Moments of Isovector Quark Distributions from Lattice QCD

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dc.creatorDetmold, W.
dc.creatorMelnitchouk, W.
dc.creatorThomas, A. W.
dc.date2002-06-03
dc.date2002-07-19
dc.date.accessioned2026-07-07T11:08:53Z
dc.date.available2026-07-07T11:08:53Z
dc.descriptionWe present a complete analysis of the chiral extrapolation of lattice moments of all twist-2 isovector quark distributions, including corrections from N pi and Delta pi loops. Even though the Delta resonance formally gives rise to higher order non-analytic structure, the coefficients of the higher order terms for the helicity and transversity moments are large and cancel much of the curvature generated by the wave function renormalization. The net effect is that, whereas the unpolarized moments exhibit considerable curvature, the polarized moments show little deviation from linearity as the chiral limit is approached.
dc.description34 pages, 10 figs, minor modifications to coincide with version accepted for publication
dc.identifierhttps://arxiv.org/abs/hep-lat/0206001
dc.identifierhttp://arxiv.org/abs/hep-lat/0206001
dc.identifierPhys.Rev.D66:054501,2002
dc.identifierdoi:10.1103/PhysRevD.66.054501
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/190285
dc.subjectHigh Energy Physics - Lattice
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectNuclear Theory
dc.titleMoments of Isovector Quark Distributions from Lattice QCD
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