Lattice calculation of the intrinsic soft function and the Collins-Soper kernel

URN to cite this document:: urn:nbn:de:bvb:355-epub-554426
DOI to cite this document:: 10.5283/epub.55442

Chu, Min-Huan ; He, Jin-Chen ; Hua, Jun ; Liang, Jian ; Ji, Xiangdong ; Schäfer, Andreas

; Shu, Hai-Tao

; Su, Yushan ; Walter, Lisa

; Wang, Wei

; Wang, Ji-Hao ; Yang, Yi-Bo ; Zeng, Jun ; Zhang, Qi-An

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Date of publication of this fulltext: 08 Feb 2024 13:45

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Abstract

We calculate the soft function using lattice QCD in the framework of large momentum effective theory incorporating the one-loop perturbative contributions. The soft function is a crucial ingredient in the lattice determination of light cone objects using transverse-momentum-dependent (TMD) factorization. It consists of a rapidity-independent part called intrinsic soft function and a ...