Comparative study of the neutrino-nucleon cross section at ultrahigh energies

Journal Article · Sat Jan 01 04:00:00 EST 2011 · Physical Review. D, Particles Fields

DOI:https://doi.org/10.1103/PHYSREVD.83.014014· OSTI ID:21503872

Goncalves, V P; Hepp, P ^[1]

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1. Instituto de Fisica e Matematica, Universidade Federal de Pelotas, Caixa Postal 354, CEP 96010-900, Pelotas, Rio Grande do Sul (Brazil)

The high-energy neutrino cross section is a crucial ingredient in the calculation of the event rate in high-energy neutrino telescopes. Currently, there are several approaches that predict different behaviors for its magnitude for ultrahigh energies. In this paper, we present a comparison between the predictions based on linear Dokshitzer-Gribov-Lipatov-Altarelli-Parisi dynamics, nonlinear QCD, and the imposition of a Froissart-like behavior at high energies. In particular, we update the predictions based on the color glass condensate, presenting for the first time the results for {sigma}{sub {nu}N} using the solution of the running coupling Balitsky-Kovchegov equation. Our results demonstrate that the current theoretical uncertainty for the neutrino-nucleon cross section reaches a factor of three for neutrino energies around 10{sup 11} GeV and increases to a factor of five for 10{sup 13} GeV.

• OSTI ID: 21503872
• Journal Information: Physical Review. D, Particles Fields, Journal Name: Physical Review. D, Particles Fields Journal Issue: 1 Vol. 83; ISSN PRVDAQ; ISSN 0556-2821
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BARYONS
COLOR MODEL
COMPARATIVE EVALUATIONS
COMPOSITE MODELS
CONDENSATES
COUPLING
CROSS SECTIONS
EEV RANGE
ELEMENTARY PARTICLES
ENERGY RANGE
EVALUATION
FERMIONS
FIELD THEORIES
FORECASTING
GLASS
HADRONS
LEPTONS
MASSLESS PARTICLES
MATHEMATICAL MODELS
MATHEMATICAL SOLUTIONS
NEUTRINOS
NONLINEAR PROBLEMS
NUCLEONS
PARTICLE MODELS
QUANTUM CHROMODYNAMICS
QUANTUM FIELD THEORY
QUARK MODEL
SIMULATION
TELESCOPES