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Evidence for charm-bottom tetraquarks and the mass dependence of heavy-light tetraquark states from lattice QCD

We continue our study of heavy-light four-quark states and find evidence from lattice QCD for the existence of a strong-interaction-stable I(JP)=0(1+) udc¯b¯ tetraquark with mass in the range of 15 to 61 MeV below D¯B* threshold. Since this range includes the electromagnetic D¯Bγ decay threshold, cu...

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Detalles Bibliográficos
Autores principales:	Francis, Anthony, Hudspith, Renwick J., Lewis, Randy, Maltman, Kim
Lenguaje:	eng
Publicado:	2018
Materias:	nucl-th Nuclear Physics - Theory hep-ph Particle Physics - Phenomenology hep-lat Particle Physics - Lattice
Acceso en línea:	https://dx.doi.org/10.1103/PhysRevD.99.054505 http://cds.cern.ch/record/2645400

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