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Article Dans Une Revue Phys.Rev.C Année : 2018

Properties of structure functions from helicity components of light quarks and antiquarks in the statistical model

Résumé

In the quantum statistical parton distribution approach proposed more than one decade ago to describe the parton structure, new properties are now understood; in particular the relation between quarks and antiquarks leads to very specific properties. The simultaneous treatment of unpolarized and polarized parton distribution functions (PDFs) allows a determination of thermodynamical potentials (the master parameters of the model) which drive their behavior and consequently the behavior of the structure functions. The existence of a possible relation between the gluon and a qq¯ pair leads to define a toy model for the unpolarized and polarized gluons. In view of forthcoming experimental results in the large-x region, specific predictions made by the model are presented.

Dates et versions

hal-01909249 , version 1 (31-10-2018)

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Claude Bourrely. Properties of structure functions from helicity components of light quarks and antiquarks in the statistical model. Phys.Rev.C, 2018, 98 (5), pp.055202. ⟨10.1103/PhysRevC.98.055202⟩. ⟨hal-01909249⟩
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