Parton distribution functions and transverse momentum dependence of heavy mesons

被引：1

作者：

Serna, Fernando E. ^{[1
]}

El-Bennich, Bruno ^{[2
,3
]}

Krein, Gastao ^{[3
]}

机构：

[1] Univ Sucre, Dept Fis, Carrera 28 5-267, Sincelejo, Colombia

[2] Univ Fed Sao Paulo, Dept Fis, Rua Sao Nicolau 210, BR-09913030 Diadema, SP, Brazil

[3] Univ Estadual Paulista, Inst Fis Teor, Rua Dr Bento Teobaldo Ferraz,271 Bloco 2, BR-01140070 Sao Paulo, SP, Brazil

来源：

PHYSICAL REVIEW D | 2024年 / 110卷 / 11期

基金：

巴西圣保罗研究基金会;

关键词：

WAVE-FUNCTIONS;

D O I：

10.1103/PhysRevD.110.114033

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The leading Fock-state light-front wave functions of heavy quarkonia and D and B mesons are obtained from the projections of their Bethe-Salpeter wave functions on the light front. We compute their leadingtwist time-reversal even transverse momentum distributions and parton distribution functions. Mirroring the behavior of parton distribution amplitudes, the support of both distributions is increasingly narrower and shifted toward larger x as a function of the meson mass. The dependence of x and k2 perpendicular to of the transverse distributions does not factorize into separate functions, and their falloff with k2 perpendicular to is much slower than that of light mesons.

引用

页数：8

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