NaK分子激发态的预离解和碰撞激发转移  

Predissociation and collisional excitation transfer of the NaK excited state

作　　者：沈异凡[1] 李万兴[1] 普拉提[1] 

机构地区：[1]新疆大学物理系,乌鲁木齐830046

出　　处：《原子与分子物理学报》2001年第4期359-361,共3页Journal of Atomic and Molecular Physics

基　　金：国家自然科学基金资助项目 (批准号 1986 40 0 1)

摘　　要：用Ar+ 激光器固定频率 488.0nm线激发Na -K混合蒸汽 ,NaK分子激发态通过自发辐射、预离解和与基态原子的碰撞激发转移而去布居 ,测量在不同K原子密度下原子荧光对分子荧光的强度比 ,结合NaK(E)态寿命 。The Na K vapor is excited by the fixed frequency line 488.0 nm of the Ar + laser. The NaK excited state is depopulated by radiative decay, predissociation and excitation transfer collision with the ground state atoms. By combining ratios of atomic to molecular fluorescence with the NaK( E ) state lifetime, all studied as a function of K density, the absolute rates for predissociation and collisional excitation transfer have been obtained.

关 键 词：预离解 碰撞转移 钾化钠分子 激发态 

分 类 号：O561.4[理学—原子与分子物理]