Bottomonium spectral widths at nonzero temperature using maximum likelihood

Thomas Spriggs*, Gert Aarts, Chris Allton, Timothy Burns, Benjamin Jäger, Seyong Kim, Maria Paola Lombardo, Sam Offler, Ben Page, Sinéad M. Ryan, Jon Ivar Skullerud

*Corresponding author for this work

Research output: Contribution to journalConference articleResearchpeer-review

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Abstract

We present progress results from the Fastsum collaboration's programme to determine the spectrum of the bottomonium system as a function of temperature using a variety of approaches. In these proceedings, the Maximum Likelihood approach is used with an Ansatz comprising of a Gaussian spectral function for the ground state. Fastsum anisotropic lattices with 2 + 1 dynamical quark flavours were used with temperatures ranging from 47 to 375 MeV.

Original languageEnglish
Article number077
JournalProceedings of Science
Volume396
ISSN1824-8039
DOIs
Publication statusPublished - 8. Jul 2022
Event38th International Symposium on Lattice Field Theory, LATTICE 2021 - Virtual, Online, United States
Duration: 26. Jul 202130. Jul 2021

Conference

Conference38th International Symposium on Lattice Field Theory, LATTICE 2021
Country/TerritoryUnited States
CityVirtual, Online
Period26/07/202130/07/2021

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