Quark-quark Double Scattering and Modified (Anti-)Quark Fragmentation Functions in Nuclei

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dc.creatorZhang, Ben-Wei
dc.creatorWang, Xin-Nian
dc.creatorSchaefer, Andreas
dc.date2007-03-05
dc.date.accessioned2026-07-07T10:22:46Z
dc.date.available2026-07-07T10:22:46Z
dc.descriptionQuark-quark double scattering in eA DIS and its contribution to quark and anti-quark fragmentation functions are investigated with the generalized factorization of the relevant twist-four processes in pQCD. It is shown that the resulting modifications to quark and anti-quark fragmentation functions are different. While the numerical size of these effects cannot be determined from pQCD, the structure of our result leads to a number of qualitative predictions for the relative size of the effect for different hadrons. These qualitative predictions agree with the multiplicity ratios for positive and negative hadrons as observed by HERMES.
dc.description4 pages, 1 figure, talk at "Hard Probes 2006", Asilomar, California, USA, June 9-16, 2006
dc.identifierhttps://arxiv.org/abs/nucl-th/0703014
dc.identifierhttp://arxiv.org/abs/nucl-th/0703014
dc.identifierNucl.Phys.A783:551-554,2007
dc.identifierdoi:10.1016/j.nuclphysa.2006.11.114
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/175631
dc.subjectNuclear Theory
dc.titleQuark-quark Double Scattering and Modified (Anti-)Quark Fragmentation Functions in Nuclei
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