String breaking by light and strange quarks in QCD

The energy spectrum of a system containing a static quark anti-quark pair is computed for a wide range of source separations using lattice QCD with Nf=2+1 dynamical flavours. By employing a variational method with a basis including operators resembling both the gluon string and systems of two separa...

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Bibliographic Details
Main Authors: John Bulava, Ben Hörz, Francesco Knechtli, Vanessa Koch, Graham Moir, Colin Morningstar, Mike Peardon
Format: Article
Language:English
Published: Elsevier 2019-06-01
Series:Physics Letters B
Online Access:http://www.sciencedirect.com/science/article/pii/S0370269319303284