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The in-medium sum rules are employed to calculate the shifts in the mass and residue as well as the scalar and vector self-energies of the heavy ΛQ,ΣQ and ΞQ baryons, with Q being b or c quark. The maximum shift in mass due to nuclear matter belongs to the Σc baryon and it is found to be ΔmΣc=−936 MeV. In the case of residue, it is obtained that the residue of Σb baryon is maximally affected by the...
We study the strong interactions among the heavy bottom spin-1/2 Σb baryon, nucleon and B meson as well as the heavy charmed spin-1/2 Σc baryon, nucleon and D meson in the context of QCD sum rules. We calculate the corresponding strong coupling form factors defining these vertices by using a three point correlation function. We obtain the numerical values of the corresponding strong coupling constants...
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