A parton branching with transverse momentum dependent splitting functions

被引：5
|
作者：
Hautmann, F. [1 ,2 ,3 ]
Hentschinski, M. [4 ]
Keersmaekers, L. [1 ]
Kusina, A. [5 ]
Kutak, K. [5 ]
Lelek, A. [1 ]
机构：
[1] Univ Antwerp, Elementaire Deeltjes Fys, B-2020 Antwerp, Belgium
[2] CERN, Theory Dept, CH-1211 Geneva, Switzerland
[3] Univ Oxford, Theoret Phys Dept, Oxford OX1 3PU, England
[4] Univ Americas Puebla, Cholula 72820, Mexico
[5] Polish Acad Sci, Inst Nucl Phys, Ul Radzikowskiego 152, PL-31342 Krakow, Poland
来源：
PHYSICS LETTERS B | 2022年 / 833卷
关键词：
HIGH-ENERGY FACTORIZATION; POMERANCHUK SINGULARITY; SCATTERING;
D O I：
10.1016/j.physletb.2022.137276
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
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. (C) 2022 The Author(s). Published by Elsevier B.V.
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收藏
页数：7
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