PoS - Proceedings of Science
Volume 396 - The 38th International Symposium on Lattice Field Theory (LATTICE2021) - Poster
Bottomonium spectral widths at nonzero temperature using maximum likelihood
T. Spriggs*, G. Aarts, C. Allton, T. Burns, B. Jäger, S. Kim, M.P. Lombardo, S. Offler, B. Page, S.M. Ryan and J.I. Skullerud
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Pre-published on: May 16, 2022
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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.
DOI: https://doi.org/10.22323/1.396.0077
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