Regular Article - Theoretical Physics
Universal behavior of mass gaps existing in the single heavy baryon family
School of Electrical and Electronic Engineering, Anhui Science and Technology University, 233000, Bengbu, China
2 School of Physical Science and Technology, Lanzhou University, 730000, Lanzhou, China
3 Lanzhou Center for Theoretical Physics, Key Laboratory of Theoretical Physics of Gansu Province, and Frontiers Science Center for Rare Isotopes, Lanzhou University, 730000, Lanzhou, China
4 Research Center for Hadron and CSR Physics, Lanzhou University and Institute of Modern Physics of CAS, 730000, Lanzhou, China
Accepted: 12 May 2021
Published online: 29 May 2021
The mass gaps existing in the discovered single heavy flavor baryons are analyzed, which show some universal behaviors. Under the framework of a constituent quark model, we quantitatively explain why such interesting phenomenon happens, when these established excited heavy baryons are regarded as the -mode excitations. Based on the universal behaviors of the discussed mass gaps, we may have three implications including the prediction of the masses of excited baryons which are still missing in the experiment. For completeness, we also discuss the mass gaps of these -mode excited single heavy flavor baryons.
© The Author(s) 2021
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