTALS (1988)
Miura, S., Hashimoto, S., Fujii, T.
Aluminum tricrystals were crept at 773K under a constant stress in order to investigate the effect of the triple junction on high temperature deformation. It has been demonstrated that grain-boundary...
HIGH STRAIN RATE TENSILE CHARACTERISTICS OF Al-Li ALLOYS WITH VARIOUS MICROSTRUCTURES (1988)
Kobayashi, A., Nakao, A., Hashimoto, S., Zhou, Q.
High strain rate tensile characteristics are investigated for Al-Li alloys with various microstructures in terms of breaking strain, compared to the quasi-static cases. Nine alloys are employed, and...
EFFECT OF GRAIN-BOUNDARY STRUCTURE ON STRESS CORROSION CRACKING IN αCu-Al ALLOY BICRYSTALS (1988)
Mimaki, T., Yamashita, M., Hashimoto, S., Miura, S.
Intergranular stress-corrosion-cracking (SCC) of Cu-9at.%Al alloy was studied in -symmetrical tilt bicrystals having low-angles 3.7°, 8.6°, CSL/Σ=3(111), Σ=9(221), Σ=11(311)...
EFFECT OF THE TRIPLE JUNCTION ON GRAIN-BOUNDARY SLIDING IN ALUMINUM TRICRYSTALS (1988)
Miura, S., Hashimoto, S., Fujii, T.
Aluminum tricrystals were crept at 773K under a constant stress in order to investigate the effect of the triple junction on high temperature deformation. It has been demonstrated that grain-boundary...
HIGH STRAIN RATE TENSILE CHARACTERISTICS OF Al-Li ALLOYS WITH VARIOUS MICROSTRUCTURES (1988)
Kobayashi, A., Nakao, A., Hashimoto, S., Zhou, Q.
High strain rate tensile characteristics are investigated for Al-Li alloys with various microstructures in terms of breaking strain, compared to the quasi-static cases. Nine alloys are employed, and...
EFFECT OF GRAIN-BOUNDARY STRUCTURE ON STRESS CORROSION CRACKING IN αCu-Al ALLOY BICRYSTALS (1988)
Mimaki, T., Yamashita, M., Hashimoto, S., Miura, S.
Intergranular stress-corrosion-cracking (SCC) of Cu-9at.%Al alloy was studied in -symmetrical tilt bicrystals having low-angles 3.7°, 8.6°, CSL/Σ=3(111), Σ=9(221), Σ=11(311)...
EFFECT OF THE TRIPLE JUNCTION ON GRAIN-BOUNDARY SLIDING IN ALUMINUM TRICRYSTALS (1988)
Miura, S., Hashimoto, S., Fujii, T.
Aluminum tricrystals were crept at 773K under a constant stress in order to investigate the effect of the triple junction on high temperature deformation. It has been demonstrated that grain-boundary...
HIGH STRAIN RATE TENSILE CHARACTERISTICS OF Al-Li ALLOYS WITH VARIOUS MICROSTRUCTURES (1988)
Kobayashi, A., Nakao, A., Hashimoto, S., Zhou, Q.
High strain rate tensile characteristics are investigated for Al-Li alloys with various microstructures in terms of breaking strain, compared to the quasi-static cases. Nine alloys are employed, and...
HIGH STRAIN RATE LOADING OF ZIRCALOY (1985)
Kobayashi, A., Hashimoto, S., Wang, Li-Lih, Toba, M.
High strain rate tensile loading behaviours of Zircaloys subjected to various treatments were investigated at room temperature and at 300°C, and compared with those of static cases. It was observed...
A method of blind equalization (1985)
SATO, Y., HASHIMOTO, S., ODA, H.
Aveugle égalisation, ou ce qu'on appelé Rexercice à Data est la fonction significative à transmettre data en très vite. Ce probleme est fondamentalement à identifier le linéaire système...
HIGH STRAIN RATE LOADING OF ZIRCALOY (1985)
Kobayashi, A., Hashimoto, S., Wang, Li-Lih, Toba, M.
High strain rate tensile loading behaviours of Zircaloys subjected to various treatments were investigated at room temperature and at 300°C, and compared with those of static cases. It was observed...
