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Type: Journal article
Title: Charge symmetry breaking from a chiral extrapolation of moments of quark distribution functions
Author: Shanahan, P.
Thomas, A.
Young, R.
Citation: Physical Review. D. Particles, Fields, Gravitation and Cosmology, 2013; 87(9):1-9
Publisher: American Physical Soc
Issue Date: 2013
ISSN: 1550-7998
Statement of
P. E. Shanahan, A.W. Thomas, and R. D. Young
Abstract: We present a determination, from lattice QCD, of charge symmetry violation in the spin-independent and spin-dependent parton distribution functions of the nucleon. This is done by chirally extrapolating recent QCDSF/UKQCD Collaboration lattice simulations of the first several Mellin moments of the parton distribution functions of octet baryons to the physical point. We find small chiral corrections for the polarized moments, while the corrections are quantitatively significant in the unpolarized case.
Rights: © 2013 American Physical Society
RMID: 0020128899
DOI: 10.1103/PhysRevD.87.094515
Appears in Collections:Chemistry and Physics publications

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