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A first determination of the unpolarized quark TMDs from a global analysis

Contributo in Atti di convegno
Data di Pubblicazione:
2018
Abstract:
Transverse momentum dependent distribution and fragmentation functions of unpolarized quarks inside unpolarized protons are extracted, for the first time, through a simultaneous analysis of semi-inclusive deep-inelastic scattering, Drell-Yan and Z boson hadroproduction processes. This study is performed at leading order in perturbative QCD, with energy scale evolution at the next-to-leading logarithmic accuracy. Moreover, some specific choices are made to deal with low scale evolution around 1 GeV2. Since only data in the low transverse momentum region are considered, no matching to fixed-order calculations at high transverse momentum is needed.
Tipologia CRIS:
04B-Conference paper in rivista
Elenco autori:
Pisano, Christian; Bacchetta, Alessandro; Delcarro, Filippo; Radici, Marco; Signori, Andrea
Autori di Ateneo:
SIGNORI Andrea
Link alla scheda completa:
https://iris.unito.it/handle/2318/1894392
Link al Full Text:
https://iris.unito.it/retrieve/handle/2318/1894392/1100628/QCDEV2017_010.pdf
Pubblicato in:
POS PROCEEDINGS OF SCIENCE
Journal
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URL

https://pos.sissa.it/308/010/pdf
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