Single-electron Loss in Collision of Lithium-like Ion With He Atom

LIU Jin-peng; ZHAO Yong-long; JING Long; DING Bao-wei

doi:10.7538/yzk.2014.48.07.1153

Atomic Energy Science and Technology > 2014 > 48(7): 1153-1158. > DOI: 10.7538/yzk.2014.48.07.1153

LIU Jin-peng, ZHAO Yong-long, JING Long, DING Bao-wei. Single-electron Loss in Collision of Lithium-like Ion With He Atom[J]. Atomic Energy Science and Technology, 2014, 48(7): 1153-1158. DOI: 10.7538/yzk.2014.48.07.1153

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Single-electron Loss in Collision of Lithium-like Ion With He Atom

School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China

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Abstract

The cross sections for single-electron loss (SEL), single-electron loss associated with single ionization (SELSI) and single-electron loss associated with double ionization (SELDI) in collisions of lithium-like ions B²⁺, C³⁺, N⁴⁺ and O⁵⁺ with helium atom in the energy range from 20 to 900 keV/u were calculated by considering the distribution of both target and projectile electrons based on the Bohr-Lindhard (B-L) model. The calculated results were compared with the available experimental data. The analysis shows that the heavier the ion, the smaller the impact parameter for a given process and the impact parameters for SEL, SELSI and SELDI decrease successively for a given ion.
- electron loss,
- ionization,
- lithium-like ion

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