RT Journal Article
T1 Collinear matching for Sivers function at next-to-leading order.
A1 Scimemi, Ignazio
A1 Tarasov, Andrey
A1 Vladimirov, Alexey
AB 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.
PB Springer
SN 1029-8479
YR 2019
FD 2019-05-21
LK https://hdl.handle.net/20.500.14352/13423
UL https://hdl.handle.net/20.500.14352/13423
LA eng
NO © 2019 Springer.A.V. gratefully acknowledges V. Braun and A. Manashov for numerous stimulating discussions and help in clarifying several aspects of higher twist calculus. I.S. is supported by the Spanish MECD grant FPA2016-75654-C2-2-P. A.T. is grateful to J.W. Qiu and W. Vogelsang for valuable discussions and is supported by the U.S. Department of Energy, Office of Science, Office of Nuclear Physics under contract DE-AC02-98CH10886 and in part by the US DOE Transverse Momentum Dependent (TMD) Topical Theory Collaboration.
NO Ministerio de Educación Cultura y Deporte (MECD)
DS Docta Complutense
RD 4 may 2024