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Title: Asymptotic neutrino-nucleon cross section and saturation effects

Abstract

In this paper we present a simple analytic expression for the (spin-averaged) neutrino-nucleon cross section for ultrahigh energies at twist-2, obtained as the asymptotic limit of our previous findings. This expression gives values for the cross section in remarkable numerical agreement with the previous numerical evaluation in the energy region relevant for forthcoming neutrino experiments. Moreover, we discuss the role and the relevance of saturation and recombination effects in our approach, in comparison with other recent suggestions.

Authors:
;  [1];  [2];  [3];  [4]
  1. Dipartimento di Fisica, Universita della Calabria, Istituto Nazionale di Fisica Nucleare, Gruppo collegato di Cosenza, I-87036 Arcavacata di Rende, Cosenza (Italy)
  2. Bogolyubov Institute for Theoretical Physics, Academy of Sciences of Ukraine, UA-03143 Kiev (Ukraine)
  3. Bogolyubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, RU-141980 Dubna (Russian Federation)
  4. Dipartimento di Fisica, Universita di Padova, Istituto Nazionale di Fisica Nucleare, Sezione di Padova, via F. Marzolo 8, I-35131 Padova (Italy)
Publication Date:
OSTI Identifier:
20776847
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physical Review. D, Particles Fields; Journal Volume: 73; Journal Issue: 5; Other Information: DOI: 10.1103/PhysRevD.73.053012; (c) 2006 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; COMPARATIVE EVALUATIONS; CROSS SECTIONS; NEUTRINO REACTIONS; NEUTRINO-NUCLEON INTERACTIONS; NEUTRINOS; NUCLEONS; RECOMBINATION; SPIN

Citation Formats

Fiore, R., Papa, A., Jenkovszky, L.L., Kotikov, A.V., and Paccanoni, F. Asymptotic neutrino-nucleon cross section and saturation effects. United States: N. p., 2006. Web. doi:10.1103/PhysRevD.73.053012.
Fiore, R., Papa, A., Jenkovszky, L.L., Kotikov, A.V., & Paccanoni, F. Asymptotic neutrino-nucleon cross section and saturation effects. United States. doi:10.1103/PhysRevD.73.053012.
Fiore, R., Papa, A., Jenkovszky, L.L., Kotikov, A.V., and Paccanoni, F. Wed . "Asymptotic neutrino-nucleon cross section and saturation effects". United States. doi:10.1103/PhysRevD.73.053012.
@article{osti_20776847,
title = {Asymptotic neutrino-nucleon cross section and saturation effects},
author = {Fiore, R. and Papa, A. and Jenkovszky, L.L. and Kotikov, A.V. and Paccanoni, F.},
abstractNote = {In this paper we present a simple analytic expression for the (spin-averaged) neutrino-nucleon cross section for ultrahigh energies at twist-2, obtained as the asymptotic limit of our previous findings. This expression gives values for the cross section in remarkable numerical agreement with the previous numerical evaluation in the energy region relevant for forthcoming neutrino experiments. Moreover, we discuss the role and the relevance of saturation and recombination effects in our approach, in comparison with other recent suggestions.},
doi = {10.1103/PhysRevD.73.053012},
journal = {Physical Review. D, Particles Fields},
number = 5,
volume = 73,
place = {United States},
year = {Wed Mar 01 00:00:00 EST 2006},
month = {Wed Mar 01 00:00:00 EST 2006}
}