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题名: Internal conversion dynamics of benzene studied by femtosecond pump-probe mass spectroscopy
作者: Yin, SH;  Liu, HP;  Zhang, JY;  Jiang, B;  Wang, L;  Sha, GH;  Lou, NQ
关键词: life time ;  pump-probe ;  internal conversion
刊名: CHINESE JOURNAL OF CHEMICAL PHYSICS
发表日期: 2003-06-01
卷: 16, 期:3, 页:171-175
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Physics, Atomic, Molecular & Chemical
研究领域[WOS]: Physics
英文摘要: The detection of benzene photolons in pump-probe experiments with the fermosecond laser pulse at 400 and 266 nm has allowed to study the dynamics of the internal conversion after excitation to the electronic S-2 state. For the S-2 state, an extremely short lifetime tau(D1) = ( 48 +/- 1) fs has been obtained, whereas the lifetime tau(D2) = ( 6.5 +/- 0.2) ps of the S-1 state populated by the internal conversion from the S-2 state is longer than that of the S-2 state. The deactivation of the S-2 state as well as the S-1 state has been explained by the internal conversion to lower electronic states caused by the conical intersection of the corresponding potential surfaces.
关键词[WOS]: HIGHLY EXCITED-STATES ;  PHOTOELECTRON-SPECTROSCOPY ;  MOLECULES ;  AMMONIA ;  PULSES ;  DIMER
语种: 英语
WOS记录号: WOS:000184063700004
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138278
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China

Recommended Citation:
Yin, SH,Liu, HP,Zhang, JY,et al. Internal conversion dynamics of benzene studied by femtosecond pump-probe mass spectroscopy[J]. CHINESE JOURNAL OF CHEMICAL PHYSICS,2003,16(3):171-175.
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