Construction of tensor amplitudes for radiative J/psi decays
Helmut Koch
AN-QCD-2015-002.pdf
(153.52 KB)
The treatment of radiative decays in the tensor formalism is subtle.On the example of radiative J/psi decays the procedure is developed,discussing several methods to construct the amplitudes.In the appendices,spin wave functions,different gauges and form factors for radiative dcays are adressed.