Precise determination of the eta_c mass and width in the radiative J/Psi -> eta_c gamma decay
Brambilla, N. and Roig, P. and Vairo, A.
Keywords
radiative decays of charmonia_s19 quarkonia_s19 non-relativistic effective-field theories_s19 QCD
Abstract
We present an effective field theory based extraction of the eta_c mass and width from a recent measurement by CLEO of the photon line shape in J/Psi -> eta_c gamma decay.
