183 citations · 1.6k across the 75 of their papers we have counts for
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Momentum transfer dependence of kaon semileptonic form factor on (10 fm) at the physical point
Takeshi Yamazaki, Ken-ichi Ishikawa, Naruhito Ishizuka +5
We calculate the kaon semileptonic form factors using the two sets of the PACS10 configuration, whose physical volumes are more than (10 fm) at the physical point. The lattice…
Calculation of the pion charge radius from an improved model-independent method
Kohei Sato, Hiromasa Watanabe, Takeshi Yamazaki
We propose a new improved model-independent method for calculating the pion charge radius. In a recently-proposed model-independent method for the pion charge radius, we find it di…
Towards the continuum limit of nucleon form factors at the physical point using lattice QCD
Ryutaro Tsuji, Yasumichi Aoki, Ken-Ichi Ishikawa +4
We present results for the axial charge and root-mean-square (RMS) radii of the nucleon obtained from 2+1 flavor lattice QCD at the physical point with a large spatial extent of ab…
Nucleon isovector couplings in Nf = 2 + 1 lattice QCD at the physical point
Ryutaro Tsuji, Natsuki Tsukamoto, Yasumichi Aoki +5
We present results for the scalar and tensor isovector-couplings ( and ) of the nucleon measured at the physical point ( MeV) with a single lattice spacing of $0…
form factors at the physical point: Toward the continuum limit
Ken-ichi Ishikawa, Naruhito Ishizuka, Yoshinobu Kuramashi +5
We present updated results for the form factors of the kaon semileptonic decay process calculated with nonperturbatively -improved Wilson quark a…
Nucleon isovector tensor charge from lattice QCD with physical light quarks
Ryutaro Tsuji, Yasumichi Aoki, Ken-Ichi Ishikawa +4
We present preliminary results for the axial, scalar and tensor charges of the nucleon measured in 2+1 flavor QCD with the physical light quarks ( MeV). Our simulations ar…
The lower moments of nucleon structure functions in lattice QCD with physical quark masses
Ryutaro Tsuji, Yasumichi Aoki, Ken-Ichi Ishikawa +4
We present results for the nucleon structure functions and form factors obtained from 2+1 flavor lattice QCD with physical light quark masses ( MeV) in a large spatial ext…
Calculation of kaon semileptonic form factor with the PACS10 configuration
Takeshi Yamazaki, Ken-ichi Ishikawa, Naruhito Ishizuka +6
We present preliminary results for the kaon semileptonic form factors using the PACS10 configurations, whose physical volume is more than (10 fm) at the physical point with the…
Calculation of derivative of nucleon form factors in lattice QCD at MeV on a (5.5 fm) volume
Ken-Ichi Ishikawa, Yoshinobu Kuramashi, Shoichi Sasaki +2
We present a direct calculation for the first derivative of the isovector nucleon form factors with respect to the momentum transfer using the lower moments of the nucleon 3-…
form factors in QCD at physical point on large volume
Junpei Kakazu, Ken-ichi Ishikawa, Naruhito Ishizuka +7
We present our results of the form factors on the volume whose spatial extent is more than 10 fm, with the physical pion and kaon masses using the stout-smearing clove…
Two-pion scattering amplitude from Bethe-Salpeter wave function at the interaction boundary
Takeshi Yamazaki, Yusuke Namekawa
We observe that the ratio of the on-shell scattering amplitude to the Bethe-Salpeter (BS) wave function outside the interaction range is almost independent of time in our quenched…
Nucleon isovector couplings from 2+1 flavor lattice QCD at the physical point
Natsuki Tsukamoto, Yasumichi Aoki, Ken-Ichi Ishikawa +4
We present results on the axial, scalar and tensor isovector-couplings of the nucleon from 2+1 flavor lattice QCD with physical light quarks ( = 135 MeV) in large spatial volu…
Finite size effect on vector meson and baryon sectors in 2+1 flavor QCD at the physical point
K. -I. Ishikawa, N. Ishizuka, Y. Kuramashi +7
We investigate the finite size effect on the vector meson and the baryon sectors using a subset of the "PACS10" configurations which are generated, keeping the space-time volumes o…
Quark mass dependence of on-shell and half off-shell scattering amplitudes from Bethe-Salpeter wave function inside the interaction range
Yusuke Namekawa, Takeshi Yamazaki
We evaluate scattering amplitudes at on-shell and half off-shell for S-wave two-pion system using the Bethe-Salpeter wave function inside the interaction range in the quenche…
Relation between scattering amplitude and Bethe-Salpeter wave function in quantum field theory
Takeshi Yamazaki, Yoshinobu Kuramashi
We discuss an exact relation between the two-particle scattering amplitude and the Bethe-Salpeter (BS) wave function inside the interaction range in quantum field theory. In the re…
Nucleon form factors and root-mean-square radii on a (10.8 fm lattice at the physical point
Eigo Shintani, Ken-Ichi Ishikawa, Yoshinobu Kuramashi +2
We present the nucleon form factors and root-mean-square (RMS) radii measured on a (10.8 fm lattice at the physical point. We compute the form factors at small momentum transf…
Reply to "Comment on `Relation between scattering amplitude and Bethe-Salpeter wave function in quantum field theory"'
Takeshi Yamazaki, Yoshinobu Kuramashi
We reemphasize the momentum dependence of the coefficients of the derivative expansion as already explained in our paper [1]. We also discuss how the momentum dependence plagues th…
Finite size effect on pseudoscalar meson sector in 2+1 flavor QCD at the physical point
K. -I. Ishikawa, N. Ishizuka, Y. Kuramashi +6
We investigate the finite size effect on pseudoscalar meson masses and decay constants using a subset of the "PACS10" configurations which are generated keeping the space-time volu…
Nucleon form factors on a large volume lattice near the physical point in 2+1 flavor QCD
Ken-Ichi Ishikawa, Yoshinobu Kuramashi, Shoichi Sasaki +3
We present results for the isovector nucleon form factors measured on a lattice at almost the physical pion mass with a lattice spacing of 0.085 fm in 2+1 flavor QCD. The co…
Scattering amplitude from Bethe-Salpeter wave function inside the interaction range
Yusuke Namekawa, Takeshi Yamazaki
We propose a method to calculate scattering amplitudes using the Bethe-Salpeter wave function inside the interaction range on the lattice. For an exploratory study of this method,…
Comparison of different source calculations in two-nucleon channel at large quark mass
Takeshi Yamazaki, Ken-ichi Ishikawa. Yoshinobu Kuramashi
We investigate a systematic error coming from higher excited state contributions in the energy shift of light nucleus in the two-nucleon channel by comparing two different source c…
Flavor-singlet spectrum in multi-flavor QCD
Yasumichi Aoki, Tatsumi Aoyama, Ed Bennett +9
Studying SU(3) gauge theories with increasing number of light fermions is relevant both for understanding the strong dynamics of QCD and for constructing strongly interacting exten…
Nucleon structure from 2+1 flavor lattice QCD near the physical point
Natsuki Tsukamoto, Ken-Ichi Ishikawa, Yoshinobu Kuramashi +2
We present an update on our results of nucleon form factors measured on a large-volume lattice at almost the physical point in 2+1 flavor QCD. The configurations a…
Relation between scattering amplitude and Bethe-Salpeter wave function in quantum field theory
Takeshi Yamazaki, Yoshinobu Kuramashi
We reexamine the relations between the Bethe-Salpeter (BS) wave function of two particles, the on-shell scattering amplitude, and the effective potential in quantum filed theory. I…