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

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 appro...

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Bibliographic Details
Published in:Physics of atomic nuclei 2018-01, Vol.81 (1), p.51-61
Main Authors: Kondratjuk, V. V., Chernichenko, Yu. D.
Format: Article
Language:English
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Summary: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.
ISSN:1063-7788
1562-692X
DOI:10.1134/S1063778818010143