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Dissociative recombination of C3H4+: preferential formation of the C3H3 radical
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2004 (English)In: International Journal of Mass Spectrometry, ISSN 1387-3806, Vol. 237, no 1, 25-32 p.Article in journal (Refereed) Published
Abstract [en]

Branching ratios and absolute cross sections have been measured for the dissociative recombination of C3H4+ using the CRYRING ion storage ring. The pre-eminent channel involves the production of C3H3 and H, whereas processes involving rupture of carbon-carbon bonds are clearly disfavoured. The cross section of the reaction could be fitted to the expression sigma = 5.5 +/- 0.2 x 10(-15) E-1.01+/-0.02, which leads to a thermal reaction rate of k(T) = 2.95 +/- 0.1 x 10(-6) (T/300)(-0.67+/-0.02) cm(3) s(-1).

Place, publisher, year, edition, pages
2004. Vol. 237, no 1, 25-32 p.
Keyword [en]
dissociative recombination, ion chemistry, molecular astrophysics
National Category
Physical Sciences
URN: urn:nbn:se:kth:diva-40961DOI: 10.1016/j.ijms.2004.06.002ISI: 000223612000004ScopusID: 2-s2.0-4344565093OAI: diva2:443082
QC 20110923Available from: 2011-09-23 Created: 2011-09-23 Last updated: 2011-09-23Bibliographically approved

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