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题名: Photoelectron spectroscopy of ammonia via a fast predissociative state
作者: Xie, JC;  Jiang, B;  Li, GH;  Yang, S;  Xu, JJ;  Sha, GH;  Xu, DL;  Lou, NQ;  Zhang, CH
刊名: FARADAY DISCUSSIONS
发表日期: 2000
卷: 115, 期:115, 页:127-136
收录类别: SCI
文章类型: Article
部门归属: 11
项目归属: 1103
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: We report a study on resonance enhanced multiphoton ionization photoelectron spectroscopy (REMPI-PES) involving the fast predissociative (A) over tilde state of ammonia, using nano- and femtosecond lasers. The multiphoton scheme involves (1 + 1), (2 + 2), (2 + 2) + 1 and (2 + 2) + 2 photon processes. We have found a progression of stretching vibrations nu(1) in the PE spectrum when pumping NH3 (A) over tilde upsilon(2) = 0, 1 and 3 as intermediate states. The stretching vibration intensity distributions in the photoelectron spectrum are calculated by using the Chebychev method of the wavepacket propagation. The femtosecond spectrum shows a similar feature to the nanosecond spectrum. However, high laser power also causes band broadening and shifting effect as well as above threshold multiphoton ionization.
关键词[WOS]: MULTIPHOTON IONIZATION ;  FLUORESCENCE-SPECTRUM ;  2-PHOTON IONIZATION ;  COOLED AMMONIA ;  DYNAMICS ;  MOLECULES ;  ABSORPTION ;  IONS ;  NH3
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000088654700010
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/90441
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:
Xie, JC,Jiang, B,Li, GH,et al. Photoelectron spectroscopy of ammonia via a fast predissociative state[J]. FARADAY DISCUSSIONS,2000,115(115):127-136.
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