Electron-Impact Excitation of Ions-Effects of Presence of Another Ion : Atoms and Molecules

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概要

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• Present work gives for the first time the formulation of the two-center Coulomb-Born approximation (TCCBA) and presents some calculations for the electron-impact excitations in electron-ion-ion systems. The effect of the third body was relatively small in the cases studied so far. However, if the third body is a bare ion with a charge larger than the target ion, there will be a marked influence of the three-body collisions. Utilizing TCCBA we present the total and partial cross sections of hydrogen-like ions He^+(N=2), and C^<5+>(Z=6) in the hydrogen plasma from the ground states 1s to the excited states 2s and 2p_0, 2p_± for the collision energies from 0.4Z^2 to 2Z^2 a.u.; for the excited states of the target ions, Stark effect is also studied. It is found that the presence of another ion have little effect on the 1s-2s transition and the 2s-2p Stark mixing has a prominent effect.

• 2000-02-15

著者

• Takayanagi Kazuo

  Shibaura Institute Of Technology

• Ohsaki Akihiko

  Department Of Materials Science Faculty Of Engineering Miyazaki University

• NAGASAKI Satoshi

  Department of Materials Science,Faculty of Engineering,Miyazaki University

• URAMOTO Sei-iti

  Graduate School of Science and Engineering,Saitama University

• Uramoto S

  Graduate School Of Science And Engineering Saitama University

• Nagasaki Satoshi

  Department Of Materials Science Faculty Of Engineering Miyazaki University

関連論文

• Electron-Impact Excitation of Ions-Effects of Presence of Another Ion : Atoms and Molecules

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