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Perturbative QCD, resummation and non-perturbative aspects in SIDIS processes

Contributo in Atti di convegno
Data di Pubblicazione:
2016
Abstract:
Semi-inclusive deep inelastic scattering cross sections, as functions of the transverse momentum qT, are addressed. Soft gluon resummation is performed using the original Collins-Soper-Sterman formalism or, equivalently, the improved Transverse Momentum Dependent framework. Focus of this talk is the matching between the region where fixed order perturbative QCD can successfully be applied and the region where soft gluon resummation is necessary. Interestingly, the com- monly used prescription of matching through the so-called Y-factor cannot be applied, at least in the kinematical configurations considered. In particular, the non-perturbative component of the resummed cross section turns out to play a dominant role.
Tipologia CRIS:
04B-Conference paper in rivista
Keywords:
Multidisciplinary
Elenco autori:
Boglione, Mariaelena; Gonzalez Hernandez, J.O.; Melis, Stefano; Prokudin, Alexei
Autori di Ateneo:
BOGLIONE Mariaelena
GONZALEZ HERNANDEZ Jose Osvaldo
Link alla scheda completa:
https://iris.unito.it/handle/2318/1642206
Link al Full Text:
https://iris.unito.it/retrieve/handle/2318/1642206/344484/mariaelena_boglione.pdf
Pubblicato in:
POS PROCEEDINGS OF SCIENCE
Journal
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URL

http://pos.sissa.it/archive/conferences/265/208/DIS2016_208.pdf
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