首页> 外文期刊>The Journal of Chemical Physics >Velocitv distribution function for O+(S-4(3/2)) ions drifting in helium and cross section for reaction of O+(S-4(3/2)) with N-2(v=0)
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Velocitv distribution function for O+(S-4(3/2)) ions drifting in helium and cross section for reaction of O+(S-4(3/2)) with N-2(v=0)

机译:欧元瓦焦分布函数(S-4(3/2))离子在氦气和横截面中漂移,用于与N-2(v = 0)的O +(S-4(3/2))反应

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摘要

The Gram-Charlier method for solving the Boltzmann equation is used to compute velocity distribution functions for O+(S-4(3/2)) ions drifting under the influence of an electric field through helium or argon gas containing small amounts of N-2. This allows us to reassess the accuracy of the commonly used reaction cross section for the O+(4S(3)(/2)) + N-2 reaction, perhaps the most important reaction in the upper ionosphere. It is found that the cross sections that were derived from flow-drift measurements are in considerable error for relative kinetic energies of 0.3-3 eV between the reacting species. Using the best available transport theory, flow-drift tube data of the reaction rate coefficient are inverted to obtain a better cross section. Published by AIP Publishing.
机译:用于求解Boltzmann方程的克 - 查理方法用于计算O +(S-4(3/2))离子的速度分布函数在电场通过氦气或含有少量N-2的氩气的影响下漂移 。 这使我们能够重新评估O +(4S(3)(/ 2))+ N-2反应的常用反应横截面的准确性,也许是上电离层中最重要的反应。 发现源自流动测量的横截面在反应物种之间的相对动能的0.3-3eV的相对动能中处于相当大的误差。 使用最佳可用的运输理论,反应速率系数的流量漂移管数据被反转以获得更好的横截面。 通过AIP发布发布。

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