期刊
CHEMICAL PHYSICS LETTERS
卷 447, 期 4-6, 页码 187-191出版社
ELSEVIER
DOI: 10.1016/j.cplett.2007.09.012
关键词
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The circular dichroism (CD) in ion yield for different excitation/ionisation schemes for R-(+)-3-methylcyclopentanone was measured with circular dichroism laser mass spectrometry (CD-LAMS). We discovered a cumulative CD effect of successive electronic transitions, resulting in an enhancement of the CD in ion yield. Two photon excitation of the n-pi*-transition compared with the one photon process showed a vanishing CD effect. (C) 2007 Elsevier B.V. All rights reserved.
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