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Pis'ma v Zh. Èksper. Teoret. Fiz., 2012, Volume 95, Issue 2, Pages 61–66 (Mi jetpl2419)  

This article is cited in 2 scientific papers (total in 2 papers)

FIELDS, PARTICLES, AND NUCLEI

Heavy quark currents in Ultra-High Energy Neutrino Interactions

R. Fiorea, V. R. Zollerb

a Università degli Studi della Calabria, Dipartimento di Fisica
b Institute for Theoretical and Experimental Physics (Russian Federation State Scientific Center), Moscow

Abstract: We discuss heavy quark contributions to the neutrino-nucleon total cross section at very high energies, well above the real top production threshold. The top-bottom weak current is found to generate strong left-right asymmetry of neutrino-nucleon interactions. We separate contributions of different helicity states and make use of the $\boldsymbol{\kappa}$-factorization to derive simple and practically useful formulas for the left-handed ($F_L$) and right-handed ($F_R$) components of the conventional structure function $2xF_3=F_L-F_R$ in terms of the integrated gluon density. We show that $F_L\gg F_R$ and, consequently, $xF_3\approx F_T$, where $F_T$ is the transverse structure function. The conventional structure function $F_2=F_S+F_T$ at $Q^2\ll m_t^2$ appears to be dominated by its scalar (also known as longitudinal) component $F_S$ and the hierarchy $F_S\gg F_L\gg F_R$ arises naturally. We evaluate the total neutrino-nucleon cross section at ultra-high energies within the color dipole BFKL-formalism.

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English version:
Journal of Experimental and Theoretical Physics Letters, 2012, 95:2, 55–60

Bibliographic databases:

Document Type: Article
Received: 15.12.2011
Language: English

Citation: R. Fiore, V. R. Zoller, “Heavy quark currents in Ultra-High Energy Neutrino Interactions”, Pis'ma v Zh. Èksper. Teoret. Fiz., 95:2 (2012), 61–66; JETP Letters, 95:2 (2012), 55–60

Citation in format AMSBIB
\Bibitem{FioZol12}
\by R.~Fiore, V.~R.~Zoller
\paper Heavy quark currents in Ultra-High Energy Neutrino Interactions
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
\yr 2012
\vol 95
\issue 2
\pages 61--66
\mathnet{http://mi.mathnet.ru/jetpl2419}
\elib{http://elibrary.ru/item.asp?id=17706692}
\transl
\jour JETP Letters
\yr 2012
\vol 95
\issue 2
\pages 55--60
\crossref{https://doi.org/10.1134/S002136401202004X}
\isi{http://gateway.isiknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&DestLinkType=FullRecord&DestApp=ALL_WOS&KeyUT=000302236200001}
\elib{http://elibrary.ru/item.asp?id=17981261}
\scopus{http://www.scopus.com/record/display.url?origin=inward&eid=2-s2.0-84859023457}


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    Citing articles on Google Scholar: Russian citations, English citations
    Related articles on Google Scholar: Russian articles, English articles

    This publication is cited in the following articles:
    1. JETP Letters, 96:11 (2012), 687–693  mathnet  crossref  isi  elib  elib
    2. Yu. S. Jeong, Minh Vu Luu, M. H. Reno, I. Sarcevic, “Tau Energy Loss and Ultrahigh Energy Skimming Tau Neutrinos”, Phys. Rev. D, 96:4 (2017), 043003  crossref  mathscinet  isi  scopus
  •       Pis'ma v Zhurnal ksperimental'noi i Teoreticheskoi Fiziki
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