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...
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...
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...
Aoki, Y., Boyle, P. A., Christ, N. H., Dawson, C., Donnellan, M. A., Izubuchi, T., ...
We present a calculation of the renormalization coefficients of the quark bilinear operators and the K-Kbar mixing parameter B_K. The coefficients relating the bare lattice operators to those in the...
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...
Lattice simulation of 2+1 flavors of overlap light quarks (2007)
Hashimoto, JLQCD Collaboration: S., Aoki, S., Fukaya, H., Kaneko, T., Matsufuru, H., Noaki, J., ...
We report on the status of the dynamical overlap QCD simulation project by the JLQCD collaboration. After completing two-flavor QCD simulation on a 16^3x32 lattice at lattice spacing a 0.12 fm, we...
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...
Neutral kaon mixing from 2+1 flavor Domain Wall QCD (2007)
Antonio, D. J., Boyle, P. A., Blum, T., Christ, N. H., Cohen, S. D., Dawson, C., ...
We present the first results for neutral kaon mixing using 2+1 flavors of domain wall fermions. A new approach is used to extrapolate to the physical up and down quark masses from our numerical...
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...
2+1 flavor domain wall QCD on a (2 fm)^3 lattice: light meson spectroscopy with Ls = 16 (2007)
Allton, C., Antonio, D. J., Blum, T., Bowler, K. C., Boyle, P. A., Christ, N. H., ...
We present results for light meson masses and pseudoscalar decay constants from the first of a series of lattice calculations with 2+1 dynamical flavors of domain wall fermions and the Iwasaki gauge...
Antonio, D. J., Blum, T., Bowler, K. C., Boyle, P. A., Christ, N. H., Cohen, S. D., ...
We present results for the static interquark potential, light meson and baryon masses, and light pseudoscalar meson decay constants obtained from simulations of domain wall QCD with one dynamical...
Light meson masses and non-perturbative renormalisation in 2+1 flavour domain wall QCD (2006)
Allton, C., Antonio, D. J., Boyle, P. A., Dawson, C., Jüttner, A., Kenway, R. D., ...
We present results for the light meson masses, the bare strange quark mass and preliminary non-perturbative renormalisation of B_K in 2+1 flavour domain wall QCD. The ensembles used were generated...
Kaon $B$-parameters for Generic $\Delta S=2$ Four-Quark Operators in Quenched Domain Wall QCD (2006)
Aoki, S., Fukugita, M., Ishizuka, N., Iwasaki, Y., Kanaya, K., ...
We present a study of $B$-parameters for generic $\Delta S=2$ four-quark operators in domain wall QCD. Our calculation covers all the $B$-parameters required to study the neutral kaon mixing in the...
The First Moment of the Kaon Distribution Amplitude from N_f=2+1 Domain Wall Fermions (2006)
Boyle, P. A., Donnellan, M. A., Flynn, J. M., Juttner, A., Noaki, J., Sachrajda, C. T., ...
We present a lattice computation of the first moment of the kaon's leading-twist distribution amplitude. We use ensembles with 2+1 dynamical flavours of domain wall fermions and the Iwasaki gauge...
A lattice computation of the first moment of the kaon's distribution amplitude (2006)
Boyle, P.A., Donnellan, M.A., Flynn, J.M., Juttner, A., Noaki, J., Sachrajda, C.T., ...
We present a lattice computation of the first moment of the kaon's leading-twist distribution amplitude. The results were computed using ensembles with 2+1 dynamical flavours with the domain wall...
A Lattice Computation of the First Moment of the Kaon's Distribution Amplitude (2006)
Boyle, P. A., Donnellan, M. A., Flynn, J. M., Juttner, A., Noaki, J., Sachrajda, C. T., ...
We present a lattice computation of the first moment of the kaon's leading-twist distribution amplitude. The results were computed using ensembles with 2+1 dynamical flavours with the domain wall...
Proton decay matrix elements with domain-wall fermions (2006)
Aoki, Y., Dawson, C., Noaki, J., Soni, A.
Hadronic matrix elements of operators relevant to nucleon decay in grand unified theories are calculated numerically using lattice QCD. In this context, the domain-wall fermion formulation, combined...
Aubin, C., Christ, N. H., Dawson, C., Laiho, J., Noaki, J., Li, S., ...
We discuss the implementation and properties of the quenched approximation in the calculation of the left-right, strong penguin contributions (i.e. Q_6) to epsilon'/epsilon. The coefficient of the...
The first moment of the kaon distribution amplitude from N(f) = 2+1 domain wall fermions (2006)
Boyle, P. A., Donnellan, M.A., Flynn, J.M., Jüttner, A., Noaki, J., Sachrajda, C.T., ...
We present a lattice computation of the first moment of the kaon’s leading-twist distribution amplitude. We use ensembles with 2+1 dynamical flavours of domain wall fermions and the Iwasaki gauge...
The Kaon B-parameter from Quenched Domain-Wall QCD (2005)
Aoki, Y., Blum, T., Christ, N. H., Dawson, C., Izubuchi, T., Mawhinney, R. D., ...
We present numerical results for the kaon B-parameter, B_K, determined in the quenched approximation of lattice QCD. Our simulations are performed using domain-wall fermions and the renormalization...
Lattice QCD with two dynamical flavors of domain wall quarks (2004)
Aoki, Y., Blum, T., Christ, N., Dawson, C., Hashimoto, K., Izubuchi, T., ...
We present results from the first large-scale study of two flavor QCD using domain wall fermions (DWF), a chirally symmetric fermion formulation which has proven to be very effective in the quenched...
Kaon matrix elements in domain-wall QCD with DBW2 gauge action (2004)
Noaki, J., Collaboration, For The RBC
We present calculations of the decay constants and kaon B-parameter $B_K$ as the first stage of RBC Collaboration's quenched numerical simulations using DBW2 gauge action and domain-wall fermions....
Calculation of weak matrix elements in domain-wall QCD with the DBW2 gauge action (2002)
We report the details of our ongoing quenched calculations of weak matrix elements using the combination of domain-wall fermions and the DBW2 gauge action on lattices with $a^{-1}\approx 3$ GeV. A...
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...
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...
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...
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...
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....
Izubuchi, T., Noaki, J., Ukawa, A.
We analytically investigate the 2-dimensional Gross-Neveu model at finite temperature and density using Wilson fermion action. The relation between the phase structure on the lattice and that in the...