DICP OpenIR
学科主题物理化学
Probing dynamical resonances and non-adiabatic effects in fundamental chemical reactions
Yang XM(杨学明)
会议文集10th European Conference on Atoms Molecules and Photons
会议名称10th European Conference on Atoms Molecules and Photons
会议日期2010-7-5
2011
会议地点Salamanca(萨拉曼卡市)
其他题名探测基元化学反应中的动力学共振和非绝热效应
页码0-0
出版者待补充
出版地待补充
合作性质特邀报告
部门归属1102
主办者西班牙萨拉曼卡大学
英文摘要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.; 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.
文献类型会议论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/115918
专题中国科学院大连化学物理研究所
通讯作者Yang XM(杨学明)
推荐引用方式
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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