Journal
PHYSICAL REVIEW D
Volume 93, Issue 3, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.93.034503
Keywords
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Funding
- U.S. Department of Energy [DE-FG05-84ER40154, DE-SC0013065]
- NSF CAREER [PHY-1151648]
- National Science Foundation of China (NSFC) [11405178]
- Youth Innovation Promotion Association of CAS [2015013]
- Office of Science of the U.S. Department of Energy [DE-AC05-00OR22725]
- National Science Foundation [ACI-1053575]
- Division Of Physics
- Direct For Mathematical & Physical Scien [1151648] Funding Source: National Science Foundation
- U.S. Department of Energy (DOE) [DE-SC0013065] Funding Source: U.S. Department of Energy (DOE)
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We introduce a stochastic method with low-mode substitution to evaluate the connected three-point functions. The isovector matrix elements of the nucleon for the axial-vector coupling g(A)(3), scalar couplings g(S)(3) and the quark momentum fraction < x >(u-d) are calculated with overlap fermion on 2 + 1 flavor domain-wall configurations on a 24(3) x 64 lattice at m(pi) = 330 MeV with lattice spacing a = 0.114 fm.
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