RADIATIVE π-γ TRANSITIONS OF EXCITED LIGHT-QUARK MESONS IN THE COVARIANT OSCILLATOR QUARK MODEL

Author:

MAEDA TOMOHITO1,YAMADA KENJI1,ODA MASUHO2,ISHIDA SHIN3

Affiliation:

1. Department of Science and Manufacturing Technology, Junior College Funabashi Campus Nihon University, Funabashi 274-8501, Japan

2. School of Science and Engineering, Kokushikan University, Tokyo 154-8515, Japan

3. Research Institute of Science and Technology, College of Science and Technology Nihon University, Tokyo 101-8308, Japan

Abstract

A study of the light-meson couplings to the single photon in the framework of the covariant oscillator quark model (COQM) is reported. The transition rates of {ρ(770), b1(1235), a1(1260), a2(1320), π2(1670), ρ3(1690), ρ(1700)}± into π±γ, being expected to be measured by the COMPASS collaboration in their Primakoff-reaction experiments, are calculated. It could be useful not only for understanding the internal structures of observed light-quark mesons and their quark-model classification but also for the ongoing experimental studies by COMPASS.

Publisher

World Scientific Pub Co Pte Lt

Cited by 2 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Light-meson spectroscopy with COMPASS;Progress in Particle and Nuclear Physics;2020-07

2. Radiative resonance couplings in γπ→ππ;Physical Review D;2017-12-14

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