Single- and Double-Electron Capture Processes in Low-Energy Collisions of N4+ Ions with He

被引：9

作者：

Wang, Kun ^{[1
]}

Wang, Xiao-Xia ^{[1
]}

Qu, Yi-Zhi ^{[1
]}

Liu, Chun-Hua ^{[2
]}

Liu, Ling ^{[3
]}

Wu, Yong ^{[3
]}

Buenker, Robert J. ^{[4
]}

机构：

[1] Univ Chinese Acad Sci, Coll Optoelect Technol, Beijing 100049, Peoples R China

[2] Southeast Univ, Sch Phys, Nanjing 210094, Peoples R China

[3] Inst Appl Phys & Computat Math, Data Ctr High Energy Dens Phys, Beijing 100088, Peoples R China

[4] Berg Univ Wuppertal, Fachbereich Math & Nat Wissensch C, D-42097 Wuppertal, Germany

来源：

CHINESE PHYSICS LETTERS | 2020年 / 37卷 / 02期

基金：

中国国家自然科学基金;

关键词：

CORRELATED MOLECULAR CALCULATIONS; GAUSSIAN-BASIS SETS; CHARGE-TRANSFER; CI CALCULATIONS;

D O I：

10.1088/0256-307X/37/2/023401

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We investigate the electron capture processes of N4+(1s(2)2s) colliding with He(1s(2)) in the energy range of 10-1700 eV/amu using the quantum-mechanical molecular-orbital close-coupling (QMOCC) method. Total and state-selective single-electron capture and double-electron capture (SEC and DEC) cross sections are obtained and compared with other available studies. The results agree better with the experimental data in both trend and magnitude when the electron translation factor (ETF) effects are included. Our results indicate that both the SEC and DEC processes play important roles in the considered energy region. For the SEC processes, the N3+(1s(2)2p(2)) + He+(1s) states are the dominant capture states, and the N2+(1s(2)2s2p(2)) + He2+ states are the main DEC states.

引用

页数：5

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