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Interactions of protons with furan molecules studied by collision-induced emission spectroscopy at the incident energy range of 50–1000 eV
Abstract
Investigations of the ion-molecule reactions provide insight into many fields ranging from the stellar wind interaction with interstellar media, up to medicine and industrial applications. Besides the applications, the understanding of these processes is itself a problem of fundamental importance. Thus, interactions of protons with the gas-phase furan molecules have been investigated for the first time in the energy range of 50–1000 eV exploiting collision-induced emission spectroscopy. Recorded spectra reveal emission of the atomic Hβ to Hθ lines of the hydrogen Balmer series and the molecular bands of vibrationally and rotationally excited diatomic CH fragments created in the A2Δ and B2Σ- electronic states. The measurements of the emission yields of the excited fragments by recording their intensities at different projectile energies have been performed. The highest yields have been observed for production of hydrogen atoms which intensities rapidly decreased with increasing principal quantum number n. From the H (n = 4–7) intensity ratios depopulation factors of hydrogen excited states have been determined at each impact energy and possible collisional mechanisms leading to enhanced production of the hydrogen atoms have been suggested. We compare and discuss our results with improved data set of proton collisions with tetrahydrofuran (THF) molecules, the hydrogenated derivatives of furan.
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Authors (2)
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Boguslaw Pranszke
- Institute of Experimental Physics, University of Gdansk .
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- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.1140/epjd/e2016-70308-1
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- Category:
- Articles
- Type:
- artykuł w czasopiśmie wyróżnionym w JCR
- Published in:
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EUROPEAN PHYSICAL JOURNAL D
no. 70,
edition 8,
pages 1 - 9,
ISSN: 1434-6060 - Language:
- English
- Publication year:
- 2016
- Bibliographic description:
- Wąsowicz T., Pranszke B.: Interactions of protons with furan molecules studied by collision-induced emission spectroscopy at the incident energy range of 50–1000 eV// EUROPEAN PHYSICAL JOURNAL D. -Vol. 70, iss. 8 (2016), s.1-9
- DOI:
- Digital Object Identifier (open in new tab) 10.1140/epjd/e2016-70308-1
- Verified by:
- Gdańsk University of Technology
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