Nucleon parton distributions in a light-front quark model

Abstract

Continuing our analysis of parton distributions in the nucleon, we extend our light-front quark model in order to obtain both the helicity-independent and the helicity-dependent parton distributions, analytically matching the results of global fits at the initial scale μ∼ 1 GeV; they also contain the correct Dokshitzer–Gribov–Lipatov–Altarelli–Parisi evolution. We also calculate the transverse parton, Wigner and Husimi distributions from a unified point of view, using our light-front wave functions and expressing them in terms of the parton distributions q_v(x) and δq_v(x). Our results are very relevant for the current and future program of the COMPASS experiment at SPS (CERN).

Original language	English
Article number	86
Journal	European Physical Journal C
Volume	77
Issue number	2
DOIs	https://doi.org/10.1140/epjc/s10052-017-4648-5
Publication status	Published - 1 Feb 2017

ASJC Scopus subject areas

Engineering (miscellaneous)
Physics and Astronomy (miscellaneous)

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Gutsche, T., Lyubovitskij, V. E., & Schmidt, I. (2017). Nucleon parton distributions in a light-front quark model. European Physical Journal C, 77(2), [86]. https://doi.org/10.1140/epjc/s10052-017-4648-5

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