HIGH STRAIN RATE LOADING OF ZIRCALOY (1985)
Kobayashi, A., Hashimoto, S., Wang, Li-Lih, Toba, M.
High strain rate tensile loading behaviours of Zircaloys subjected to various treatments were investigated at room temperature and at 300°C, and compared with those of static cases. It was observed...
SPECTROSCOPIC IONICITY AND LATTICE INSTABILITY IN III-VI LAYER COMPOUNDS (1981)
Kuroda, N., Hashimoto, S., Nishina, Y.
III-VI compounds with the sandwich-type layer structure should have Phillips' electronegativity difference in the range from 0.55 to 0.95. In a certain range of ionicity of valence bonds, however,...
SPECTROSCOPIC IONICITY AND LATTICE INSTABILITY IN III-VI LAYER COMPOUNDS (1981)
Kuroda, N., Hashimoto, S., Nishina, Y.
III-VI compounds with the sandwich-type layer structure should have Phillips' electronegativity difference in the range from 0.55 to 0.95. In a certain range of ionicity of valence bonds, however,...
SPECTROSCOPIC IONICITY AND LATTICE INSTABILITY IN III-VI LAYER COMPOUNDS (1981)
Kuroda, N., Hashimoto, S., Nishina, Y.
III-VI compounds with the sandwich-type layer structure should have Phillips' electronegativity difference in the range from 0.55 to 0.95. In a certain range of ionicity of valence bonds, however,...
THE CKM MATRIX AND THE UNITARITY TRIANGLE
Abbaneo,D., Ali,A., Amaral,P., Andreev,V., Artuso,M., Barberio,E., ...
This report contains the results of the Workshop on the CKM Unitarity Triangle, held at CERN on 13-16 February 2002 to study the determination of the CKM matrix from the available data of K, D, and B...
Minami, A, Hashimoto, S, Abe, H, Arita, M, Taniguchi, T, Honda, T, ...
Vibrio cholerae O1 strains isolated from various sources in Japan over the years 1977 through 1987 were examined to confirm the presence or absence of the cholera enterotoxin (CT) gene and production...
Ohkuma, Y, Hashimoto, S, Wang, C K, Horikoshi, M, Roeder, R G
The general transcription factor TFIIE recruits TFIIH at a late stage of transcription initiation complex formation and markedly stimulates TFIIH-dependent phosphorylation of the carboxy-terminal...
Hashimoto, S, Sakakibara, N, Kumai, H, Nakai, M, Sakuma, S, Chiba, S, ...
Human adenovirus type 40 (Ad40) cannot propagate in conventional established human cell lines such as KB or HeLa cells. However, it has been shown that Ad40 DNA replicates in KB18 cells which express...
Shiroki, K, Hashimoto, S, Saito, I, Fukui, Y, Fukui, Y, Kato, H, ...
Rat 3Y1 cells were transfected with recombinant gARC ( pSV2gpt carrying the adenovirus 12 early region 1 [E1] gene), and focus formation was observed in monolayer cultures after culture of cells in...
Matsuo, T, Hashimoto, S, Wold, W S, Symington, J, Rankin, A, Green, M
The mRNA species encoded by early region 4 (E4) (map position [mp] 91.5 to 99.3) of adenovirus 2 were isolated from the polysomes of infected KB cells and were purified by hybridization to the cloned...
Hashimoto, S, Nomoto, K, Matsuzaki, T, Yokokura, T, Mutai, M
BALB/c mice were injected intraperitoneally (i.p.) or intravenously (i.v.) with Lactobacillus casei YIT9018 (LC 9018). The i.p. injected LC 9018 augmented oxygen radical (OR) production by peritoneal...
Volpe, P, Krause, K H, Hashimoto, S, Zorzato, F, Pozzan, T, Meldolesi, J, ...
Calsequestrin (CS) is the protein responsible for the high-capacity, moderate affinity binding of Ca2+ within the terminal cisternae of the sarcoplasmic reticulum, believed up to now to be specific...
Upstream half of adenovirus type 2 enhancer adopts a curved DNA conformation.
The putative enhancer domain of human adenovirus type 2 (Ad2) was revealed to contain a bent DNA structure in the upstream half. By using "deletion analysis", this unusual structure was identified...
