Journal
PHYSICS-USPEKHI
Volume 60, Issue 7, Pages 643-666Publisher
TURPION LTD
DOI: 10.3367/UFNe.2016.11.037964
Keywords
meson physics; chiral symmetry; electron-positron annihilation; tau lepton decays
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The extended Nambu-Jona-Lasinio model is briefly described and various ways to apply it are demonstrated. Theoretical approaches to the low-energy meson production processes in colliding electron-positron beams and tau-lepton decays are reviewed. The processes considered occur via intermediate scalar, vector, and axial-vector mesons in the ground state and in the first radially excited state. The model uses the concept of spontaneous chiral symmetry breaking to describe such states. Experimental and theoretical comparisons with other phenomenological strong interaction models are presented.
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