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.
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页数：8
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