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Determination of the Collins-Soper Kernel from Lattice QCD

URN to cite this document:
urn:nbn:de:bvb:355-epub-517450
DOI to cite this document:
10.5283/epub.51745
Schlemmer, Maximilian ; Vladimirov, Alexey ; Zimmermann, Christian ; Engelhardt, Michael ; Schäfer, Andreas
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Date of publication of this fulltext: 20 Feb 2022 14:54



Abstract

We present lattice results for the non-perturbative Collins-Soper (CS) kernel, which describes the energy-dependence of transverse momentum-dependent parton distributions (TMDs). The CS kernel is extracted from the ratios of first Mellin moments of quasi-TMDs evaluated at different nucleon momenta. The analysis is done with dynamical Nf = 2 + 1 clover fermions for the CLS ensemble H101 (a = ...

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