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Photofragmentation of the fluorene cation: I. New experimental procedure using sequential multiphoton absorption

机译:芴阳离子的光致碎裂:I.使用顺序多光子吸收的新实验程序

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摘要

The hydrogen-loss channel, induced by sequential multiphoton absorption, of the vapor-phase fluorene cation was investigated using a supersonic molecular beam and a time-of-flight mass spectrometer. The fluorene cation was prepared by resonantly enhanced multiphoton ionization. The ultimate goal of this experiment is the determination of the evolution of the dissociation rate constant in a wide energy range. In this paper, we give a description of the original experimental procedure, show that the absorption process is non-Poissonian, and determine the absolute photon absorption cross section.
机译:利用超音速分子束和飞行时间质谱仪研究了由顺序多光子吸收引起的气相芴阳离子的氢损失通道。通过共振增强的多光子电离制备芴阳离子。该实验的最终目的是确定在宽能范围内解离速率常数的变化。在本文中,我们对原始实验过程进行了描述,表明吸收过程是非泊松效应,并确定了绝对光子吸收截面。

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