CDW-EIS calculation in He2++H impact ionization | Zendy

Ning Ye | Zendy; Bin He | Zendy; Liu Chun-Lei | Zendy; Jun Yan | Zendy; Jianguo Wang | Zendy

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CDW-EIS calculation in He2++H impact ionization

Author(s) -

Ning Ye,

Bin He,

Liu Chun-Lei,

Jun Yan,

Jianguo Wang

Publication year - 2005

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.54.3075

Subject(s) - projectile , ionization , impact ionization , atomic physics , physics , electron ionization , range (aeronautics) , impact parameter , eikonal equation , eikonal approximation , impact energy , binary number , materials science , ion , quantum mechanics , arithmetic , mathematics , composite material

The He2+H Impact Ionization process is investigated using a continu um distorted wave method with the eikonal initial-state(CDW-EIS) approximation.The total,single- and double-differential cross sections are obtained in the projectile energy ranges from 30keV/u to 2000keV/u.The total cross sections are compared with the existing theoretical and experimental data.When the projectile energy is larger than 100keV/u,our results are in good agreement with the experimental measurements,while about 50% less than experimental data in the lower energy range.The ionization mechanism of soft-collisions,electron captured to continuum states and binary-encounter collisions are also displayed.

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