Magnetic and electric screening masses from Polyakov-loop correlations (2008)
Maezawa, Y., Aoki, S., Ejiri, S., Hatsuda, T., Ishii, N., Kanaya, K., ...
Screening properties of the quark gluon plasma are studied from Polyakov-loop correlation in lattice QCD simulations with two flavors of improved Wilson quarks at temperatures $T/\Tpc \simeq 1$--4...
Equation of state at finite density in two-flavor QCD with improved Wilson quarks (2008)
Aoki, S., Ejiri, S., Hatsuda, T., Ishii, N., Kanaya, K., Maezawa, Y., ...
We study the equation of state in two-flavor QCD at finite temperature and density. Simulations are made with the RG-improved gluon action and the clover-improved Wilson quark action. Along the lines...
Charm quark system in 2+1 flavor lattice QCD using the PACS-CS configurations (2008)
Aoki, S., Kadoh, D., Ishii, N., Ishizuka, N., ...
We study heavy-heavy and heavy-light quark systems for charm with a relativistic heavy quark action in 2+1 flavor lattice QCD. Configurations are generated by the PACS-CS Collaboration at the lattice...
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...
Thermodynamics of SU(3) gauge theory at fixed lattice spacing (2008)
Umeda, T., Ejiri, S., Aoki, S., Hatsuda, T., Kanaya, K., Maezawa, Y., ...
We study thermodynamics of SU(3) gauge theory at fixed scales on the lattice, where we vary temperature by changing the temporal lattice size N_t=(Ta_t)^{-1}. In the fixed scale approach, finite...
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...
Aoki, S., Ishii, N., Ishizuka, N., Izubuchi, T., ...
We investigate the quark mass dependence of meson and baryon masses obtained from 2+1 flavor dynamical quark simulations performed by the PACS-CS Collaboration. With the use of SU(2) and SU(3) chiral...
2+1 flavor lattice QCD simulation with $O(a)$-improved Wilson quarks (2008)
Aoki, S., Ishii, N., Ishizuka, N., Izubuchi, T., ...
We present simulation details and results for the light hadron spectrum in N f = 2 + 1 lattice QCD with the nonperturbatively O(a)-improved Wilson quark action and the Iwasaki gauge action....
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...
Fixed Scale Approach to Equation of State in Lattice QCD (2008)
Umeda, T., Ejiri, S., Aoki, S., Hatsuda, T., Kanaya, K., Maezawa, Y., ...
A new approach to study the equation of state in finite-temperature QCD is proposed on the lattice. Unlike the conventional method in which the temporal lattice size N_t is fixed, the temperature T...
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., ...
Associated Charm Production in Neutrino-Nucleus Interactions (2007)
Kayis-Topaksu, A, Onengüt, G, Van Dantzig, R, De Jong, M, Oldeman, R G C, Güler, M, ...
In this paper a search for associated charm production both in neutral and charged current $\nu$-nucleus interactions is presented. The improvement of automatic scanning systems in the {CHORUS}...
Toshito, T., Kodama, K., Sihver, L., Yusa, K., Ozaki, M., Amako, K., ...
We have studied charged nuclear fragments produced by 200 - 400 MeV/nucleon carbon ions, interacting with water and polycarbonate, using a newly developed emulsion detector. Total and partial...
First Nonperturbative Test of a Relativistic Heavy Quark Action in Quenched Lattice QCD (2006)
Kayaba, Y., Aoki, S., Fukugita, M., Iwasaki, Y., Kanaya, K., Kuramashi, Y., ...
We perform a numerical test of a relativistic heavy quark(RHQ) action, recently proposed by Tsukuba group, in quenched lattice QCD at $a\simeq 0.1$ fm. With the use of the improvement parameters...
Neutron electric dipole moment from lattice QCD (2005)
Shintani, E., Aoki, S., Ishizuka, N., Kanaya, K., Kikukawa, Y., Kuramashi, Y., ...
We carry out a feasibility study for the lattice QCD calculation of the neutron electric dipole moment (NEDM) in the presence of the $\theta$ term. We develop the strategy to obtain the nucleon EDM...
Interdecadal water mass changes in the Southern Ocean between 30E and 160E (2005)
Aoki, S, Bindoff, NL, Church, JA
Interdecadal water mass changes in the Indian -Western Pacific sectors of the Southern Ocean were investigated using the Japanese Antarctic Research Expeditions and historical hydrographic...
Two flavors of dynamical quarks on anisotropic lattices (2003)
Aoki, S., Fukugita, M., Ishikawa, K-I., Ishizuka, N., Iwasaki, Y., ...
We report on our study of two-flavor full QCD on anisotropic lattices using $O(a)$-improved Wilson quarks coupled with an RG-improved glue. The bare gauge and quark anisotropies corresponding to the...
Flavor Singlet Meson Mass in the Continuum Limit in Two-Flavor Lattice QCD (2002)
Aoki, S., Burkhalter, R., Fukugita, M., Ishizuka, N., ...
We present results for the mass of the eta-prime meson in the continuum limit for two-flavor lattice QCD, calculated on the CP-PACS computer, using a renormalization-group improved gauge action, and...
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....
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...
Kodama, K., Torikai, S., Ushida, N., Mokhtarani, A., Paolone, V. S., Volk, J. T., ...
We have observed $23.2 \pm 6.0_{-0.9}^{+1.0}$ purely-leptonic decays of $D_s^+ -> \mu^+ \nu_\mu$ from a sample of muonic one prong decay events detected in the emulsion target of Fermilab experiment...
Direct observation of the decay of beauty particles into charm particles (1990)
Albanese, J P, Alpe, V, Aoki, S, Arnold, R, Baroni, G, Barth, Monique, ...