Behaviors of Electron Capture Cross Sections in the Intermediate Velocity Regime on Ion-Atom Collisions

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概要

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• The behavior of electron capture cross sections in the intermediate velocity regime are classified into two types: one showing moderate monotonic change against collision velocity and the other showing noticeable change with a clear maximum in the intermediate velocity regime. In order to reproduce the two types of velocity dependencies for the collision system of low-ionization-stage ions and light atoms, we proposed a velocity matching model for an electron capture process in the intermediate velocity regime, taking the characteristics of the intermediate velocity collisions into consideration; i) collisions with a small impact parameter are effective. ii) Finite relaxation time necessary for electron capture reduces the cross section proportionally to 1/V, as collision velocity V increases. The limitations of the application of this model are also discussed.

• 社団法人応用物理学会の論文
• 1999-01-15

著者

• Mita Kenji

  Department Of Gastroenterology Kobe Asahi Hospital

• Mita Kenji

  Department Of Mechanical Physics Kyoto University

• Asada S

  Department Of Mechanical Physics Kyoto University

• Asada Shin

  Department Of Hygiene Chemistry Faculty Of Pharmaceutical Sciences Science University Of Tokyo

• Seo Y

  Charged Perticle Beam And Plasma Laboratory Department Of Electrophysics/pdp Research Center Kwangwo

• OKASAKA Rei

  Department of Mechanical Physics,Kyoto University

• NAEMURA Kazuyoshi

  Department of Mechanical Physics,Kyoto University

• SEO Yoshiho

  Department of Mechanical Physics, Kyoto University

• Seo Yoshio

  Department Of Mechanical Physics Kyoto University

• Okasaka R

  Department Of Mechanical Physics Kyoto University

• Okasaka Rei

  Department Of Engineering Physics Faculty Of Engineering Kyoto University

• Naemura Kazuyoshi

  Department Of Mechanical Physics Kyoto University

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