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Non-perturbative structure of semi-inclusive deep-inelastic and Drell-Yan scattering at small transverse momentum.

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Scimemi, Ignazio and Vladimirov, Alexey (2020) Non-perturbative structure of semi-inclusive deep-inelastic and Drell-Yan scattering at small transverse momentum. Journal of high energy physics (6). ISSN 1029-8479

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Official URL: http://dx.doi.org/10.1007/JHEP06(2020)137




Abstract

We consider semi-inclusive deep inelastic scattering (SIDIS) and Drell-Yan events within transverse momentum dependent (TMD) factorization. Based on the simultaneous fit of multiple data points, we extract the unpolarized TMD distributions and the non-perturbative evolution kernel. The high quality of the fit confirms a complete universality of TMD non-perturbative distributions. The extraction is supplemented by phenomenological analyses of various parts of the TMD factorization, such as sensitivity to non-perturbative parameterizations, perturbative orders, collinear distributions, correlations between parameters, and others.


Item Type:Article
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© 2020 The Authors.
We thank Valerio Bertone, Gunar Schnell, Pia Zurita and Elke Aschenauer for stimulation discussions and correspondence. I.S. is supported by the Spanish MECD grant FPA201675654-C2-2-P and PID2019-106080GB-C21. This project has received funding from the European Union Horizon 2020 research and innovation program under grant agreement No 824093 (STRONG-2020). The research was supported by DFG grant N.430824754 as a part of the Research Unit FOR 2926.

Uncontrolled Keywords:Cross section; Collisions; Evolution; Pairs
Subjects:Sciences > Physics > Physics-Mathematical models
Sciences > Physics > Mathematical physics
ID Code:61968
Deposited On:12 Sep 2020 17:10
Last Modified:14 Sep 2020 08:17

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