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Scattering of positronium by H, He, Ne, and Ar | P. K. Biswas
; Sadhan K. Adhikari
; | Date: |
11 Dec 1999 | Journal: | Chem.Phys.Lett. 317 (2000) 129-134 | Subject: | Atomic Physics; Atomic and Molecular Clusters; Chemical Physics | physics.atom-ph cond-mat nucl-th physics.atm-clus physics.chem-ph quant-ph | Abstract: | The low-energy scattering of ortho positronium (Ps) by H, He, Ne, and Ar atoms has been investigated in the coupled-channel framework by using a recently proposed time-reversal-symmetric nonlocal electron-exchange model potential with a single parameter $C$. For H and He we use a three-Ps-state coupled-channel model and for Ar and Ne we use a static-exchange model. The sensitivity of the results is studied with respect to the parameter $C$. Present low-energy cross sections for He, Ne and Ar are in good agreement with experiment. | Source: | arXiv, physics/0001024 | Services: | Forum | Review | PDF | Favorites |
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