Thermodynamic properties and mass spectra of a quarkonium system with Ultra Generalized Exponential–Hyperbolic Potential

Authors

  • Etido P. Inyang

    National Open University of Nigeria
    Author
  • Joseph E. Ntibi

    University of Calabar,P.M.B 1115 Calabar Nigeria
    Author
  • Efiong A. Ibanga

    National Open University of Nigeria, Abuja
    Author
  • Funmilayo Ayedun

    National Open University of Nigeria, Abuja
    Author
  • Ephraim P. Inyang

    University of Calabar, P. M. B 1115 Calabar, Cross River State, Nigeria
    Author
  • Etebong E. Ibekwe

    Akwa Ibom State University, Ikot Akpaden, P.M. B 1167, Uyo, Akwa Ibom State, Nigeria
    Author
  • Eddy S. William

    University of Calabar,P.M.B 1115 Calabar, Cross River State, Nigeria
    Author
  • Ita O. Akpan

    University of Calabar,P.M.B 1115 Calabar, Cross River State, Nigeria
    Author

Keywords:

Ultra generalized exponential–hyperbolic potential, Thermodynamic properties, Klein-Gordon equation, Heavy mesons, Nikiforov-Uvarov method

Abstract

Etido. P. Inyang, J. E. Ntibi, E. A. Ibanga, F. Ayedun, E. E. Ibekwe, E. S. William and I.O. Akpan

We solved the N-dimensional Klein-Gordon equation analytically using the Nikiforov-Uvarov method to obtain the energy eigenvalues and corresponding wave function in terms of Laguerre polynomials with the ultra-generalized exponential –hyperbolic potential. The results were applied for calculating the mass spectra of heavy mesons including charmonium () and bottomonium () for different quantum states. Also, thermodynamic properties such as free energy, mean energy, entropy, and specific heat were obtained. The data obtained in the study was in excellent agreement with experimental results and with results obtained from others with a maximum error of  0.0059 GeV.

Author Biographies

  • Etido P. Inyang, National Open University of Nigeria

    Department of Pure and Applied Sciences

  • Joseph E. Ntibi, University of Calabar,P.M.B 1115 Calabar Nigeria

    Theoretical Physics Group, Department of Physics

  • Efiong A. Ibanga, National Open University of Nigeria, Abuja

    Department of Pure and Applied Sciences

  • Funmilayo Ayedun, National Open University of Nigeria, Abuja

    Department of Pure and Applied Sciences

  • Ephraim P. Inyang, University of Calabar, P. M. B 1115 Calabar, Cross River State, Nigeria

    Theoretical Physics Group, Department of Physics

  • Etebong E. Ibekwe, Akwa Ibom State University, Ikot Akpaden, P.M. B 1167, Uyo, Akwa Ibom State, Nigeria

    Department of Physics

  • Eddy S. William, University of Calabar,P.M.B 1115 Calabar, Cross River State, Nigeria

    Theoretical Physics Group, Department of Physics

  • Ita O. Akpan, University of Calabar,P.M.B 1115 Calabar, Cross River State, Nigeria

    Theoretical Physics Group, Department of Physics

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Published

2021-05-13

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