Issue |
A&A
Volume 391, Number 3, September I 2002
|
|
---|---|---|
Page(s) | 1159 - 1165 | |
Section | Astronomical instrumentation | |
DOI | https://doi.org/10.1051/0004-6361:20020882 | |
Published online | 09 August 2002 |
Dissociative recombination of C
1
Department of Physics, Stockholm University, SCFAB, 106 91 Stockholm, Sweden
2
Air Force Research Laboratory, Space Vehicles Directorate, 29 Randolph Rd, Hanscom AFB, MA 01731, USA e-mail: Albert.Viggiano@hanscom.af.mil
3
Institute of Physics, Świętokrzyska Academy, 25-406 Kielce, Poland e-mail: jacek@pu.kielce.pl
4
Manne Siegbahn Laboratory, Stockholm University, 104 05 Stockholm, Sweden e-mail: ugglas@msi.se
Corresponding author: S. Kalhori, shiri@physto.se
Received:
23
April
2002
Accepted:
10
June
2002
We have studied the vibrationally relaxed C2H ion in the
heavy – ion storage ring CRYRING in Stockholm. We measured the
dissociative recombination absolute cross section over
center-of-mass energies in the range between 0 and 0.1 eV by
scanning the electron energy.
The rate of different neutral product channels of dissociative
recombination was measured. We found the three-body channel C2H
+ H + H, with a branching ratio of 59%, to be the dominant one.
Finally, we compare C2H
and C2H
([CITE]) results.
Key words: molecular processes / ISM: molecules / ISM: clouds
© ESO, 2002
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