Abstract
The elastic scattering of a positron by a hydrogen atom is studied by using the variable-phase approach to potential scattering. Values of the scattering length and the elastic scattering phase shifts obtained in the (i) static, (ii) polarization and (iii) extended polarization approximations for the e+−H interaction are found to be in close agreement with the results of earlier workers.
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The authors are thankful to Professor Larry Spruch for his valuable comments.
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Sarkar, K., Basu, D. & Talukdar, B. Variable-phase method in positron-hydrogen elastic scattering. Z Physik A 289, 235–237 (1979). https://doi.org/10.1007/BF01415782
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DOI: https://doi.org/10.1007/BF01415782