Description
Title: Analysis of the Static Potential Obtained from the Hydrogen Sulfide for the Study of Electron and Positron Elastic Scattering
Abstract: Using the method of partial wave phase shift analysis and appropriately selected complex optical potentials, a thorough investigation of the elastic scattering of electrons and positrons from a hydrogen sulfide (H2S) molecule is presented. Our current work is significant because it is the first to obtain static potential analytically and uses it to define the complex optical potential along with exchange (only for electron), polarization, and purely fictitious absorption potentials. The charge density of the H2S molecule is used to calculate the static potential, and the molecular wavefunction is represented by an accurate analytical form of the Gaussian orbitals. Our study’s main goal is to evaluate our current methodology using electron and positron scattering from H2S as a test case. As a result, for incident energies between 10 and 500 eV, results for the dierential, integral, momentum-transfer, absorption, and total cross sections of electron and positron impact are obtained. There is good agreement between these different types of cross section results and the measurements and other calculations that are available, suggesting the applicability of our current methodology.
Keywords: electron–positron scattering; static potential; Gaussian wavefunction; complex optical potential; cross sections
Paper Quality: SCOPUS / Web of Science Level Research Paper
Subject: Physics
Subject Category: Atomic and Molecular Physics, and Optics
Writer Experience: 20+ Years
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