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Your search keyword '"D'Arcy, Rachel Horohan"' showing total 2 results
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2 results on '"D'Arcy, Rachel Horohan"'

1. Hadrons at high temperature: an update from the FASTSUM collaboration

Author

Skullerud, Jon-Ivar, Aarts, Gert, Allton, Chris, Anwar, M. Naeem, Bignell, Ryan, Burns, Tim, García-Mascaraque, Sergio Chaves, Hands, Simon, D'Arcy, Rachel Horohan, Jäger, Benjamin, Kim, Seyong, Lombardo, Maria Paola, Murphy, Eoghan, Offler, Sam, Page, Ben, Ryan, Sinéad M., Spriggs, Thomas, Stasiak, Dawid, and Ziegler, Felix P. G.

Subjects
High Energy Physics - Lattice, High Energy Physics - Phenomenology, Nuclear Theory
Abstract

We present the most recent results from the FASTSUM collaboration for hadron properties at high temperature. This includes the temperature dependence of the light and charmed meson and baryon spectrum, as well as properties of heavy quarkonia. The results are obtained using anisotropic lattices with a fixed scale approach. We also present the status of our next generation gauge ensembles., Comment: 8 pages, 8 figures. Contribution to the XVth Quark Confinement and the Hadron Spectrum, 1-6 August 2022, Stavanger, Norway

Published
2022
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2. A comparison of spectral reconstruction methods applied to non-zero temperature NRQCD meson correlation functions

Author

Spriggs, Thomas, Aarts, Gert, Allton, Chris, Burns, Timothy, D'Arcy, Rachel Horohan, Jäger, Benjamin, Kim, Seyong, Lombardo, Maria-Paola, Offler, Sam, Page, Ben, Ryan, Sinead M., and Skullerud, Jon-Ivar

Subjects
High Energy Physics - Lattice
Abstract

We present results from the fastsum collaboration's programme to determine the spectrum of the bottomonium system as a function of temperature. Three different methods of extracting spectral information are discussed: a Maximum Likelihood approach using a Gaussian spectral function for the ground state, the Backus Gilbert method, and the Kernel Ridge Regression machine learning procedure. We employ the fastsum anisotropic lattices with 2+1 dynamical quark flavours, with temperatures ranging from 47 to 375 MeV., Comment: 8 pages, 4 figures. Presented at A Virtual Tribute to Quark Confinement and the Hadron Spectrum, August 2-6 2021, University of Stavanger, Stavanger, Norway

Published
2021
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