The quark-mass dependence of the potential energy between static colour sources in the QCD vacuum with light and strange quarks

Autor: John Bulava, Francesco Knechtli, Vanessa Koch, Colin Morningstar, Michael Peardon
Jazyk: angličtina
Rok vydání: 2024
Předmět:
Zdroj: Physics Letters B, Vol 854, Iss , Pp 138754- (2024)
Druh dokumentu: article
ISSN: 0370-2693
30733774
DOI: 10.1016/j.physletb.2024.138754
Popis: The low-lying energy spectrum of the static-colour-source-anti-source system in a vacuum containing light and strange quarks is computed using lattice QCD for a range of different light quark masses. The resulting levels are described using a simple model Hamiltonian and the parameters in this model are extrapolated to the physical light-quark masses. In this framework, the QCD string tension is found to be σ=445(3)stat(6)sys MeV.
Databáze: Directory of Open Access Journals
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