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Electron interactions with astro chemical compounds

Thakar, Yogesh; Bhavsar, Rakesh; Swadia, Mohit; Vinodkumar, Minaxi; Mason, Nigel and Limbachiya, Chetan (2019). Electron interactions with astro chemical compounds. Planetary and Space Science, 168 pp. 95–103.

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DOI (Digital Object Identifier) Link: https://doi.org/10.1016/j.pss.2019.02.002
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Abstract

In present work electron induced processes with important astro-compounds found in the tholins of Titan are investigated. We report calculated total elastic cross sections Qel, total inelastic cross sections Qinel, total ionization cross sections Qion, total excitation cross sections ∑Qexc and total cross sections QT for hydrogen cyanide (HCN), cyanoacetylene (HCCCN), vinyl cyanide (CH2CHCN), methanimine (CH2NH) and ethanimine (CH3CHNH) on electron impact for energies from ionization threshold to 5 keV. We have employed the Spherical Complex Optical Potential (SCOP) formalism to investigate elastic as well as inelastic processes and used Complex Scattering Potential – ionization contribution (CSP-ic) method to derive ionization cross sections. In absence of any theoretical or experimental data of ionization cross sections except for HCN and HCCCN, we have computed Qion using the Binary- Encounter- Bethe (BEB) method for all these molecules and have found reasonable agreement. This is the maiden attempt to report various total cross sections for all these astro-molecules except HCN and HCCCN.

Item Type: Journal Item
ISSN: 0032-0633
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Physical Sciences
Faculty of Science, Technology, Engineering and Mathematics (STEM)
Item ID: 59149
Depositing User: ORO Import
Date Deposited: 14 Feb 2019 11:35
Last Modified: 03 May 2019 22:52
URI: http://oro.open.ac.uk/id/eprint/59149
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