Lattice QCD Calculations of Transverse-Momentum-Dependent Soft Function through Large-Momentum Effective Theory

Zhang, Qi-An; Hua, Jun; Huo, Yi-Kai; Ji, Xiangdong; Liu, Yizhuang; Liu, Yusheng; Schlemmer, Maximilian; Schäfer, Andreas; Sun, Peng; Wang, Wei; Yang, Yi-Bo

doi:10.1103/physrevlett.125.192001

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Lattice QCD Calculations of Transverse-Momentum-Dependent Soft Function through Large-Momentum Effective Theory

Published in Physical Review Letters • Nov 3, 2020

Authors:

Qi-An Zhang

Jun Hua

Yi-Kai Huo

Abstract

The transverse-momentum-dependent (TMD) soft function is a key ingredient in QCD factorization of Drell-Yan and other processes with relatively small transverse momentum. We present a lattice QCD study of this function at moderately large rapidity on a 2+1 flavor CLS dynamic ensemble with a=0.098 fm...

Subject

Physics

Rapidity

Quantum chromodynamics

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