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Low energy inelastic electron scattering from carbon monoxide: I. Excitation of the a 3 Π , a′ 3 Σ + and A 1 Π electronic states
Journal of Physics B: Atomic, Molecular and Optical Physics ( IF 1.5 ) Pub Date : 2020-07-05 , DOI: 10.1088/1361-6455/ab95ef
Mateusz Zawadzki 1, 2 , Murtadha A Khakoo 1 , Logan Voorneman 1 , Luka Ratkovich 1 , Zdeněk Mašn 3 , Karel Houfek 3 , Amar Dora 4 , Russ Laher 5 , Jonathan Tennyson 6
Affiliation  

Differential scattering cross sections for electron excitation of the three lowest excited electron states of carbon monoxide are obtained experimentally using low-energy electron energy-loss spectroscopy and theoretically using the R -matrix method. The incident electron energies range from near-threshold of 6.3 eV to 20 eV. Experimental scattering angles range from 20° to 120°. The normalization of the experimental cross sections is made to available experimental elastic scattering data (Gibson et al 1996 J. Phys. B: At. Mol. Opt. Phys. 29 3197). The R -matrix calculations use three distinct close-coupling models and their results are compared to available experimental and theoretical cross sections. The overall comparison leads to significantly improved description of the excitation cross sections for this target.

中文翻译:

一氧化碳的低能非弹性电子散射:I.激发a 3Π,a'3Σ+和A 1Π电子态

一氧化碳的三个最低激发电子态的电子激发的微分散射截面是使用低能电子能量损失谱和理论上使用R矩阵方法通过实验获得的。入射电子能量的范围从接近阈值6.3 eV到20 eV。实验散射角范围为20°至120°。实验横截面的归一化是根据可用的实验弹性散射数据进行的(Gibson et al 1996 J. Phys。B:At。Mol。Opt。Phys。29 3197)。R矩阵计算使用三个不同的紧密耦合模型,并将其结果与可用的实验截面和理论截面进行比较。总体比较可以显着改善该目标的激励截面描述。
更新日期:2020-07-06
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