Differential and partial cross sections of elastic and inelastic positronium-helium-atom scattering

Abstract

Scattering of positronium (Ps) by helium atom has been investigated in a three-Ps-state coupled-channel model including Ps(1s,2s,2p) states using a recently proposed time-reversal-symmetric regularized electron-exchange model potential. Specifically, we report results of differential cross sections for elastic scattering and target-elastic Ps excitations. We also present results for total and different partial cross sections and compare them with experiment and other calculations.

8 pages, 4 ps figures

References in corpus (1)

• Positronium atom scattering by H_2 in a coupled-channel framework

Cited by in corpus (5)

• Positronium-positronium interaction: Resonance, scattering length, and Bose-Einstein condensation
• Differential cross sections for elastic and inelastic positronium-hydrogen-atom scattering
• Calculations of positronium-atom scattering using a spherical cavity
• Positronium scattering by atoms and molecules at low energies
• Resonances in positronium-rubidium and positronium-cesium scattering