Unusual heterogeneity of the 5'-termini of human adenovirus type 2 early region E2 mRNA.
The 5'-terminal structures of human adenovirus type 2 (Ad2) early region 2 (E2) mRNA were investigated. The E2 transcription unit has several interesting properties, including the presence of a...
Hashimoto, S, Tatsuno, Y, Kitagawa, T
Raman spectroscopic studies of compound II of horseradish peroxidase show that the oxygen atom in the FeIV = O group of the heme is rapidly exchanged in H2O at pH 7.0 but not in an alkaline solution...
Hashimoto, S, Pursley, M H, Green, M
The major 5'-termini of human adenovirus type 2 early gene block 4 mRNA were sequenced. Poly(A+) polyribosomal RNA was isolated from Ad2 early infected cells, the 5'-terminal m7GPPP removed and the...
Gohda, E, Tsubouchi, H, Nakayama, H, Hirono, S, Sakiyama, O, Takahashi, K, ...
Human hepatocyte growth factor (hHGF) has been purified approximately 209,000-fold with 18% yield from plasma of a patient with fulminant hepatic failure. The purification involves heat treatment of...
Conserved structural motifs within the N-terminal domain of TFIID tau from Xenopus, mouse and human.
Hashimoto, S, Fujita, H, Hasegawa, S, Roeder, R G, Horikoshi, M
Methylation pattern of genomic RNA from Moloney murine leukemia virus.
Bondurant, M, Hashimoto, S, Green, M
32P- and methyl-3H-labeled 70S Moloney murine leukemia virus RNA was purified from virions produced in Moloney murine leukemia virus-infected mouse embryo cells. Primer-free RNA subunits obtained by...
TFIIA induces conformational changes in TFIID via interactions with the basic repeat.
Lee, D K, DeJong, J, Hashimoto, S, Horikoshi, M, Roeder, R G
DNA-binding studies with Saccharomyces cerevisiae TFIID point mutants indicated that TFIIA interacts with the basic repeat region of TFIID and induces structural changes. The latter was shown by the...
Presence of the adenovirus E1A-like activity in preimplantation stage mouse embryos.
Suemori, H, Hashimoto, S, Nakatsuji, N
The presence of the adenovirus E1A-like activity in embryonal carcinoma stem cells has been reported. We now show that preimplantation stage mouse embryonic cells allow transcription of the...
Honkawa, H, Masahashi, W, Hashimoto, S, Hashimoto-Gotoh, T
A number of deletion mutants were isolated, including 5', 3', and internal deletions in the 5'-flanking region of the human cellular oncogene related to the Harvey sarcoma virus (c-H-ras), and their...
Transcriptional activation of the rat liver tyrosine aminotransferase gene by cAMP.
Hashimoto, S, Schmid, W, Schütz, G
The enzyme tyrosine aminotransferase (Tyr-ATase; L-tyrosine:2-oxoglutarate aminotransferase, EC 2.6.1.5), which is synthesized in rat liver, is induced by glucocorticoids, insulin, and glucagon or...
Simon, H U, Mills, G B, Hashimoto, S, Siminovitch, K A
B lymphocytes from patients expressing the X chromosome-linked immune deficiency disorder, Wiskott-Aldrich syndrome (WAS), fail to produce antibodies in response to stimulation with polysaccharides...
Fais, F, Ghiotto, F, Hashimoto, S, Sellars, B, Valetto, A, Allen, S L, ...
To better understand the stage(s) of differentiation reached by B-type chronic lymphocytic leukemia (B-CLL) cells and to gain insight into the potential role of antigenic stimulation in the...
Hirai, M, Hashimoto, S, Kuno, T, Tanaka, C
The kinetics of cyclic [3H]GMP binding to the purified cyclic GMP-dependent protein kinase (cG kinase) were studied by using the rapid filtration assay method with polyethyleneimine-treated glass...
Effect of dextran sulphates on thrombin activity.
To clarify the action of dextran sulphate, a heparin analogue, in the clotting of fibrinogen by thrombin, determinations were carried out on the clotting activity, the release of fibrinopeptides from...
