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Nucleon- J/ψ and nucleon- ηc scattering in Pc pentaquark channels from lattice QCD

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Skerbis, U. ; Prelovsek, S.
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Date of publication of this fulltext: 06 Apr 2021 13:41


The lattice QCD simulation of NJ/ψ and Nηc scattering is performed at mπ≃266  MeV in channels with all possible JP. This includes JP=3/2± and 5/2± where LHCb discovered Pc(4380) and Pc(4450) pentaquark states in proton-J/ψ decay. This is the first lattice simulation that reaches the energies 4.3–4.5 GeV where pentaquarks reside. Several decay channels are open in this energy region, and we ...


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