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March 7, 20260 citations

Computational Semi-Empirical Modelling of Low-Energy Positron Scattering by Zinc Atoms

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KSKapil Kumar SharmaSJSoniya JunejaDSDhirendra Kr Sharma

Key Points

  • This study aims to develop a semi-empirical model for analyzing low-energy positron scattering with zinc atoms.
  • Developed a semi-empirical relativistic model for positron scattering.
  • Refined optical potential method using Dirac–Fock atomic wave functions.
  • Incorporated an energy-dependent correlation-polarization potential for accuracy.
  • Calculated differential, integral, and momentum-transfer cross sections.
  • Demonstrated unique scattering properties of positrons in the energy range of 10 to 200 eV.
  • Showed improved accuracy in representing positron-atom interactions.
  • Calculated spin-polarization parameters for more detailed analysis.

Abstract

A new semi-empirical relativistic model has been developed to explore low- to intermediate-energy positron scattering with zinc atoms within the energy spectrum of 10 to 200 eV exhibit unique properties and behaviors. In this research, the optical potential method has been refined by incorporating Dirac–Fock atomic wave functions along with an energy-dependent correlation-polarization potential, which allows for a more accurate representation of positron-atom interactions by analyzing the Dirac equation for every partial wave, the spin-polarization parameters, as well as the differential, integral, and momentum-transfer cross sections, have all been carefully calculated.

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Cite This Study

Sharma et al. (2026) studied this question.

synapsesocial.com/papers/69abc1b45af8044f7a4eaa08https://doi.org/10.1051/epjconf/202635601032/pdf
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