期刊
CHEMICAL PHYSICS LETTERS
卷 376, 期 5-6, 页码 767-775出版社
ELSEVIER
DOI: 10.1016/S0009-2614(03)01060-1
关键词
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Time-resolved photoelectron imaging (TRPEI) is used to investigate the effect of time-evolving alignment on the photoelectron angular distribution (PAD) from anion photo detachment. The B <-- X 0(0)(0) transition in C-2(-) is pumped with a ferritosecond laser pulse at 541 nm and probed by femtosecond photodetachment at 264 nm. The pump pulse produces rotational coherences in the upper state that exhibit partial and full revivals, as evidenced by modulation of the PAD anisotropy moments. From these, one can extract the excited state rotational constant of C, and information regarding the molecular frame PAD. (C) 2003 Elsevier B.V. All rights reserved.
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