paper

A parton branching with transverse momentum dependent splitting functions

arXiv:2205.15873 · doi:10.1016/j.physletb.2022.137276

Abstract

Off-shell, transverse-momentum dependent splitting functions can be defined from the high-energy limit of partonic decay amplitudes. Based on these splitting functions, we construct Sudakov form factors and formulate a new parton branching algorithm. We present a first Monte Carlo implementation of the algorithm. We use the numerical results to verify explicitly momentum sum rules for TMD parton distributions.

8 pages, 5 figures

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