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Quarkonium production and TMDs at LHC

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arxiv 1909.00763 v1 pith:G24RLWGE submitted 2019-09-02 hep-ph

classification hep-ph
keywords productionquarkoniumasymmetriesphenomenologicalpolarizedroleunpolarizedalmost
verification ladder T0 review T1 audit T2 compute T3 formal
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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.

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