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Meson spectrum in a relativistic harmonic model with instanton-induced interaction

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Abstract.

On the basis of the phenomenological relativistic harmonic model for quarks, we have obtained the ground-state masses of the light pseudo-scalar and vector mesons. The full Hamiltonian used in the investigation has Lorentz scalar + vector confinement potential, along with one-gluon-exchange potential (OGEP) and the instanton-induced quark-antiquark interaction. A good agreement is obtained with the experimental masses. The respective role of instanton-induced interaction and OGEP for the determination of the meson masses is discussed.

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Authors and Affiliations

  1. Department of Physics, Mangalore University, Mangalagangotri, 574 199, Mangalore, India

    K. B. Vijaya Kumar & B. Hanumaiah

  2. Max-Planck-Institut für Kernphysik, Postfach 103980, D-69029, Heidelberg, Germany

    S. Pepin

Authors
  1. K. B. Vijaya Kumar
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  2. B. Hanumaiah
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  3. S. Pepin
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Corresponding author

Correspondence to S. Pepin.

Additional information

Communicated by V. Vento

Received: 18 October 2002, Revised: 13 January 2003, Published online: 23 December 2003

PACS:

12.39.Ki Relativistic quark model - 12.39.Pn Potential models - 14.40.Aq \(\pi\), K, and \(\eta\) mesons

S. Pepin: Present address: rue de Sluse 13, B-4000 Liége, Belgium

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Vijaya Kumar, K.B., Hanumaiah, B. & Pepin, S. Meson spectrum in a relativistic harmonic model with instanton-induced interaction. Eur. Phys. J. A 19, 247–250 (2004). https://doi.org/10.1140/epja/i2002-10287-1

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  • DOI: https://doi.org/10.1140/epja/i2002-10287-1

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