Self-consistency of electron-THF cross sections using electron swarm techniques

Casey, M.J.E., De Urquijo, J., Serkovic Loli, L.N., Cocks, D.G., Boyle, G.J., Jones, D.B., Brunger, M.J., and White, R.D. (2017) Self-consistency of electron-THF cross sections using electron swarm techniques. Journal of Chemical Physics, 147 (19). 195103.

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The drift velocity and first Townsend ionization coefficient of electrons in gaseous tetrahydrofuran are measured over the range of reduced electric fields 4-1000 Td using a pulsed-Townsend technique. The measured drift velocities and Townsend ionization coefficients are subsequently used, in conjunction with a multi-term Boltzmann equation analysis, as a further discriminative assessment on the accuracy and completeness of a recently proposed set of electron-THF vapor cross sections. In addition, the sensitivity of the transport coefficients to uncertainties in the existing cross sections is presented. As a result of that analysis, a refinement of the momentum transfer cross section for electron-THF scattering is presented, along with modifications to the neutral dissociation and dissociative electron attachment cross sections. With these changes to the cross section database, we find relatively good self-consistency between the measured and simulated drift velocities and Townsend coefficients.

Item ID: 51713
Item Type: Article (Research - C1)
ISSN: 1089-7690
Funders: Australian Research Council (ARC), UNAM-PAPIIT IN, CONACYT
Projects and Grants: ARC Discovery program no. DP140102854, UNAM-PAPIIT IN no. 108417, CONACYT project no. 240073
Date Deposited: 06 Dec 2017 07:32
FoR Codes: 51 PHYSICAL SCIENCES > 5102 Atomic, molecular and optical physics > 510201 Atomic and molecular physics @ 60%
51 PHYSICAL SCIENCES > 5106 Nuclear and plasma physics > 510602 Plasma physics; fusion plasmas; electrical discharges @ 40%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970102 Expanding Knowledge in the Physical Sciences @ 100%
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