TL;DR
This paper reviews recent theoretical calculations of bottomonium suppression in quark-gluon plasma, using a complex potential approach to predict suppression patterns that are compared with experimental data.
Contribution
It introduces a complex-valued non-relativistic potential to calculate bottomonium binding energies and decay widths in a dynamically evolving quark-gluon plasma.
Findings
Predicted suppression patterns for various bottomonium states match experimental data.
Quantified the effects of plasma anisotropy on bottomonium decay widths.
Provided detailed dependence of suppression on collision centrality, rapidity, and transverse momentum.
Abstract
I review recent calculations of the suppression of bottomonium states in heavy ion collisions. A non-relativistic potential is used which is complex valued. This allows one to extract the binding energies and decay widths of the ground and excited states of bottomonium as a function of the typical plasma particle momentum and momentum-space anisotropy. The decay widths determined are used as input and integrated over space-time taking into account the dynamical evolution of the typical particle momentum and momentum-space anisotropy. The suppression of Upsilon(1s), Upsilon(2s), Upsilon(3s), chi_b1, and chi_b2 is obtained as a function of centrality, rapidity, and transverse momentum. The obtained results are compared with data from the STAR and CMS collaborations.
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