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Sundström G, Mowat JR, Danared H, et al. Destruction rate of h3+ by low-energy electrons measured in a storage-ring experiment. Science. 1994;263(5148):785-7doi: 10.1126/science.263.5148.785.
Sundström, G., Mowat, J. R., Danared, H., Datz, S., Broström, L., Filevich, A., Källberg, A., Mannervik, S., Rensfelt, K. G., Sigray, P., Ugglas, M. A., & Larsson, M. (1994). Destruction rate of h3+ by low-energy electrons measured in a storage-ring experiment. Science (New York, N.Y.), 263(5148), 785-7. https://doi.org/10.1126/science.263.5148.785
Sundström, G, et al. "Destruction rate of h3+ by low-energy electrons measured in a storage-ring experiment." Science (New York, N.Y.) vol. 263,5148 (1994): 785-7. doi: https://doi.org/10.1126/science.263.5148.785
Sundström G, Mowat JR, Danared H, Datz S, Broström L, Filevich A, Källberg A, Mannervik S, Rensfelt KG, Sigray P, Ugglas MA, Larsson M. Destruction rate of h3+ by low-energy electrons measured in a storage-ring experiment. Science. 1994 Feb 11;263(5148):785-7. doi: 10.1126/science.263.5148.785. PMID: 17770831.
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Science. 1994 Feb 11;263(5148):785-7. doi: 10.1126/science.263.5148.785.

Destruction rate of h3+ by low-energy electrons measured in a storage-ring experiment.

Science (New York, N.Y.)

G Sundström, J R Mowat, H Danared, S Datz, L Broström, A Filevich, A Källberg, S Mannervik, K G Rensfelt, P Sigray, M A Ugglas, M Larsson

PMID: 17770831 DOI: 10.1126/science.263.5148.785

Abstract

Knowledge of the abundance of H(3)(+) is needed in interstellar and planetary atmospheric chemistry. An important destruction mechanism of H(3)(+) is low-energy electron impact followed by dissociation, but estimates of the reaction rate span several orders of magnitude. As an attempt to resolve this uncertainty, the cross section for dissociative recombination of vibrationally cold H(3)(+) has been measured with an ion storage ring down to collision energies below 1 millielectron volt. A rate coefficient of 1.15 x 10(-7) cubic centimeters per second at 300 kelvin was deduced. The cross section scaled with collision energy according to E(-1.15), giving thee rate a temperature dependence of T(-0.65).

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