scheme dependence and transverse momentum distribution interpretation of collins–soper–sterman resummation
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ID: 189708
2015
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Abstract
Following an earlier derivation by Catani, de Florian and Grazzini (2000) on the scheme dependence in the Collins–Soper–Sterman (CSS) resummation formalism in hard scattering processes, we investigate the scheme dependence of the Transverse Momentum Distributions (TMDs) and their applications. By adopting a universal C-coefficient function associated with the integrated parton distributions, the difference between various TMD schemes can be attributed to a perturbative calculable function depending on the hard momentum scale. We further apply several TMD schemes to the Drell–Yan process of lepton pair production in hadronic collisions, and find that the constrained non-perturbative form factors in different schemes are consistent with each other and with that of the standard CSS formalism.
| Reference Key |
prokudin2015physicsscheme
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|---|---|
| Authors | ;Alexei Prokudin;Peng Sun;Feng Yuan |
| Journal | ACS chemical biology |
| Year | 2015 |
| DOI |
10.1016/j.physletb.2015.09.064
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| URL | |
| Keywords | Keywords not found |
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