• R K Chauhan

      Articles written in Pramana – Journal of Physics

    • Triple differential cross-sections for near threshold (e, 2e) process for hydrogen

      M K Srivastava R K Chauhan

      More Details Abstract Fulltext PDF

      The triple differential cross-sections for ionization of hydrogen at incident energies in the range 17.6 eV to 13.7 eV are calculated in the distorted-wave Born approximation in the equal energy sharing andϑab = 180° kinematics. It is found that a maximum in the cross-section, as was observed in the case of helium under similar conditions is also found here at excess energyEex ≤ 1.0 eV. This ‘maximum’ becomes more pronounced asEex decreases indicating dominance of short rangee-e correlations at these low energies. The angular distribution of the singlet and triplet partial waves and the asymmetry parameter have been analysed.

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