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Chinese Physics C> 2013, Vol. 37> Issue(2) : 023103 DOI: 10.1088/1674-1137/37/2/023103

Properties of bottomonium in a semi-relativistic model

  • Using a semi-relativistic potential model we investigate the spectra and decays of the bottomonium (bb) system. The Hamiltonian of our model consists of a relativistic kinetic energy term, a vector Coulomb-like potential and a scalar confining potential. Using this Hamiltonian, we obtain a spinless wave equation, which is then reduced to the form of a single particle Schrodinger equation. The spin dependent potentials are introduced as a perturbation. The three-dimensional harmonic oscillator wave function is employed as a trial wave function and the bbmass spectrum is obtained by the variational method. The model parameters and the wave function that reproduce the the bbspectrum are then used to investigate some of their decay properties. The results obtained are then compared with the experimental data and with the predictions of other theoretical models.
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Bhaghyesh and K. B. Vijaya Kumar. Properties of bottomonium in a semi-relativistic model[J]. Chinese Physics C, 2013, 37(2): 023103. doi: 10.1088/1674-1137/37/2/023103
Bhaghyesh and K. B. Vijaya Kumar. Properties of bottomonium in a semi-relativistic model[J]. Chinese Physics C, 2013, 37(2): 023103.  doi: 10.1088/1674-1137/37/2/023103 shu
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Received: 2012-04-25
Revised: 2012-05-31
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Properties of bottomonium in a semi-relativistic model

    Corresponding author: K. B. Vijaya Kumar,
  • Received Date: 2012-04-25
  • Accepted Date: 2012-05-31
  • Available Online: 2013-02-05

Abstract: Using a semi-relativistic potential model we investigate the spectra and decays of the bottomonium (bb) system. The Hamiltonian of our model consists of a relativistic kinetic energy term, a vector Coulomb-like potential and a scalar confining potential. Using this Hamiltonian, we obtain a spinless wave equation, which is then reduced to the form of a single particle Schrodinger equation. The spin dependent potentials are introduced as a perturbation. The three-dimensional harmonic oscillator wave function is employed as a trial wave function and the bbmass spectrum is obtained by the variational method. The model parameters and the wave function that reproduce the the bbspectrum are then used to investigate some of their decay properties. The results obtained are then compared with the experimental data and with the predictions of other theoretical models.

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