Comparison Of Quantum Mechanical And Classical Trajectory Calculations Of Cross Sections For Ion-Atom Impact Ionization of Negative - And Positive -Ions For Heavy Ion Fusion Applications | Zendy

Igor Kaganovich | Zendy; Edward A. Startsev | Zendy; Ronald C. Davidson | Zendy

Open Access

Comparison Of Quantum Mechanical And Classical Trajectory Calculations Of Cross Sections For Ion-Atom Impact Ionization of Negative - And Positive -Ions For Heavy Ion Fusion Applications

Author(s) -

Igor Kaganovich,

Edward A. Startsev,

Ronald C. Davidson

Publication year - 2003

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/814013

Subject(s) - ion , atomic physics , ionization , electron , trajectory , stripping (fiber) , cross section (physics) , impact parameter , atomic orbital , born approximation , atom (system on chip) , quantum , physics , chemistry , quantum mechanics , materials science , computer science , composite material , embedded system

Stripping cross sections in nitrogen have been calculated using the classical trajectory approximation and the Born approximation of quantum mechanics for the outer shell electrons of 3.2GeV I{sup -} and Cs{sup +} ions. A large difference in cross section, up to a factor of six, calculated in quantum mechanics and classical mechanics, has been obtained. Because at such high velocities the Born approximation is well validated, the classical trajectory approach fails to correctly predict the stripping cross sections at high energies for electron orbitals with low ionization potential

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