Strong decays of vector mesons to pseudoscalar mesons in the relativistic quark model

DOI10.1016/J.PHYSLETB.2015.03.019zbMATH Open1330.81195arXiv1412.4534OpenAlexW2161031195MaRDI QIDQ2635093

Yanyan Li

Publication date: 11 February 2016

Published in: Physics Letters B (Search for Journal in Brave)

Abstract: Strong decays of vector ($3^{}{S}_1$) mesons to the pair of pseudoscalar ($1^{}{S}_0$) mesons are considered in the framework of the microscopic decay mechanism and the relativistic quark model based on the quasipotential approach. The quark-antiquark potential, which was previously used for the successful description of meson spectroscopy and electroweak decays, is employed as the source of the $$ pair creation. The relativistic structure of the decay matrix element, relativistic contributions and boosts of the meson wave functions are comprehensively taken into account. The calculated rates of strong decays of light, heavy-light mesons and heavy quarkonia agree well with available experimental data.

Full work available at URL: https://arxiv.org/abs/1412.4534

Mathematics Subject Classification ID

Model quantum field theories (81T10) Strong interaction, including quantum chromodynamics (81V05)

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