Spectra of Baryons Containing Two Heavy Quarks in Potential Model

Details Spectra of Baryons Containing Two Heavy Quarks in Potential Model Spectra of Baryons Containing Two Heavy Quarks in Potential Model

1999-10-07

arxiv.org/abs/hep-ph/9910259v1

Phys.Rev. D62 (2000) 054024

Physics

High Energy Physics

High Energy Physics - Phenomenology

16 pages

Scientific paper

10.1103/PhysRevD.62.054024

In this work, we employ the effective vertices for interaction between diquarks (scalar or axial-vector) and gluon where the form factors are derived in terms of the B-S equation, to obtain the potential for baryons including a light quark and a heavy diquark. The concerned phenomenological parameters are obtained by fitting data of $B^{(*)}-$mesons instead of the heavy quarkonia. The operator ordering problem in quantum mechanics is discussed. Our numerical results indicate that the mass splitting between $B_{3/2}(V), B_{1/2}(V)$ and $B_{1/2}(S)$ is very small and it is consistent with the heavy quark effective theory (HQET).

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