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《中国物理C》（英文）编辑部
2024年10月30日
Chinese Physics C> 2017, Vol. 41> Issue(7) : 073101 DOI: 10.1088/1674-1137/41/7/073101

Excited state mass spectra, decay properties and Regge trajectories of charm and charm-strange mesons

  • 1.

     Applied Physics Department, Polytechnic, The M.S. University of Baroda, Vadodara 390002, Gujarat, India

  • 2.

     Department of Applied Physics, Sardar Vallabhbhai National Institute of Technology, Surat 395007, Gujarat, India

  • 3.

      Applied Physics Department, Polytechnic, The M.S. University of Baroda, Vadodara 390002, Gujarat, India

  • 4.

      Department of Applied Physics, Sardar Vallabhbhai National Institute of Technology, Surat 395007, Gujarat, India

  • The framework of a phenomenological quark-antiquark potential (Coulomb plus linear confinement) model with a Gaussian wave function is used for detailed study of masses of the ground, orbitally and radially excited states of heavy-light Qq(Q=c,q=u/d,s) mesons. We incorporate a O(1/m) correction to the potential energy term and relativistic corrections to the kinetic energy term of the Hamiltonian. The spin-hyperfine, spin-orbit and tensor interactions incorporating the effect of mixing are employed to obtain the pseudoscalar, vector, radially and orbitally excited state meson masses. The Regge trajectories in the (J,M2) and (nr,M2.) planes for heavy-light mesons are investigated with their corresponding parameters. Leptonic and radiative leptonic decay widths and corresponding branching ratios are computed. The mixing parameters are also estimated. Our predictions are in good agreement with experimental results as well as lattice and other theoretical models.
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  • References

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Virendrasinh Kher, Nayneshkumar Devlani and Ajay Kumar Rai. Excited state mass spectra, decay properties and Regge trajectories of charm and charm-strange mesons[J]. Chinese Physics C, 2017, 41(7): 073101. doi: 10.1088/1674-1137/41/7/073101
Virendrasinh Kher, Nayneshkumar Devlani and Ajay Kumar Rai. Excited state mass spectra, decay properties and Regge trajectories of charm and charm-strange mesons[J]. Chinese Physics C, 2017, 41(7): 073101.  doi: 10.1088/1674-1137/41/7/073101 shu
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Received: 2016-12-13
Revised: 2017-03-31
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    Supported by Department of Science of Technology, India under SERB fast track scheme SR/FTP/PS-152/2012 and also to SVNIT (Institute Research Grant (Dean (RC)/1488/2013-14))

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Excited state mass spectra, decay properties and Regge trajectories of charm and charm-strange mesons

    Corresponding author: Virendrasinh Kher, vhkher@gmail.com
    Corresponding author: Nayneshkumar Devlani, vhkher@gmail.com
    Corresponding author: Ajay Kumar Rai, vhkher@gmail.com
  • 1. Applied Physics Department, Polytechnic, The M.S. University of Baroda, Vadodara 390002, Gujarat, India
  • 2. Department of Applied Physics, Sardar Vallabhbhai National Institute of Technology, Surat 395007, Gujarat, India
  • 3.  Applied Physics Department, Polytechnic, The M.S. University of Baroda, Vadodara 390002, Gujarat, India
  • 4.  Department of Applied Physics, Sardar Vallabhbhai National Institute of Technology, Surat 395007, Gujarat, India
  • Received Date: 2016-12-13
  • Accepted Date: 2017-03-31
  • Available Online: 2017-07-05
Fund Project:  Supported by Department of Science of Technology, India under SERB fast track scheme SR/FTP/PS-152/2012 and also to SVNIT (Institute Research Grant (Dean (RC)/1488/2013-14))

Abstract: The framework of a phenomenological quark-antiquark potential (Coulomb plus linear confinement) model with a Gaussian wave function is used for detailed study of masses of the ground, orbitally and radially excited states of heavy-light Qq(Q=c,q=u/d,s) mesons. We incorporate a O(1/m) correction to the potential energy term and relativistic corrections to the kinetic energy term of the Hamiltonian. The spin-hyperfine, spin-orbit and tensor interactions incorporating the effect of mixing are employed to obtain the pseudoscalar, vector, radially and orbitally excited state meson masses. The Regge trajectories in the (J,M2) and (nr,M2.) planes for heavy-light mesons are investigated with their corresponding parameters. Leptonic and radiative leptonic decay widths and corresponding branching ratios are computed. The mixing parameters are also estimated. Our predictions are in good agreement with experimental results as well as lattice and other theoretical models.

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