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Definition and evolution of transverse momentum dependent distribution of twist-three

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Rodini, Simone and Vladimirov, Alexey (2022) Definition and evolution of transverse momentum dependent distribution of twist-three. Journal of high energy physics (8). ISSN 1029-8479

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Official URL: http://dx.doi.org/10.1007/JHEP08(2022)031

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Abstract

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-N-c limit.

Item Type:	Article
Additional Information:	© The Authors. Authors are thankful to V.Braun, I.Scimemi and H.Avakian for discussions, helpful comments and suggestions. This study was supported by Deutsche Forschungsgemeinschaft (DFG) through the research Unit FOR 2926, "Next Generation pQCD for Hadron Structure: Preparing for the EIC", project number 430824754.
Uncontrolled Keywords:	Parton distribution functions; Renormalization; Operators; Equations; Spin.
Subjects:	Sciences > Physics
ID Code:	76857
Deposited On:	03 Mar 2023 18:29
Last Modified:	03 Mar 2023 18:29

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