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Dissociative recombination of H+3. Experiment and theory reconciled

✍ Scribed by David Smith; Patrik Španel

Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
683 KB
Volume
211
Category
Article
ISSN
0009-2614

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✦ Synopsis

We have determined the dissociative recombination coeffkients for vibrationally excited H:, o(H:( I@ 3)), and for vibrational ground-state H:, a(Hc(u=O)). Thus, cu(H:(v> 3)) is ~1.3~10-~cm~s-'andcu(H~(u=0))is(1-2)~10-*cm~s-~ at 300 K. These findings are in general accordance with theoretical expectations and, as such, resolve a serious controversy. Both these LY increase only slowly with decreasing temperature. The relevance of these new data to interstellar chemistry is alluded to.

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