Multichannel $e^{\pm }$ scattering on excited Ps states

Z. Papp, D. Caballero, C-. Y. Hu

Scattering and reaction cross sections of $e^{\pm }-Ps$ system are calculated for total angular momentum L=0, 1 and 2 and energies between the Ps(n=2)-Ps(n=3) threshold. We solved a…