Title: Bottomonium suppression and elliptic flow using Heavy Quarkonium Quantum Dynamics

Abstract

We introduce a framework called Heavy Quarkonium Quantum Dynamics (HQQD) which can be used to compute the dynamical suppression of heavy quarkonia propagating in the quark-gluon plasma using real-time in-medium quantum evolution. Using HQQD we compute large sets of real-time solutions to the Schrödinger equation using a realistic in-medium complex-valued potential. We sample 2 million quarkonia wave packet trajectories and evolve them through the QGP using HQQD to obtain their survival probabilities. The computation is performed using three different HQQD model parameter sets in order to estimate our systematic uncertainty. After taking into account final state feed down we compare our results to existing experimental data for the suppression and elliptic flow of bottomonium states and find that HQQD predictions are good agreement with available data for R_AA as a function of N_part and p_T collected at \( \sqrt{s_{\mathrm{NN}}} \) = 5.02 TeV. In the case of v₂ for the various states, we find that the path-length dependence of ϒ(1s) suppression results in quite small v₂ for ϒ(1s). Our prediction for the integrated elliptic flow for ϒ(1s) in the 10–90% centrality class, which now includes an estimate of the systematic error, is v₂[ϒ(1s)] = 0.003 ± 0.0007 ± \( {}_{0.0013}^{0.0006}more » \). We also find that, due to their increased suppression, excited bottomonium states have a larger elliptic flow. Based on this observation we make predictions for v₂[ϒ(2s)] and v₂[ϒ(3s)] as a function of centrality and transverse momentum.« less

Authors:

Islam, Ajaharul ^[1]; Strickland, Michael  ^[1]

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+ Show Author Affiliations

1. Kent State Univ., Kent, OH (United States). Dept. of Physics

Publication Date:

Wed Mar 24 00:00:00 EDT 2021

Research Org.:

Kent State Univ., Kent, OH (United States)

Sponsoring Org.:

USDOE Office of Science (SC), Nuclear Physics (NP)

OSTI Identifier:

1851801

Grant/Contract Number:  

SC0013470

Resource Type:

Accepted Manuscript

Journal Name:

Journal of High Energy Physics (Online)

Additional Journal Information:

Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2021; Journal Issue: 3; Journal ID: ISSN 1029-8479

Publisher:

Springer Nature

Country of Publication:

United States

Language:

English

Subject:

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; physics; heavy ion phenomenology; QCD phenomenology