Predictions for high energy neutrino cross-sections from the ZEUS global PDF fits

Details Predictions for high energy neutrino cross-sections from the ZEUS global PDF fits Predictions for high energy neutrino cross-sections from the ZEUS global PDF fits

2007-10-28

arxiv.org/abs/0710.5303v2

JHEP 01 (2008) 075

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages (RevTeX4), 6 figures; expanded discussion of additional theoretical uncertainties at low x; accepted for publication

Scientific paper

10.1088/1126-6708/2008/01/075

We have updated predictions for high energy neutrino and antineutrino charged current cross-sections within the conventional DGLAP formalism of NLO QCD using a modern PDF fit to HERA data, which also accounts in a systematic way for PDF uncertainties deriving from both model uncertainties and from the experimental uncertainties of the input data sets. Furthermore the PDFs are determined using an improved treatment of heavy quark thresholds. A measurement of the neutrino cross-section much below these predictions would signal the need for extension of the conventional formalism as in BFKL resummation, or even gluon recombination effects as in the colour glass condensate model.

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