期刊
CHEMICAL PHYSICS LETTERS
卷 661, 期 -, 页码 53-57出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cplett.2016.08.059
关键词
Van der Waals complex; Methyl iodide; Oxygen; Velocity map imaging; Double spin-flip transition
资金
- Russian Science Foundation [16-13-10024]
- Russian Foundation for Basic Research [16-33-00303, 15-03-03204]
- Russian Science Foundation [16-13-10024] Funding Source: Russian Science Foundation
Photoexcitation of van der Waals (vdW) complex CH3I-O-2 has been studied with velocity map imaging of I atoms arising in photodissociation. A new scheme of resonance-enhanced multiphoton ionization of iodine atoms has been applied with simultaneous use of UV and VIS radiation. The measured kinetic energy of I(P-2(312)) atoms indicates photogeneration of precursor CH3I molecules via complex-specific channel with excitation energy expected for double spin-flip transition in complex CH3I-O-2. The angular distribution for recoil directions of I(P-2(3/2)) atoms coming from vdW complexes also corresponds to that expected for double spin-flip transition. (C) 2016 Elsevier B.V. All rights reserved.
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