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http://acervodigital.unesp.br/handle/11449/22996
- Title:
- Scattering of positronium by H, He, Ne, and Ar
- Universidade Estadual Paulista (UNESP)
- 0009-2614
- The low-energy scattering of the 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 non-local 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. (C) 2000 Elsevier B.V. B.V. All rights reserved.
- 28-Jan-2000
- Chemical Physics Letters. Amsterdam: Elsevier B.V., v. 317, n. 1-2, p. 129-134, 2000.
- 129-134
- Elsevier B.V.
- http://dx.doi.org/10.1016/S0009-2614(99)01354-8
- Acesso restrito
- outro
- http://repositorio.unesp.br/handle/11449/22996
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