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Physics of Atomic Nuclei

, Volume 81, Issue 1, pp 51–61 | Cite as

Mass Spectrum of Mesons and Their Leptonic Decay Widths within the Relativistic Quasipotential Approach

  • V. V. Kondratjuk
  • Yu. D. Chernichenko
Elementary Particles and Fields Theory
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Abstract

New relativistic semiclassical conditions and leptonic decay widths are obtained within quantum chromodynamics for nonsingular confining quasipotentials and funnel-type potentials (instantoninteraction approximation). The respective analysis is performed within a fully covariant quasipotential approach in quantum field theory. This approach is formulated in the relativistic configuration representation for the case of interaction between two relativistic spinless particles of arbitrary mass.

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© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  1. 1.International Center for Advanced StudiesSukhoi State Technical University of GomelGomelRepublic of Belarus

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