Quasitransverse momentum dependent distributions at next-to-next-to-leading order

被引：7
|
作者：
del Rio, Oscar [1 ,2 ]
Vladimirov, Alexey [1 ,2 ]
机构：
[1] Univ Complutense Madrid, Dept Fis Teor, E-28040 Madrid, Spain
[2] Univ Complutense Madrid, IPARCOS, E-28040 Madrid, Spain
来源：
PHYSICAL REVIEW D | 2023年 / 108卷 / 11期
关键词：
D O I：
10.1103/PhysRevD.108.114009
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The partons' transverse momentum can be explored with QCD lattice simulations by studying the quasitransverse-momentum-dependent parton distribution functions (qTMDPDFs), which are factorized in terms of physical TMDPDFs and soft factors in the limit of the large hadron's momentum. We present the next-to-next-to-leading order (NNLO) calculation of the coefficient function for this factorization. Together with already known expressions for anomalous dimensions, this result allows analysis of lattice data at NNLO perturbative accuracy.
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页数：9
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