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Assessing signals of TMD physics in SIDIS azimuthal asymmetries and in the extraction of the Sivers function

Articolo
Data di Pubblicazione:
2018
Abstract:
New data on the Sivers azimuthal asymmetry measured in semi-inclusive deep- inelastic scattering processes have recently been released by the COMPASS Collaboration at CERN. Their increased precision and their particular binning, in terms of Q^2 as well as x, motivates a new extraction of the Sivers function, within the framework of a simple and transparent parametrization. Signals of TMD effects visible in the Sivers asymmetries are critically assessed. A thorough study of the uncertainties affecting the extracted Sivers function is presented, including the low-x and large-x regions.
Tipologia CRIS:
03A-Articolo su Rivista
Keywords:
Deep Inelastic Scattering (Phenomenology); Phenomenological Models; Nuclear and High Energy Physics
Elenco autori:
Boglione, M.; D’Alesio, U.; Flore, C.; Gonzalez-Hernandez, J.O.
Autori di Ateneo:
BOGLIONE Mariaelena
GONZALEZ HERNANDEZ Jose Osvaldo
Link alla scheda completa:
https://iris.unito.it/handle/2318/1672369
Link al Full Text:
https://iris.unito.it/retrieve/handle/2318/1672369/425196/JHEP07-2018-148.pdf
Pubblicato in:
JOURNAL OF HIGH ENERGY PHYSICS
Journal
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URL

http://link.springer.com/journal/13130
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