18 citations · 24 across the 13 of their papers we have counts for
14 papers
Spectral reconstruction from Euclidean lattice correlators through singular value decomposition
Ryutaro Tsuji, Shoji Hashimoto
Reconstructing spectral densities from Euclidean lattice correlators requires an inverse Laplace transform, which is inherently ill-conditioned when applied to numerical data with…
Recent update of nucleon axial-vector charge with the PACS10 superfine lattice
Masato Nagatsuka, Yasumichi Aoki, Ken-Ichi Ishikawa +7
We update the results of the nucleon axial-vector charge with the third ensemble of the PACS10 gauge configurations, which are generated by the PACS Collaboration at the physical p…
Unbiased Krylov subspace method for the extraction of ground state from lattice correlators
Ryutaro Tsuji, Shoji Hashimoto, Ryan Kellermann
Ground-state energy and matrix element are reconstructed from correlators in lattice QCD by diagonalizing transfer matrix within the Krylov subspace spanned by $\hat{T}^n…
Investigating the axial structure of the nucleon based on large-volume lattice QCD at the physical point
Ryutaro Tsuji, Yasumichi Aoki, Ken-Ichi Ishikawa +6
We present a short summary for the calculations of the nucleon form factors, which are relevant to improving the accuracy of the current neutrino oscillation e…
Method for high-precision determination of the nucleon axial structure using lattice QCD: Removing -state contamination
Yasumichi Aoki, Ken-Ichi Ishikawa, Yoshinobu Kuramashi +6
We performed a precise calculation of physical quantities related to the axial structure of the nucleon using 2+1 flavor lattice QCD gauge configuration (PACS10 configuration) gene…
Proton decay matrix elements on PACS configurations
Ryutaro Tsuji, Yasumichi Aoki, Yoshinobu Kuramashi +1
We report the preliminary results of lattice computation for the proton decay matrix elements in physical point with Wilson-clover fermion. We perform it on the PACS conf…
A proposal for removing -state contamination from the nucleon induced pseudoscalar form factor in lattice QCD
Shoichi Sasaki, Yasumichi Aoki, Ken-Ichi Ishikawa +6
In the PACS10 project, the PACS collaboration has generated three sets of the PACS10 gauge configurations at the physical point with lattice volume larger than a…
Studies of nucleon isovector structure with the PACS10 superfine lattice
Ryutaro Tsuji, Yasumichi Aoki, Ken-Ichi Ishikawa +6
We present the results for the nucleon axial-vector, induced pseudoscalar and pion-nucleon couplings obtained from 2+1 flavor lattice QCD at the physical point with a large spatial…
Discretization effects on nucleon root-mean-square radii from lattice QCD at the physical point
Ryutaro Tsuji, Yasumichi Aoki, Ken-Ichi Ishikawa +4
We present results for the axial-vector coupling and root-mean-square (RMS) radii of the nucleon obtained from 2+1 flavor lattice QCD at the physical point with a large spatial ext…
Nucleon form factors in lattice QCD at the physical point : finite lattice spacing effect on the root-mean-square radii
Ryutaro Tsuji, Yasumichi Aoki, Ken-Ichi Ishikawa +6
We present results for the nucleon form factors: electric (), magnetic (), axial (), induced pseudoscalar () and pseudoscalar () form factors, using the se…
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…
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…