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Flavor dependence of unpolarized quark transverse momentum distributions from a global fit

Articolo
Data di Pubblicazione:
2024
Abstract:
We present an extraction of the unpolarized transverse-momentum-dependent parton distribution and fragmentation functions that takes into account possible differences between quark flavors and final-state hadrons. The extraction is based on experimental measurements from Drell-Yan processes and semi-inclusive deep-inelastic scattering, whose combination is essential to distinguish flavor differences. The analysis is carried out at N3LL accuracy. The extracted flavor-dependent distributions give a very good description of the data (chi 2/Ndat = 1.08). The resulting error bands take fully into account also the uncertainties in the determination of the corresponding collinear distributions.
Tipologia CRIS:
03A-Articolo su Rivista
Keywords:
Parton Distributions; Deep Inelastic Scattering; hadronic collisions; QCD Phenomenology
Elenco autori:
Bacchetta, Alessandro; Bertone, Valerio; Bissolotti, Chiara; Bozzi, Giuseppe; Cerutti, Matteo; Delcarro, Filippo; Radici, Marco; Rossi, Lorenzo; Signori, Andrea
Autori di Ateneo:
SIGNORI Andrea
Link alla scheda completa:
https://iris.unito.it/handle/2318/2012331
Link al Full Text:
https://iris.unito.it/retrieve/handle/2318/2012331/1372790/JHEP08(2024)232.pdf
Pubblicato in:
JOURNAL OF HIGH ENERGY PHYSICS
Journal
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URL

https://link.springer.com/article/10.1007/JHEP08(2024)232
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