Hayakawa, S, Hashimoto, S, Onaka, T
The metabolism of cholic acid (I) by Streptomyces rubescens was investigated. This organism effected ring A cleavage, side-chain shortening and amide bond formation and gave the following...
Hayakawa, S, Takata, T, Fujiwara, T, Hashimoto, S
Relatively large amounts of 3-(3aalpha-hexahydro-7abeta-methyl-1,5-dioxoindan-4alpha-yl)propionic acid (IIb), which is believed to be one of the intermediates involved in the degradation of cholic...
1. The metabolism of 3-(3a alpha-hexahydro-7a beta-methyl-1,5-dioxoindan-4 alpha-yl)propionic acid (III), which is a possible precursor of 2,3,4,6,6a beta, 7,8,9,9a alpha,9b beta-decahydro-6a...
Statistical analysis of data in mutagenicity assays: rodent micronucleus assay.
Hayashi, M, Hashimoto, S, Sakamoto, Y, Hamada, C, Sofuni, T, Yoshimura, I
To evaluate chemical safety, many kinds of short-term mutagenicity assays are performed together with long-term assays in animals. Rationales and methodology for these assays have been well discussed...
Mortality and survival for Down syndrome in Japan.
Masaki, M, Higurashi, M, Iijima, K, Ishikawa, N, Tanaka, F, Fujii, T, ...
Mortality and survival data for 1,052 Japanese patients with Down syndrome who were born between 1966 and 1975 were analyzed. The survival rate at age 10 was estimated to be about 86%. Mortality in...
Minami, A, Hashimoto, S, Abe, H, Arita, M, Taniguchi, T, Honda, T, ...
Vibrio cholerae O1 strains isolated from various sources in Japan over the years 1977 through 1987 were examined to confirm the presence or absence of the cholera enterotoxin (CT) gene and production...
Ohkuma, Y, Hashimoto, S, Wang, C K, Horikoshi, M, Roeder, R G
The general transcription factor TFIIE recruits TFIIH at a late stage of transcription initiation complex formation and markedly stimulates TFIIH-dependent phosphorylation of the carboxy-terminal...
Hashimoto, S, Sakakibara, N, Kumai, H, Nakai, M, Sakuma, S, Chiba, S, ...
Human adenovirus type 40 (Ad40) cannot propagate in conventional established human cell lines such as KB or HeLa cells. However, it has been shown that Ad40 DNA replicates in KB18 cells which express...
Shiroki, K, Hashimoto, S, Saito, I, Fukui, Y, Fukui, Y, Kato, H, ...
Rat 3Y1 cells were transfected with recombinant gARC ( pSV2gpt carrying the adenovirus 12 early region 1 [E1] gene), and focus formation was observed in monolayer cultures after culture of cells in...
Matsuo, T, Hashimoto, S, Wold, W S, Symington, J, Rankin, A, Green, M
The mRNA species encoded by early region 4 (E4) (map position [mp] 91.5 to 99.3) of adenovirus 2 were isolated from the polysomes of infected KB cells and were purified by hybridization to the cloned...
Hashimoto, S, Nomoto, K, Matsuzaki, T, Yokokura, T, Mutai, M
BALB/c mice were injected intraperitoneally (i.p.) or intravenously (i.v.) with Lactobacillus casei YIT9018 (LC 9018). The i.p. injected LC 9018 augmented oxygen radical (OR) production by peritoneal...
Volpe, P, Krause, K H, Hashimoto, S, Zorzato, F, Pozzan, T, Meldolesi, J, ...
Calsequestrin (CS) is the protein responsible for the high-capacity, moderate affinity binding of Ca2+ within the terminal cisternae of the sarcoplasmic reticulum, believed up to now to be specific...
Upstream half of adenovirus type 2 enhancer adopts a curved DNA conformation.
The putative enhancer domain of human adenovirus type 2 (Ad2) was revealed to contain a bent DNA structure in the upstream half. By using "deletion analysis", this unusual structure was identified...
Unusual heterogeneity of the 5'-termini of human adenovirus type 2 early region E2 mRNA.
The 5'-terminal structures of human adenovirus type 2 (Ad2) early region 2 (E2) mRNA were investigated. The E2 transcription unit has several interesting properties, including the presence of a...
