Ultra-High Energy Neutrino-Nucleon Scattering and Parton Distributions at Small $x$

Details Ultra-High Energy Neutrino-Nucleon Scattering and Parton Distributions at Small $x$ Ultra-High Energy Neutrino-Nucleon Scattering and Parton Distributions at Small $x$

2005-12-16

arxiv.org/abs/hep-ph/0512220v1

Phys.Rev.D73:094004,2006; AIPConf.Proc.870:666-668,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, 4 figures, INT-PUB-05-32

Scientific paper

10.1103/PhysRevD.73.094004

The cross section for ultra-high energy neutrino-nucleon scattering is very sensitive to the parton distributions at very small values of Bjorken x ($x \leq 10^{-4})$. We numerically investigate the effects of modifying the behavior of the gluon distribution function at very small $x$ in the DGLAP evolution equation. We then use the Color Glass Condensate formalism to calculate the neutrino-nucleon cross section at ultra-high energies and compare the result with those based on modification of DGLAP evolution equation.

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