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Spin Effects in Two Quark System and Mixed States

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Czechoslovak Journal of Physics Aims and scope

Abstract

Based on the numeric solution of a system of coupled channels for vector mesons (S-and D-waves mixing)and for tensor mesons (P- and F- waves mixing) mass spectrum and wave functions of a family of vector mesons q\({\bar q}\) in triplet states a e obtained. The calculations are performed using a well-known Cornell potential with a mixed Lorentz- structure of the confinement term. The spin-dependent part of the potential is taken from the Breit-Fermi approach.The effect of irregular terms of the potential is considered within the framework of the perturbation theory and/or of the configuration interaction approach, modified for a system of coupled equations. It is shown that even a small integral contribution of the D-wave to the total wave function of q\({\bar q}\) system is very impotant for the calculation of certain characteristics of the meson states.

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Authors and Affiliations

  1. Department of Theoretical Physics, Uzhgorod National University, 32 Voloshyna Str., 88000, Uzhgorod, Ukraine

    I. Haysak, Yu. Fekete & V. Morokhovych

  2. Institute of Physics, P.J. Safarik University, 16 Moyzesova 16, 041 54, Kosice, Slovak Republic

    S. Chalupka

  3. Department of Physics, Presov University, 17 Novembra 1, 080 09, Presov, Slovak Republic

    M. Salak

Authors
  1. I. Haysak
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  2. Yu. Fekete
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  3. V. Morokhovych
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  4. S. Chalupka
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  5. M. Salak
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Haysak, I., Fekete, Y., Morokhovych, V. et al. Spin Effects in Two Quark System and Mixed States. Czech J Phys 55, 541–554 (2005). https://doi.org/10.1007/s10582-005-0059-1

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  • DOI: https://doi.org/10.1007/s10582-005-0059-1

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