Nucleon sea parton densities. Differences for neutrinos and muons

Vincenzo Barone, Marco Genovese, Nikolai N. Nikolaev, Enrico Predazzi, Bronislav G. Zakharov

Risultato della ricerca: Contributo su rivistaArticolo in rivistapeer review

Abstract

The nucleon sea parton distributions probed by muons and neutrinos are different since excitation of ss, cc pairs by muons and cs, sc pairs by neutrinos have different mass thresholds. Natural starting points for the structure functions are cv(x, Q2) ≈ sv(x, Q2), in v (v) interactions and cμ(x,Q2) ≪ s μ(x, Q2) in μ interactions. Up to ∼ 20% corrections to the conventional predictions for the neutrino structure functions at small x are predicted. The effects we discuss are in leading twist and persist numerically up to large values of Q2.

Lingua originaleInglese
pagine (da-a)279-286
Numero di pagine8
RivistaPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume268
Numero di pubblicazione2
DOI
Stato di pubblicazionePubblicato - 10 ott 1991
Pubblicato esternamente

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