Accessing the subleading-twist B-meson light-cone distribution amplitude with large-momentum effective theory

被引：5
|
作者：
Hu, Shu-Man [1 ]
Wang, Wei [2 ]
Xu, Ji [1 ]
Zhao, Shuai [2 ,3 ]
机构：
[1] Zhengzhou Univ, Sch Phys & Microelect, Zhengzhou 450001, Henan, Peoples R China
[2] Shanghai Jiao Tong Univ, Sch Phys & Astron, Shanghai Key Lab Particle Phys & Cosmol, Key Lab Particle Astrophys & Cosmol MOE,INPAC, Shanghai 200240, Peoples R China
[3] Tianjin Univ, Dept Phys, Tianjin 300350, Peoples R China
来源：
PHYSICAL REVIEW D | 2024年 / 109卷 / 03期
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
QCD FACTORIZATION; FORM-FACTORS; SYMMETRY; DECAYS;
D O I：
10.1103/PhysRevD.109.034001
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Within the framework of large-momentum effective theory (LaMET), we propose a hard-collinear factorization formula to extract the subleading-twist B -meson light-cone distribution amplitude (LCDA) from the quasidistribution amplitude calculated on the lattice. The one -loop matching coefficient and an integro-differential equation governing the evolution of the quasidistribution amplitude are derived. Our results could be useful either in evaluating the subleading-twist B -meson LCDA on the lattice or in the understanding the feasibility of LaMET on higher-twist distributions.
引用
收藏
页数：10
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