Zobrazeno 1 - 10
of 706
pro vyhledávání: '"Ohki H"'
Electric dipole moments (EDMs) of nucleons and nuclei, which are sought as evidence of CP violation, require lattice calculations to connect constraints from experiments to limits on the strong CP violation within QCD or CP violation introduced by ne
Externí odkaz:
http://arxiv.org/abs/1901.05455
Electric dipole moments (EDMs), which are sought as evidence of CP violation, require lattice calculations to connect constraints from experiments to limits on the strong CP violation within QCD or CP violation in new physics beyond the standard mode
Externí odkaz:
http://arxiv.org/abs/1810.03721
Publikováno v:
Phys. Rev. D 96, 014501 (2017)
We analyze commonly used expressions for computing the nucleon electric dipole form factors (EDFF) $F_3$ and moments (EDM) on a lattice and find that they lead to spurious contributions from the Pauli form factor $F_2$ due to inadequate definition of
Externí odkaz:
http://arxiv.org/abs/1701.07792
We report on our calculation of the nucleon axial and tensor charges in 2+1-flavor QCD with dynamical overlap quarks. Gauge ensembles are generated at a single lattice spacing 0.12 fm and at a strange quark mass close to its physical value. We employ
Externí odkaz:
http://arxiv.org/abs/1511.04589
Autor:
JLQCD Collaboration, Ohki, H., Takeda, K., Aoki, S., Hashimoto, S., Kaneko, T., Matsufuru, H., Noaki, J., Onogi, T.
We calculate the strange quark content of the nucleon in 2+1-flavor lattice QCD. Chirally symmetric overlap fermion formulation is used to avoid the contamination from up and down quark contents due to an operator mixing between strange and light sca
Externí odkaz:
http://arxiv.org/abs/1208.4185
Autor:
Ohki, H., Aoki, S., Fukaya, H., Hashimoto, S., Kaneko, T., Matsufuru, H., Noaki, J., Onogi, T., Shintani, E., Yamada, N.
Publikováno v:
PoS LAT2009:124,2009
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 masses with five values of up and down quark masses e
Externí odkaz:
http://arxiv.org/abs/0910.3271
Autor:
Ohki, H., Fukaya, H., Hashimoto, S., Matsufuru, H., Noaki, J., Onogi, T., Shintani, E., Yamada, N.
Publikováno v:
PoS LATTICE2008:126,2008
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 perturbation theory. Using partially quenched data sets, we
Externí odkaz:
http://arxiv.org/abs/0810.4223
Autor:
Ohki, H., Fukaya, H., Hashimoto, S., Kaneko, T., Matsufuru, H., Noaki, J., Onogi, T., Shintani, E., Yamada, N., Collaboration, for JLQCD
Publikováno v:
Phys.Rev.D78:054502,2008
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 exact chiral and flavor symmetries on the lattice. We a
Externí odkaz:
http://arxiv.org/abs/0806.4744
Publikováno v:
In Nuclear and Particle Physics Proceedings June-July 2017 287-288:25-28
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