Hashimoto, S, Tatsuno, Y, Kitagawa, T
Raman spectroscopic studies of compound II of horseradish peroxidase show that the oxygen atom in the FeIV = O group of the heme is rapidly exchanged in H2O at pH 7.0 but not in an alkaline solution...
Hashimoto, S, Pursley, M H, Green, M
The major 5'-termini of human adenovirus type 2 early gene block 4 mRNA were sequenced. Poly(A+) polyribosomal RNA was isolated from Ad2 early infected cells, the 5'-terminal m7GPPP removed and the...
Gohda, E, Tsubouchi, H, Nakayama, H, Hirono, S, Sakiyama, O, Takahashi, K, ...
Human hepatocyte growth factor (hHGF) has been purified approximately 209,000-fold with 18% yield from plasma of a patient with fulminant hepatic failure. The purification involves heat treatment of...
Conserved structural motifs within the N-terminal domain of TFIID tau from Xenopus, mouse and human.
Hashimoto, S, Fujita, H, Hasegawa, S, Roeder, R G, Horikoshi, M
Methylation pattern of genomic RNA from Moloney murine leukemia virus.
Bondurant, M, Hashimoto, S, Green, M
32P- and methyl-3H-labeled 70S Moloney murine leukemia virus RNA was purified from virions produced in Moloney murine leukemia virus-infected mouse embryo cells. Primer-free RNA subunits obtained by...
TFIIA induces conformational changes in TFIID via interactions with the basic repeat.
Lee, D K, DeJong, J, Hashimoto, S, Horikoshi, M, Roeder, R G
DNA-binding studies with Saccharomyces cerevisiae TFIID point mutants indicated that TFIIA interacts with the basic repeat region of TFIID and induces structural changes. The latter was shown by the...
Presence of the adenovirus E1A-like activity in preimplantation stage mouse embryos.
Suemori, H, Hashimoto, S, Nakatsuji, N
The presence of the adenovirus E1A-like activity in embryonal carcinoma stem cells has been reported. We now show that preimplantation stage mouse embryonic cells allow transcription of the...
Honkawa, H, Masahashi, W, Hashimoto, S, Hashimoto-Gotoh, T
A number of deletion mutants were isolated, including 5', 3', and internal deletions in the 5'-flanking region of the human cellular oncogene related to the Harvey sarcoma virus (c-H-ras), and their...
Transcriptional activation of the rat liver tyrosine aminotransferase gene by cAMP.
Hashimoto, S, Schmid, W, Schütz, G
The enzyme tyrosine aminotransferase (Tyr-ATase; L-tyrosine:2-oxoglutarate aminotransferase, EC 2.6.1.5), which is synthesized in rat liver, is induced by glucocorticoids, insulin, and glucagon or...
Simon, H U, Mills, G B, Hashimoto, S, Siminovitch, K A
B lymphocytes from patients expressing the X chromosome-linked immune deficiency disorder, Wiskott-Aldrich syndrome (WAS), fail to produce antibodies in response to stimulation with polysaccharides...
Fais, F, Ghiotto, F, Hashimoto, S, Sellars, B, Valetto, A, Allen, S L, ...
To better understand the stage(s) of differentiation reached by B-type chronic lymphocytic leukemia (B-CLL) cells and to gain insight into the potential role of antigenic stimulation in the...
Hirai, M, Hashimoto, S, Kuno, T, Tanaka, C
The kinetics of cyclic [3H]GMP binding to the purified cyclic GMP-dependent protein kinase (cG kinase) were studied by using the rapid filtration assay method with polyethyleneimine-treated glass...
Effect of dextran sulphates on thrombin activity.
To clarify the action of dextran sulphate, a heparin analogue, in the clotting of fibrinogen by thrombin, determinations were carried out on the clotting activity, the release of fibrinopeptides from...
Hayakawa, S, Hashimoto, S, Onaka, T
The metabolism of cholic acid (I) by Streptomyces rubescens was investigated. This organism effected ring A cleavage, side-chain shortening and amide bond formation and gave the following...
Hayakawa, S, Takata, T, Fujiwara, T, Hashimoto, S
Relatively large amounts of 3-(3aalpha-hexahydro-7abeta-methyl-1,5-dioxoindan-4alpha-yl)propionic acid (IIb), which is believed to be one of the intermediates involved in the degradation of cholic...
