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Spectrum and decay properties of bottomonium mesons

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Abstract

We calculate the spectrum and wave functions (WFs) of various states of bottomonium(\(b\overline{b}\)) mesons using a non-relativistic quark potential model (NRQPM). The calculated WFs are used to compute the radiative widths of various states of \(b\overline{b}\). The strong decays widths of bottomonium states are also calculated using \(^3P_0\) model by choosing simple harmonic oscillator wave functions (SHOWFs). The \(\beta \) of SHOWFs for various states of the mesons are measured by fitting the numerical wave functions. The radiative and strong decay widths are used to calculate the branching ratios of \(b\overline{b}\) mesons. We also compare our calculated masses and widths with available experimental data. On basis of this comparison, it is suggested that \(\Upsilon (10860)\) is the 5S state of \(b\overline{b}\) mesons.

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Data Availability Statement

This manuscript has no associated data or the data will not be deposited. [Authors’ comment: This work is theoretical and have no experimental data.]

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Authors and Affiliations

  1. Department of Physics, University of Education Lahore, Faisalabad Campus, Faisalabad, Pakistan

    Ishrat Asghar

  2. Department of Physics, COMSATS University Islamabad, Lahore Campus, Lahore, 54000, Pakistan

    Nosheen Akbar

Authors
  1. Ishrat Asghar
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  2. Nosheen Akbar
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Correspondence to Nosheen Akbar.

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Communicated by Heng-Tong Ding.

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Asghar, I., Akbar, N. Spectrum and decay properties of bottomonium mesons. Eur. Phys. J. A 60, 58 (2024). https://doi.org/10.1140/epja/s10050-024-01279-6

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