Statistical effect in the parton distribution functions of the nucleon

Details Statistical effect in the parton distribution functions of the nucleon Statistical effect in the parton distribution functions of the nucleon

2008-12-17

arxiv.org/abs/0812.3294v1

Phys.Lett.B671:30-35,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

16 latex pages, 10 figures, to appear in PLB

Scientific paper

10.1016/j.physletb.2008.11.033

A new and simple statistical approach is performed to calculate the parton distribution functions (PDFs) of the nucleon in terms of light-front kinematic variables. We do not put in any extra arbitrary parameter or corrected term by hand, which guarantees the stringency of our approach. Analytic expressions of the $x$-dependent PDFs are obtained in the whole $x$ region [0,1], and some features, especially the low-$x$ rise, are more agreeable with experimental data than those in some previous instant-form statistical models in the infinite-momentum frame (IMF). Discussions on heavy-flavored PDFs are also presented.

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