NO dissociation through ns, np, and nf Rydberg states: angular distributions.

NO dissociation through ns, np, and nf Rydberg states: angular distributions.
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通过 ns、np 和 nf 的 NO 解离 Rydberg 态:角分布。

DOI:
10.1063/1.4861662
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发表时间:
2014
期刊:
The Journal of chemical physics
影响因子:
--
通讯作者:
P. Houston
P. Houston
中科院分区:
--
文献类型:
--
作者:
J. Chen;B. R. Strangfeld;P. Houston

文献摘要

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本文利用速度映象成像和理论计算研究了NO(+)(X(2)~(+))核激发到11 s,10 p,11 p和9 f Rydberg能级后预解离产物的角分布。从NO(A(2)<$N(+),v = 0,N = 2,J = 1.5)能级达到Rydberg态,NO(A(2)<$N(+),v = 0,N = 2,J = 1.5)能级是通过NO(X(2)<$N,v = 0,N = 1,J = 0.5)的线性偏振激发而制备的。离子浸光谱的里德伯态记录沿着与速度映射图像的主峰。将结果与基于先前修改的理论方法的计算进行比较,以包括Hund情况(d)耦合状态的过渡。合理的一致性表明了该理论的预测价值。该理论也被用来重新评估和解释以前的结果,并理解10 p和11 p里德堡态的光解离速率的变化。
Velocity-mapped imaging and theoretical calculations have been used to study the angular distribution of the products of NO predissociation following its excitation to the 11s, 10p, 11p, and 9f Rydberg levels based on the NO(+) (X (2)Σ(+)) core. The Rydberg states were reached from the NO (A (2)Σ(+), v = 0, N = 2, J = 1.5) level prepared with strong alignment by excitation with linear polarization from NO (X (2)Π, v = 0, N = 1, J = 0.5). Ion dip spectra of the Rydberg states were recorded along with velocity-mapped images at the major peaks. The results are compared to calculations based on a previous theoretical approach modified to include transitions to states of Hund's case (d) coupling. The reasonable agreement shows the predictive value of the theory. The theory has also been used to reassess and explain previous results and to understand variations in the rate of photodissociation with components of the 10p and 11p Rydberg states.