THE TRANSVERSE MOMENTUM DEPENDENT STATISTICAL PARTON DISTRIBUTIONS REVISITED

Author:

BOURRELY CLAUDE1,BUCCELLA FRANCO2,SOFFER JACQUES3

Affiliation:

1. Département de Physique, Faculté des Sciences de Luminy, Aix-Marseille Université, 13288 Marseille, Cedex 09, France

2. INFN, Sezione di Napoli, Via Cintia, Napoli I-80126, Italy

3. Physics Department, Temple University, Barton Hall, 1900 N, 13th Street, Philadelphia, PA 19122-6082, USA

Abstract

The extension of the statistical parton distributions to include their transverse momentum dependence (TMD) is revisited by considering that the proton target has a finite longitudinal momentum. The TMD will be generated by means of a transverse energy sum rule. The new results are mainly relevant for electron–proton inelastic collisions in the low Q2 region. We take into account the effects of the Melosh–Wigner rotation for the helicity distributions.

Publisher

World Scientific Pub Co Pte Lt

Subject

Astronomy and Astrophysics,Nuclear and High Energy Physics,Atomic and Molecular Physics, and Optics

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