Absolute differential, elastic integrated and moment transfer cross sections for electron--OCS collisions at intermediate and high energies |
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Authors: | Shi De-Heng Sun Jin-Feng Zhu Zun-Lue Ma Heng Liu Yu-Fang and Yang Xiang-Dong |
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Institution: | College of Physics & Electronic Engineering, Xinyang Normal University, Xinyang 464000, China; College of Physics & Information Engineering, Henan Normal University, Xinxiang 453007, China; Institute of Atomic & Molecular Physics, Sichuan University, Chengdu 610065, China |
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Abstract: | A complex optical model potential modified by incorporating the
concept of bonded atom, which takes into consideration the
overlapping effect of electron clouds between atoms in a molecule, is
firstly employed to calculate the absolute differential, elastic
integrated and moment transfer cross sections for electron scattering
by OCS over the incident energy range from 200 to 1000\,eV using the
additivity rule model at Hartree--Fock level. The calculated results
are compared with those obtained by experiment and other theories
wherever available, and good agreement is obtained over a wide energy
range. It is shown that the additivity rule model together with the
modified potential is completely suitable for calculating the
absolute differential, elastic integrated and moment transfer cross
sections of electron scattering by molecules such as OCS. |
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Keywords: | electron scattering additivity
rule differential cross section elastic integrated cross
section |
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