Speaker
Description
Heavy quark production processes, for both open and bound heavy quark pair production, provide promising probes of transverse momentum dependent gluon distributions (gluon TMDs). In this talk the prospects for gluon TMD extractions using heavy quark production processes will be discussed, focussing on the distributions of unpolarized and linearly polarized gluons inside unpolarized protons, and on gluon distributions inside transversely polarized protons, such as the gluon Sivers TMD. Besides allowing extraction of gluon TMDs, quarkonium production TMD processes present opportunities to learn more about the quarkonium production process itself, by offering new probes of certain poorly known NRQCD long-distance matrix elements and their transverse momentum dependent generalization in the form of shape functions.
