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Dissociative Excitation of Nitromethane Induced by Electron Impact in the Ultraviolet – Visible Spectrum

Name: Dissociative Excitation of Nitromethane Induced by Electron Impact in the Ultraviolet – Visible Spectrum
Keywords: Chemical Physics (physics.chem-ph), Plasma Physics (physics.plasm-ph), nitromethane, emission spectrum, Physics - Chemical Physics, FOS: Physical sciences, electron impact excitation, Physics - Plasma Physics

descriptionPublicationkeyboard_double_arrow_right Article , Preprint 06 Dec 2021Embargo end date: 01 Jan 2022Publisher:WileyJournal:ChemPhysChem, volume 23 (issn: 1439-4235, eissn: 1439-7641,

Authors: Országh, Juraj; Ribar, Anita; Danko, Marián; Bodewits, Dennis; Matejčík, Štefan; Barszczewska, Wiesława;

doi: 10.1002/cphc.202100705 , 10.48550/arxiv.2212.04449

pmid: 34797939

arXiv: http://arxiv.org/abs/2212.04449

Dissociative Excitation of Nitromethane Induced by Electron Impact in the Ultraviolet – Visible Spectrum

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Abstract

AbstractThe excitation of nitromethane (CH3NO2), which is an important propellant and prototypic molecule for large class of explosives, has been investigated by electron impact and subsequent emission of photons in the UV‐VIS spectral region between 300 nm and 670 nm. Emission spectrum of nitromethane was recorded at an electron energy of 50 eV. New dissociative excitation channels were observed through the appearance of different CH, CN, NH, OH and NO bands, and the Balmer series of atomic hydrogen. In addition, relative emission cross sections were recorded for the transitions of selected fragments. The emission spectrum was captured with significantly higher resolution in comparison to previous studies.

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Physics Department
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Siedlce University of Natural Sciences and Humanities
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Auburn University System
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Keywords

Chemical Physics (physics.chem-ph), Plasma Physics (physics.plasm-ph), nitromethane, emission spectrum, Physics - Chemical Physics, FOS: Physical sciences, electron impact excitation, Physics - Plasma Physics

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