1. The metabolism of 3-(3a alpha-hexahydro-7a beta-methyl-1,5-dioxoindan-4 alpha-yl)propionic acid (III), which is a possible precursor of 2,3,4,6,6a beta, 7,8,9,9a alpha,9b beta-decahydro-6a...
Statistical analysis of data in mutagenicity assays: rodent micronucleus assay.
Hayashi, M, Hashimoto, S, Sakamoto, Y, Hamada, C, Sofuni, T, Yoshimura, I
To evaluate chemical safety, many kinds of short-term mutagenicity assays are performed together with long-term assays in animals. Rationales and methodology for these assays have been well discussed...
Mortality and survival for Down syndrome in Japan.
Masaki, M, Higurashi, M, Iijima, K, Ishikawa, N, Tanaka, F, Fujii, T, ...
Mortality and survival data for 1,052 Japanese patients with Down syndrome who were born between 1966 and 1975 were analyzed. The survival rate at age 10 was estimated to be about 86%. Mortality in...
THE CKM MATRIX AND THE UNITARITY TRIANGLE
Abbaneo, D., Ali, A., Amaral, P., Andreev, V., Artuso, M., Barberio, E., ...
This report contains the results of the Workshop on the CKM Unitarity Triangle, held at CERN on 13-16 February 2002 to study the determination of the CKM matrix from the available data of K, D, and B...
Asabe, K., Toki, N., Hashimoto, S., Suita, S., Sueishi, K.
We shunted amniotic fluid from alternate gestational sacs into the maternal peritoneal cavity between 23 and 30 days gestation in fetal rabbits (full term, 31 days) to investigate the effect of...
Ikeda, N, Yasu, T, Kubo, N, Hashimoto, S, Tsuruya, Y, Fujii, M, ...
Objective: To compare the effects of nicorandil (a hybrid ATP sensitive potassium channel (K+ATP channel) opener/nitric oxide donor) with those of isosorbide dinitrate (ISDN) on myocardial...
A case of amniotic band syndrome with bilateral epibulbar choristoma.
Murata, T, Hashimoto, S, Ishibashi, T, Inomata, H, Sueishi, K
An autopsy case of amniotic band syndrome with bilateral epibulbar choristoma is described. The left eye reveals a complex choristoma and the right eye a dermis-like choristoma. Both choristomatous...
Kobayashi, T, Hashimoto, S, Imai, K, Amemiya, E, Yamaguchi, M, Yachi, A, ...
Adhesion molecules such as ICAM-1 and E-selectin have been shown to play important roles in the production of allergic inflammation. In the present study, we measured serum soluble ICAM-1 (sICAM-1)...
Mechanism of a lymphocyte abnormality associated with HLA-B8/DR3: role of interleukin-1.
Hashimoto, S, Michalski, J P, Berman, M A, McCombs, C
Lymphocytes from normal individuals with the histocompatibility antigens HLA-B8 and DR3 have impaired proliferative responses when stimulated with suboptimal concentrations of mitogens. We have...
Increase in the proportion of granulated CD56+ T cells in patients with malignancy.
Takii, Y, Hashimoto, S, Iiai, T, Watanabe, H, Hatakeyama, K, Abo, T
Evidence is presented for the existence of a unique T cell population which expressed one of the natural killer (NK) markers, CD56 antigen, in humans. Although such CD56+ T cells were a minor...
Mechanism of a lymphocyte abnormality associated with HLA-B8/DR3 in clinically healthy individuals.
Hashimoto, S, McCombs, C C, Michalski, J P
An important unanswered question in clinical immunology is why the histocompatibility antigens HLA-B8/DR3 should be associated with at least nine quite different immune-mediated diseases. The purpose...
Elevation of serum soluble vascular cell adhesion molecule-1 (sVCAM-1) levels in bronchial asthma.
Koizumi, A, Hashimoto, S, Kobayashi, T, Imai, K, Yachi, A, Horie, T
We have previously shown the elevation of serum soluble intercellular adhesion molecule-1 (sICAM-1) and soluble E-selectin (sE-selectin) in patients with bronchial asthma during asthma attacks. In...
