# 19th International Conference on Hadron Spectroscopy and Structure in memoriam Simon Eidelman

26-31 July 2021
Mexico City
Mexico/General timezone
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# Contribution Parallel

Mexico City -
Meson Spectroscopy

# Radiative transitions of charmonium states in the Covariant Quark Confinement Model

## Speakers

• Dr. Gurjav GANBOLD

## Abstract

We have studied one-photon radiative transitions of the charmonium $S$- and $P$-wave states within an analytic confinement model. Along two fixed basic model parameters (the c-quark mass and the global cutoff $\lambda$) we introduced only one adjustable parameter common for charmonium states $\eta_c$, $J/\psi$, $\chi_{c0}$, $\chi_{c1}$, $h_c$ and $\chi_{c2}$ to describe the quark distribution inside the hadron. Our estimates are in good agreement with the latest data.