Collinear matching for Sivers function at next-to-leading order

Collinear matching for Sivers function at next-to-leading order

Abstract We evaluate the light-cone operator product expansion for unpolarized transverse momentum dependent (TMD) operator in the background-field technique up twist-3 inclusively. The next-to-leading order (NLO) matching coefficient for the Sivers function is derived. The method, as well as many d...

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Bibliographic Details
Main Authors: Ignazio Scimemi, Andrey Tarasov, Alexey Vladimirov
Format: Article
Language:English
Published: SpringerOpen 2019-05-01
Series:Journal of High Energy Physics
Subjects:
NLO Computations
Deep Inelastic Scattering (Phenomenology)
Online Access:http://link.springer.com/article/10.1007/JHEP05(2019)125
Description
Summary:Abstract We evaluate the light-cone operator product expansion for unpolarized transverse momentum dependent (TMD) operator in the background-field technique up twist-3 inclusively. The next-to-leading order (NLO) matching coefficient for the Sivers function is derived. The method, as well as many details of the calculation are presented.
ISSN:1029-8479

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