Excited bottomonia in quark-gluon plasma from lattice QCD

Rasmus Larsen; Stefan Meinel; Swagato Mukherjee; Peter Petreczky

doi:10.1016/j.physletb.2019.135119

Excited bottomonia in quark-gluon plasma from lattice QCD

Rasmus Larsen, Stefan Meinel, Swagato Mukherjee, Peter Petreczky

Physics

Research output: Contribution to journal › Article

2 Scopus citations

Abstract

We present the first lattice QCD study of up to 3S and 2P bottomonia at non-zero temperatures. Correlation functions of bottomonia were computed using novel bottomonium operators and a variational technique, within the lattice non-relativistic QCD framework. We analyzed the bottomonium correlation functions based on simple physically-motivated spectral functions. We found evidence of sequential in-medium modifications, in accordance with the sizes of the bottomonium states.

Original language	English (US)
Article number	135119
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	800
DOIs	https://doi.org/10.1016/j.physletb.2019.135119
State	Published - Jan 10 2020

Keywords

Heavy-ion collision
Lattice QCD
Quark-gluon plasma
Quarkonium

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1016/j.physletb.2019.135119

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Larsen, R., Meinel, S., Mukherjee, S., & Petreczky, P. (2020). Excited bottomonia in quark-gluon plasma from lattice QCD. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 800, [135119]. https://doi.org/10.1016/j.physletb.2019.135119

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AU - Mukherjee, Swagato

AU - Petreczky, Peter

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AB - We present the first lattice QCD study of up to 3S and 2P bottomonia at non-zero temperatures. Correlation functions of bottomonia were computed using novel bottomonium operators and a variational technique, within the lattice non-relativistic QCD framework. We analyzed the bottomonium correlation functions based on simple physically-motivated spectral functions. We found evidence of sequential in-medium modifications, in accordance with the sizes of the bottomonium states.

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KW - Lattice QCD

KW - Quark-gluon plasma

KW - Quarkonium

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