Resonant vibrational excitation/de-excitation of N2 (v) by electrons

Resonant vibrational excitation/de-excitation of N2 (v) by electrons
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电子对 N2 (v) 的共振激发/去激发

DOI:
10.1088/0022-3727/32/20/307
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发表时间:
1999
期刊:
Journal of Physics D
影响因子:
--
通讯作者:
Z. Petrović
Z. Petrović
中科院分区:
--
文献类型:
--
作者:
A. Mihajlov;V. Stojanović;Z. Petrović

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本文应用Mihajlov和Zenkvar的半经验理论计算了氮原子从一个振动激发能级(v)到另一个振动激发能级(k)的激发截面和速率系数。对0 v,k8进行计算,这是模型适用性设定的限值。半经验模型假设激发到更高振动激发态的过程可以分成两个独立的部分,如果负离子复合态的寿命比抛射电子在分子维度上的飞行时间长得多,则这是合理的。半经验模型的计算是基于现有的最佳实验数据的弹性散射的电子和振动激发从基态。得到了振动量子数的所有组合的结果。麦克斯韦和非平衡速率系数的确定,它被发现,有一个很大的差异,由于一个非常具体的形状的电子能量分布函数在氮中的中等E/N(其中E是电场和N是气体数密度)的两套系数。
In this paper we have applied a semi-empirical theory of Mihajlov and Pivovar to calculate the cross sections and rate coefficients for excitation from one vibrationally excited level (v) of nitrogen to another (k). Calculations were performed for 0 v, k8, which is the limit set by the applicability of the model. The semi-empirical model assumes that the process of excitation to a higher vibrationally excited state may be split into two separate parts, which is justified if the lifetime of the negative ion compound state is much longer than the flight time of the projectile electron across the dimension of the molecule. The semi-empirical model calculations were based on the best available experimental data for elastic scattering of electrons and vibrational excitation from the ground state. Results for all combinations of the vibrational quantum numbers were obtained. Both Maxwellian and non-equilibrium rate coefficients were determined and it was found that there is a great difference between the two sets of coefficients due to a very specific shape of the electron energy distribution function in nitrogen at moderate E/N (where E is electric field and N is gas number density).
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发表时间: 2020
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作者:
Osawa Kosuke;Minamoto Yuki;Shimura Masayasu;Tanahashi Mamoru;西本将基,中谷俊晶,古木貴志,立花孝介,市來龍大,金澤誠司,黒井聖史,鈴村 啓,田中利夫,茂木完治,Marek Kocik,Jerzy Mizeraczyk
通讯作者: 西本将基,中谷俊晶,古木貴志,立花孝介,市來龍大,金澤誠司,黒井聖史,鈴村 啓,田中利夫,茂木完治,Marek Kocik,Jerzy Mizeraczyk