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Electron-CO excitation and ionization cross sections for plasma modeling

Annarita Laricchiuta, Lucia Daniela Pietanza, Mario Capitelli, Gianpiero Colonna2019年Plasma Physics and Controlled FusionIF 2.2出版社

The influence of the internal energy content, either vibrational or electronic, on the probability of CO elementary processes induced by electron-impact is investigated. In particular the vibronic excitations of the first singlet state of the CO spectrum, A1Π, are derived in the framework of the similarity approach, characterizing also the radiative properties to the ground electronic state. Moreover the ionization of the ground state to the first three states of the molecular ion are calculated with the binary-encounter-dipole model, investigating the branching ratio of the three channels and their vibrational dependence. Finally the total ionization of the CO metastable a3Π state is considered in the binary-encounter-Bethe approach.

日本語訳

内部エネルギー含有量(振動または電子)が、電子衝突によって誘起されるCOの素過程の確率に及ぼす影響を調査する。特に、COスペクトルの第一一重項状態A1Πの振電励起を、類似性アプローチの枠組みで導出し、基底電子状態への放射特性も特徴づける。さらに、基底状態から分子イオンの最初の三つの状態へのイオン化を、二体衝突双極子モデルを用いて計算し、三つのチャネルの分岐比とその振動依存性を調査する。最後に、COの準安定状態a3Πの全イオン化を、二体衝突ベーテ法の枠組みで考察する。

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