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Radiative and semileptonic decay widths of heavy ground state baryons in diquark model

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Abstract

Study of heavy hadrons properties is of great interest to understand the dynamics of QCD at the hadronic scale. In this regard, there are many experimental and theoretical investigations on the static properties of heavy baryons. Nevertheless, there exist wide disparities among theoretical predictions. In this work, we analytically study the mass spectra, the semileptonic and radiative decay widths of singly and doubly heavy flavored baryons in a relativistic quark-diquark model. To this aim, we first solve the Bethe–Salpeter differential equation to find the binding energy equation of a two-body system. Interaction between flavors is considered as the sum of Hellmann potential, Goldstone-Boson exchange potential and a nonperturbative contribution. Having the energy equation and the wave function of bound states we will compute the mass, the radiative and the semileptonic decay widths and the branching ratio of single and double heavy flavored baryons. Our analytical results will be compared with other theoretical results as well as available experimental data.

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Data Availability Statement

This manuscript has no associated data or the data will not be deposited. [Authors’ comment: All data could be found in the given references.]

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Authors and Affiliations

  1. Department of Physics, Payame Noor University (PNU), P.O. Box 19395-4697, Tehran, Iran

    Mansour Farhadi

  2. Faculty of Physics, Yazd University, P. O. Box 89195-741, Yazd, Iran

    S. Mohammad Moosavi Nejad & A. Armat

Authors
  1. Mansour Farhadi
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  2. S. Mohammad Moosavi Nejad
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  3. A. Armat
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Correspondence to Mansour Farhadi.

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Communicated by Heng-Tong Ding.

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Farhadi, M., Nejad, S.M.M. & Armat, A. Radiative and semileptonic decay widths of heavy ground state baryons in diquark model. Eur. Phys. J. A 59, 171 (2023). https://doi.org/10.1140/epja/s10050-023-01058-9

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