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On equal constituent quark masses in different heavy quarkonia potential models

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Zeitschrift für Physik C Particles and Fields

Abstract

In a representative number of more or less QCD-motivated\(Q\bar Q\) potentials the simultaneousV' i (r)=V i (r)−V i (r 0 ),m' Qi =m Qi +1/2V i (r 0) (i-model index) introduce approximately equal constituent quark massesm' Qi ≅m Q (Q=b, c) for all considered models. Arguments are given forr 0=0.5±0.05 fm which yieldsm c =1.50±0.07 GeV andm b =4.90±0.05 GeV. The known model independence ofm bi -m ci is explained and the influence of the transformation on data reproduction is studied.

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Authors and Affiliations

  1. Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, SU-141980, Dubna, USSR

    K. Lewin

  2. Humboldt-Universität Berlin, Sektion Physik, Bereich 01, Invalidenstrasse 110, DDR-1040, Berlin, German Democratic Republic

    G. Motz

Authors
  1. K. Lewin
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  2. G. Motz
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Lewin, K., Motz, G. On equal constituent quark masses in different heavy quarkonia potential models. Z. Phys. C - Particles and Fields 43, 313–318 (1989). https://doi.org/10.1007/BF01588220

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  • DOI: https://doi.org/10.1007/BF01588220

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