Optical potential approach for positron scattering by metastable 23S state of helium
Wu Xi-Gang1, Cheng Yong-Jun2, †, Liu Fang3, Zhou Ya-Jun2
Total cross sections for positron and electron scattering from metastable helium (). Solid line: present results for positron; dashed line: previous CCO results for electron; dotted line: positron CCC; dotted line: electron CCC; diamond: Neynaber et al.[26]; blacksquare: Wilson and Williams [25]; bullet: Uhlmann et al[4].