Additional Corrections to the Gross-Llewellyn Smith Sum Rule

Details Additional Corrections to the Gross-Llewellyn Smith Sum Rule Additional Corrections to the Gross-Llewellyn Smith Sum Rule

2010-09-08

arxiv.org/abs/1009.1570v1

Phys.Rev.D82:113001,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, 6 figures

Scientific paper

10.1103/PhysRevD.82.113001

We investigate some QCD corrections that contribute to the Gross-Llewellyn Smith (GLS) sum rule, but have not been included in previous analyses of it. We first review the techniques by which the xF3 structure function is extracted from combinations of neutrino and antineutrino cross sections. Next we investigate corrections to the GLS sum rule, with particular attention to contributions arising from strange quark contributions and from charge symmetry violating (CSV) parton distributions. We find that additional corrections from strange quarks and parton CSV are likely to have a small but potentially significant role in decreasing the current discrepancy between the experimental and theoretical estimates of the Gross-Llewellyn Smith sum rule.

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