DICP OpenIR
Subject Area物理化学
Probing dynamical resonances and non-adiabatic effects in fundamental chemical reactions
Yang XM(杨学明)
Source Publication10th European Conference on Atoms Molecules and Photons
Conference Name10th European Conference on Atoms Molecules and Photons
Conference Date2010-7-5
2011
Conference PlaceSalamanca(萨拉曼卡市)
Alternative Title探测基元化学反应中的动力学共振和非绝热效应
Pages0-0
Publisher待补充
Publication Place待补充
Cooperation Status特邀报告
Department1102
Funding Organization西班牙萨拉曼卡大学
AbstractReaction resonances, or transiently stabilized transition-state structures, have proven highly challenging to capture experimentally. Here, we used the highly sensitive H atom Rydberg tagging time-of-flight method to conduct a crossed molecular beam scattering study of the F + H2 → HF + H reaction with full quantum-state resolution. Pronounced forward-scattered HF products in the v′ = 2 vibrational state were clearly observed at a collision energy of 0.52 kcal/mol; this was attributed to both the ground and the first excited Feshbach resonances trapped in the peculiar HF(v′ = 3)-H′ vibrationally adiabatic potential, with substantial enhancement by constructive interference between the two resonances.; Reaction resonances, or transiently stabilized transition-state structures, have proven highly challenging to capture experimentally. Here, we used the highly sensitive H atom Rydberg tagging time-of-flight method to conduct a crossed molecular beam scattering study of the F + H2 → HF + H reaction with full quantum-state resolution. Pronounced forward-scattered HF products in the v′ = 2 vibrational state were clearly observed at a collision energy of 0.52 kcal/mol; this was attributed to both the ground and the first excited Feshbach resonances trapped in the peculiar HF(v′ = 3)-H′ vibrationally adiabatic potential, with substantial enhancement by constructive interference between the two resonances.
Document Type会议论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/115918
Collection中国科学院大连化学物理研究所
Corresponding AuthorYang XM(杨学明)
Recommended Citation
GB/T 7714
Yang XM. Probing dynamical resonances and non-adiabatic effects in fundamental chemical reactions[C]. 待补充:待补充,2011:0-0.
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