Resonance enhanced two-photon ionization studies in a supersonic molecular beam: Bromobenzene and iodobenzene

阅读量:

43

作者:

TG DietzMA DuncanMG LivermanRE Smalley

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摘要:

The1B2(ππ*)←1A1absorptions of two monosubstituted halobenzenes have been investigated using resonance enhanced two‐photon ionization in a pulsed supersonic molecular beam. Detection of the photoions was accomplished by means of a time‐of‐flight mass spectrometer. The1B2←1A1system of bromobenzene has been observed with good sensitivity using this technique, even though the total decay rate of the1B2state is greater than 1×1011sec1. No ion signal was observed when the same transition was probed in iodobenzene, allowing us to place a lower limit on its decay rate of 4×1013sec1.

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DOI:

10.1063/1.440000

被引量:

211

年份:

1980

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1982
被引量:20

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