期刊论文

【摘要】

We present an in-depth analysis of transverse momentum dependent (TMD) distributions of twist-three. In particular, we focus on evolution equations, symmetry relations, parameterization, interpretation, small-b asymptotic behaviour and the structure of singularities. The starting point of discussion are the correlators with the definite TMD-twist. By considering suitable combinations of these correlators, we introduce physical TMD distribution of twist-three that can be used for practical applications. We also establish relations with generic TMD distribution of twist-three, and demonstrate that their evolution equations are autonomous in the large-Nc limit.

【授权许可】

Unknown
© The Author(s) 2022

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Journal of High Energy Physics
Definition and evolution of transverse momentum dependent distribution of twist-three
Regular Article - Theoretical Physics
Simone Rodini¹ Alexey Vladimirov²
[1] Institut für Theoretische Physik, Universität Regensburg, D-93040, Regensburg, Germany;Institut für Theoretische Physik, Universität Regensburg, D-93040, Regensburg, Germany;Dpto. de Física Teórica & IPARCOS, Universidad Complutense de Madrid, E-28040, Madrid, Spain;
关键词: Factorization; Renormalization Group; Parton Distributions;
DOI : 10.1007/JHEP08(2022)031
received in 2022-04-28, accepted in 2022-06-22, 发布年份 2022
来源: Springer
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