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Total cross-sections for positron scattering by a series of molecules

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Abstract:

The additivity rule is employed to obtain the total (elastic+inelastic) cross-sections for positron scattering from molecules including a number of diatomic, polyatomic molecules (H2, N2, HCl, CO2, NH3, SF6, CH4, C2H4 and C3H8) over an incident energy range of 10-1000 eV. The total cross-sections (TCS) of the constituent atoms of molecules are obtained by employing a complex optical model potential (composed of static, polarization and absorption potential). The present results are compared with experimental data and other theoretical calculations, good agreement is obtained in intermediate- and high-energy region.

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Authors and Affiliations

  1. CCAST (World Laboratory), P.O. Box 8730, Beijing 100080, P.R. China, , , , , , CN

    J. Sun & Y. Jiang

  2. Department of Physics, Henan Normal University, Xinxiang 453002, Henan, P.R. China, , , , , , CN

    S. Zhang

  3. Department of Fundamental Science, the Second Artillery Command Institute, Wuhan 430012, Hubei, P.R. China, , , , , , CN

    G. Yu

Authors
  1. J. Sun
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  2. G. Yu
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  3. Y. Jiang
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  4. S. Zhang
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Received: 11 November 1997 / Revised: 23 March 1998 / Accepted: 16 June 1998

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Sun, J., Yu, G., Jiang, Y. et al. Total cross-sections for positron scattering by a series of molecules. Eur. Phys. J. D 4, 83–88 (1998). https://doi.org/10.1007/s100530050187

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  • DOI: https://doi.org/10.1007/s100530050187

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