PoS - Proceedings of Science
Volume 345 - International Conference on Hard and Electromagnetic Probes of High-Energy Nuclear Collisions (HardProbes2018) - Novel Theoretical & Experimental Developments
Bottomonia Suppression from AdS/CFT
N.N. Barnard and W.A. Horowitz*
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Pre-published on: January 11, 2019
Published on: April 24, 2019
Abstract
We compute for the first time the suppression of bottomonia in a strongly-coupled QGP and compare the results to those from a weakly-coupled QGP. Using imaginary time techniques we numerically determine the real and imaginary parts of the ground state binding energy of the bottomonia in one potential computed from AdS/CFT and another computed from pQCD. We then use these binding energies in a suppression model to determine the $\Upsilon$(1S) nuclear modification factor in $\sqrt{s}_{NN}=2.76$ TeV Pb+Pb collisions. AdS/CFT significantly overpredicts the suppression compared to data, although the predictive power of our calculation is limited by its significant sensitivity to the exact details of the suppression model, especially its treatment of the underlying geometry.
DOI: https://doi.org/10.22323/1.345.0049
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