English

Statistical description of the proton spin with a large gluon helicity distribution

High Energy Physics - Phenomenology 2015-06-22 v1

Abstract

The quantum statistical parton distributions approach proposed more than one decade ago is revisited by considering a larger set of recent and accurate Deep Inelastic Scattering (DIS) experimental results. It enables us to improve the description of the data by means of a new determination of the parton distributions. We will see that a large gluon polarization emerges, giving a significant contribution to the proton spin.

Keywords

Cite

@article{arxiv.1408.7057,
  title  = {Statistical description of the proton spin with a large gluon helicity distribution},
  author = {Claude Bourrely and Jacques Soffer},
  journal= {arXiv preprint arXiv:1408.7057},
  year   = {2015}
}

Comments

11 pages, 4 figures