Abstract
The understanding of quarkonium production in heavy-ion collisions requires the inclusion of many phenomena such as dissociation in the QGP, partonic energy loss, statistical recombination, on top of cold nuclear matter effects (modifications of nPDFs, initial-state energy loss, nuclear break-up). The Compact Muon Solenoid (CMS) collaboration has measured various quarkonium states via their decay into muon pairs in pp, pPb and PbPb collisions at 5.02 TeV, and can address some of these phenomena. In this talk, the most recent CMS results on quarkonium production will be presented.
Highlights
The understanding of quarkonium production in heavy-ion collisions requires the inclusion of many phenomena such as dissociation in the QGP, partonic energy loss, statistical recombination, on top of cold nuclear matter effects
The measurement of quarkonium production in heavy ion collisions constitutes a powerful probe for studying properties of matter at high energy densities and temperatures
Recent measurements of quarkonium production performed by the Compact Muon Solenoid (CMS) Collaboration have been found to support theoretical models of sequential melting of quarkonia in QGP [1, 2, 3]
Summary
The measurement of quarkonium production in heavy ion collisions constitutes a powerful probe for studying properties of matter at high energy densities and temperatures. The Compact Muon Solenoid (CMS) collaboration has measured various quarkonium states via their decay into muon pairs in pp, pPb and PbPb collisions at 5.02 TeV, and can address some of these phenomena.
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