Speaker
Description
Quarkonia has been long regarded as golden probes to study the fundamental (de)confinement of Quantum Chromodynamics (QCD). Understanding their production provided crucial information for the physics on non-perturbative QCD factorization. However, the mechanism behind the production of various quarkonium states are still under investigation even after ~50 years from the discovery of the J/Psi meson in 1974, the “November Revolution”. In this talk, the recent results for inclusive quarkonium production in proton-proton collisions at the LHC, reported by the ALICE, ATLAS, CMS, and LHCb Collaborations, are reviewed and discussed in terms of production mechanism such as Colour Evaporation Model (CEM), Colour-Singlet Model (CSM), and non-relativistic QCD (NRQCD).
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