Observation of exclusive η production in two photon interactions at TRISTAN
0
Authors
M. Shirai
M. Shirai•Hiroaki Miyata•P. Behera
Published
April 1, 1998
Abstract
We observe ηc production in the two photon process e+e−→e+e−ηc at an e+e− center-of-mass energy of 58 GeV. We determine the radiative decay width Γγγ(ηc) to be 27±16(sta)±10(sys) keV.
