氯代苯分子3d Rydberg态的共振多光子电离光谱研究

MULTIPHOTON IONIZATION SPECTROSCOPY STUDYOF CHLOROBENZENE IN 3 d RYDBERG STATE

用共振多光子电离（ＭＰＩ）技术，结合飞行时间质谱（ＴＯＦＭＳ），对氯代苯（Ｃｌ）分子的３ｄＲｙｄｂｅｒｇ态进行了研究。在λ＝（４７３．０ｎｍ～４８３．０ｎｍ）范围内所获得的光离子光谱呈现出明显的可分辨的结构。经分析为３ｄ态的（３＋１）共振多光子电离，光谱结构可能为３ｄ态振动能级的反映，考虑跃迁选律，对这些结构进行了尝试性指认。

Resonance Multiphoton Ionization (MPI) technique combined with Time-of-Flying Mass Spectrometer (TOFMS) was used to study the vibrational constructure of chlorobenzene molecular in 3 d Rydberg state. By (3+1) multiphoton ionization process with 3 d Rydberg state in the range of (473.0nm-483.0nm), fifteen possible vibrational levels were tested and assigned attemptly considering transition rules.