Generalized transverse momentum distributions, one of the most fundamental hadronic quantities, share the same problematic issue as the transverse momentum distributions: rapidity divergences.
In order to cancel them, a (square root of a) soft function should also be included in their definition.
By doing this, we manage to obtain their evolution kernel, which is universal for all polarizations.
Definition and evolution of GTMDs
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Pre-published on:
February 10, 2017
Published on:
March 28, 2017
Abstract
DOI: https://doi.org/10.22323/1.284.0035
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Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.