Abstract
Typically, a production of a particle with a small transverse momentum in hadron-hadron collisions is described by CSS-based TMD factorization at moderate Bjorken xB ~ 1 and by kT-factorization at small xB. A uniform description valid for all xB is provided by rapidity-only TMD factorization developed in a series of recent papers at the tree level. In this paper the rapidity-only TMD factorization for particle production by gluon fusion is extended to the one-loop level.
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Balitsky, I. Rapidity-only TMD factorization at one loop. J. High Energ. Phys. 2023, 29 (2023). https://doi.org/10.1007/JHEP03(2023)029
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DOI: https://doi.org/10.1007/JHEP03(2023)029