Ps-He scattering below the first target excitation threshold (original) (raw)

Physical Review A, 2001

Abstract

Scattering of a Ps atom off a He target has been investigated in the framework of the close-coupling approximation using two basis sets: (a) Ps(1s)+He(1s 2 ,1s2 1 s,1s2 1 p) and (b) Ps(1s,2p)+He (1s 2 ,1s2 1 s,1s2 1 p). Target inelastic channels reduce the elastic cross sections ...

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