Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/319563
Type: Artigo de periódico
Title: Integral Elastic, Electronic-state, Ionization, And Total Cross Sections For Electron Scattering With Furfural
Abstract: We report absolute experimental integral cross sections (ICSs) for electron impact excitation of bands of electronic-states in furfural, for incident electron energies in the range 20-250 eV. Wherever possible, those results are compared to corresponding excitation cross sections in the structurally similar species furan, as previously reported by da Costa et al. [Phys. Rev. A 85, 062706 (2012)] and Regeta and Allan [Phys. Rev. A 91, 012707 (2015)]. Generally, very good agreement is found. In addition, ICSs calculated with our independent atom model (IAM) with screening corrected additivity rule (SCAR) formalism, extended to account for interference (I) terms that arise due to the multi-centre nature of the scattering problem, are also reported. The sum of those ICSs gives the IAM-SCAR+I total cross section for electron-furfural scattering. Where possible, those calculated IAM-SCAR+I ICS results are compared against corresponding results from the present measurements with an acceptable level of accord being obtained. Similarly, but only for the band I and band II excited electronic states, we also present results from our Schwinger multichannel method with pseudopotentials calculations. Those results are found to be in good qualitative accord with the present experimental ICSs. Finally, with a view to assembling a complete cross section data base for furfural, some binary-encounter-Bethe-level total ionization cross sections for this collision system are presented. © 2016 AIP Publishing LLC.
Editor: American Institute of Physics Inc.
Citation: Journal Of Chemical Physics. American Institute Of Physics Inc., v. 144, p. , 2016.
Rights: fechado
Identifier DOI: 10.1063/1.4945562
Address: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84964474567&partnerID=40&md5=2180ff9d15556fc3ee38916f370ec69c
Date Issue: 2016
Appears in Collections:Unicamp - Artigos e Outros Documentos

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