Optical potential approach for positron scattering by metastable 2<sup>3</sup> <i>S</i> state of helium

Optical potential approach for positron scattering by metastable 2³ S state of helium

Wu Xi-Gang¹, Cheng Yong-Jun^{2, †}, Liu Fang³, Zhou Ya-Jun²

The present and CCC ^[2] elastic scattering and excitation cross sections. Solid line: present elastic scattering; dashed line: present excitation; dotted line: elastic scattering (CCC); dashed–dotted line: excitation (CCC).