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Decay Properties of Conventional and Hybrid Charmonium Mesons

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Abstract

In this paper, decay constants, lepton and photon decay widths for radially and orbitally excited conventional, as well as hybrid, charmonium mesons are calculated. The Schrödinger equation with non-relativistic potential model is used to obtain the spectrum and the radial wave function at the origin for the S and the P states conventional, as well as hybrid, charmonium mesons. The calculated spectrum agree with experimental findings within a 0.43-GeV standard deviation. The leptonic decay widths agree with other theoretical results, but are lower than the experimental measurements. The two-photon decay widths for 1S0 and 3P2 states are in agreement with the experimental findings, but that for the 3P0 states is not.

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Acknowledgments

The author acknowledges the financial support provided by the of Higher Education Commission of Pakistan through National Research Program for Universities project 7969.

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Authors and Affiliations

  1. Department of Physics, COMSATS University Islamabad, Lahore Campus, Defence Road, Lahore, 54000, Pakistan

    Nosheen Akbar

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  1. Nosheen Akbar
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Correspondence to Nosheen Akbar.

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Akbar, N. Decay Properties of Conventional and Hybrid Charmonium Mesons. J. Korean Phys. Soc. 77, 17–24 (2020). https://doi.org/10.3938/jkps.77.17

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  • DOI: https://doi.org/10.3938/jkps.77.17

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