Quarkonium production and TMDs at LHC
D'Alesio, Umberto;Pisano, Cristian;
2019-01-01
Abstract
In this contribution we briefly discuss an ongoing phenomenological programme on quarkonium production in unpolarized and polarized proton-proton collisions in a fixed target setup at LHCb, the LHCSpin project. Within a TMD approach, we aim at considering in particular: the relative role of the NRQCD color-singlet and color-octet production mechanisms, both for unpolarized and polarized quarkonium production; the study of azimuthal and transverse single-spin asymmetries as a phenomenological tool for learning about the almost unknown gluon Sivers function; the role of initial- and final-state interactions for spin asymmetries.File | Size | Format | |
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DIS2019_230.pdf open access
Type: versione post-print
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167.77 kB | Adobe PDF | View/Open |
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