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Type: Journal article
Title: Fast beam studies of I₂⁻ and I₂⁻ • Ar photodissociation
Other Titles: Fast beam studies of I(2)(-) and I(2)(-) (.) Ar photodissociation
Author: Hoops, Alexandra A.
Gascooke, Jason Robert
Faulhaber, Ann Elise
Kautzman, Kathryn E.
Neumark, Daniel M.
Citation: Chemical Physics Letters, 2003; 374 (3-4):235-242
Publisher: Elsevier Science BV
Issue Date: 2003
ISSN: 0009-2614
School/Discipline: School of Chemistry and Physics : Chemistry
Statement of
Alexandra A. Hoops, Jason R. Gascooke, Ann Elise Faulhaber, Kathryn E. Kautzman and Daniel M. Neumark
Abstract: The photodissociation dynamics of bare I₂⁻ and I₂⁻ • Ar at 413 and 390 nm have been investigated using a fast beam instrument coupled with a new photofragment coincidence imaging detector. Results from the application of this technique to the dissociation of I₂⁻ and I₂⁻ • Ar yielded the dissociation energy of I₂⁻ (D₀(I₂⁻)=1.012±0.008 eV) and I₂⁻–Ar binding energy (D0(I₂⁻–Ar)=45±8 meV). The experiments show that at these wavelengths, I₂⁻ • Ar undergoes three-body dissociation to I⁻ + I* + Ar, with very low momentum in the Ar atom and unequal momentum partitioning between the two I atoms.
Description: Copyright © 2003 Elsevier Science B.V
RMID: RQF0000053
DOI: 10.1016/S0009-2614(03)00708-5
Appears in Collections:Physics publications

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