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Excited state mass spectra of singly charmed baryons

  • Zalak Shah
  • Kaushal Thakkar
  • Ajay Kumar RaiEmail author
  • P. C. Vinodkumar
Regular Article - Theoretical Physics

Abstract.

Mass spectra of excited states of the singly charmed baryons are calculated using the hypercentral description of the three-body system. The baryons consist of a charm quark and light quarks (u, d and s) are studied in the framework of QCD motivated constituent quark model. The form of the confinement potential is hyper-Coloumb plus power potential with potential index \(\nu\), varying from 0.5 to 2.0. The first-order correction to the confinement potential is also incorporated in this approach. The radial as well as orbital excited state masses of \(\Sigma_{c}^{++}\), \(\Sigma_{c}^{+}\), \(\Sigma_{c}^{0}\), \(\Xi_{c}^{+}\), \(\Xi_{c}^{0}\), \(\Lambda_{c}^{+}\), \(\Omega_{c}^{0}\) baryons, are reported in this paper. We have incorporated spin-spin, spin-orbit and tensor interactions perturbatively in the present study. The semi-electronic decay of \(\Omega_{c}\) and \(\Xi_{c}\) are also calculated using the spectroscopic parameters of these baryons. The computed results are compared with other theoretical predictions as well as with the available experimental observations. We also construct the Regge trajectory in (\(n_{r}, M^{2}\)) and (\(J, M^{2}\)) planes for these baryons.

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Copyright information

© SIF, Springer-Verlag Berlin Heidelberg 2016

Authors and Affiliations

  • Zalak Shah
    • 1
  • Kaushal Thakkar
    • 2
  • Ajay Kumar Rai
    • 1
    Email author
  • P. C. Vinodkumar
    • 3
  1. 1.Department of Applied PhysicsSardar Vallabhbhai National Institute of TechnologySuratIndia
  2. 2.Department of Applied Sciences & HumanitiesGIDC Degree Engineering CollegeAbramaIndia
  3. 3.Department of PhysicsSardar Patel UniversityV.V. NagarIndia

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