Stochastic method with low mode substitution for nucleon isovector matrix elements

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33 Scopus citations

Abstract

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 gA3, scalar couplings gS3 and the quark momentum fraction u-d are calculated with overlap fermion on 2+1 flavor domain-wall configurations on a 243×64 lattice at mπ=330 MeV with lattice spacing a=0.114 fm.

Original languageEnglish
Article number034503
JournalPhysical Review D
Volume93
Issue number3
DOIs
StatePublished - Feb 11 2016

Bibliographical note

Publisher Copyright:
© 2016 American Physical Society.

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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