Hashimoto, S, Nakayama, T, Gon, Y, Hata, N, Koura, T, Maruoka, S, ...
MCP-1 and MIP-1α exhibit chemotactic activity toward macrophages/monocytes and induce the production of inflammatory cytokines affecting granuloma formation. Up-regulated expression of MCP-1 and...
Takizawa, H, Abe, S, Ohtoshi, T, Kawasaki, S, Takami, K, Desaki, M, ...
Epidemiological and experimental studies suggest that diesel exhaust particles (DEP) may play an active role in the increased respiratory mortality and morbidity. We have shown that DEP augmented the...
Histological Effect of Certain Pickles on the Human Gastric Mucos: A Preliminary Report
MacDonald, W. C., Anderson, F. H., Hashimoto, S.
The histological effects of several types of pickles and control substances were assessed by repeated suction (per os) biopsies of the gastric antrum in three healthy men. The ingestion of 30 ounces...
Chondroprotective activity of N-acetylglucosamine in rabbits with experimental osteoarthritis
Shikhman, A, Amiel, D, D'Lima, D, Hwang, S, Hu, C, Xu, A, ...
Objective: To examine the therapeutic efficacy of N-acetylglucosamine (GlcNAc) in rabbits with experimental osteoarthritis (OA).
Electrophysiological effects of melperone on isolated rabbit heart muscles.
Ikeguchi, S., Hashimoto, S., Horie, M., Kadoya, M., Konishi, T., Kawai, C.
1. Electrophysiological effects of melperone on isolated atrial and ventricular muscle preparations of the rabbit were studied by a conventional microelectrode technique. 2. Melperone (3.3 microM)...
Hashimoto, S., Tanaka, C., Taniyama, K.
The effects of cholinomimetic and sympathomimetic drugs on the release of [3H]-gamma-aminobutyric acid ([3H]-GABA) evoked by high K+ from the isolated small intestine of the guinea-pig were...
Pharmacological subclassification of alpha 1-adrenoceptors in vascular smooth muscle.
Muramatsu, I., Ohmura, T., Kigoshi, S., Hashimoto, S., Oshita, M.
1. We examined whether alpha 1-adrenoceptors in various blood vessels can be divided into subtypes by antagonist affinity or by susceptibility to chloroethylclonidine or nifedipine. 2. Noradrenaline...
Elevation of plasma-soluble tumour necrosis factor receptors (TNF-R) in sarcoidosis
NAKAYAMA, T, HASHIMOTO, S, AMEMIYA, E, HORIE, T
Two types of receptor for tumour necrosis factor-alpha (TNF-R), the 55-kD receptor (TNF-RI) and the 75-kD receptor (TNF-RII), have been identified. Soluble TNF-RI (sTNF-RI) and soluble TNF-RII...
YOSHIDA, S, HASHIMOTO, S, NAKAYAMA, T, KOBAYASHI, T, KOIZUMI, A, HORIE, T
The specific inhibitor for TNF-α activity, soluble form of the 55-kD TNF receptor (sTNF-RI) and soluble form of the 75-kD receptor (sTNF-RII), and the specific inhibitor for IL-1 activity, IL-1...
Job strain, social support in the workplace, and haemoglobin A1c in Japanese men
Kawakami, N, Akachi, K, Shimizu, H, Haratani, T, Kobayashi, F, Ishizaki, M, ...
OBJECTIVES—To examine the association between job strain (defined in the model of job demands and job control) and social support at the workplace with levels of glycosylated haemoglobin A1c...
Koura, T., Gon, Y., Hashimoto, S., Azuma, A., Kudoh, S., Fukuda, Y., ...
BACKGROUND—Activated T lymphocytes are one of the characteristic features of sarcoidosis. The mechanism of T cell activation, expressing various activation markers including interleukin 2 receptor...
Carotid brainstem reflex myoclonus after hypoxic brain damage
Hanakawa, T., Hashimoto, S., Iga, K., Segawa, Y., Shibasaki, H.
A patient comatose after acute anoxia developed bilaterally synchronous, periodic myoclonic jerks most prominently in the bilateral upper limbs. Although the myoclonus seemed to occur spontaneously,...