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Phys. Rev. A 67, 022702 (2003) [4 pages]

Measurement of the charge-transfer rate of Fe3+-ion coefficients with H2 and N2 at electron-volt energy

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Kelin Gao1 *, Zongxiu Nie1, Yurong Jiang1,2, and Jiaomei Li1
1Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, The Chinese Academy of Sciences, P.O. Box 71010, Wuhan 430071, People’s Republic of China
2Department of Optical Engineering, Beijing Institute of Technology, Beijing 100081, People’s Republic of China

Received 23 August 2002; published 6 February 2003

The charge-transfer rate coefficients of Fe3+ with H2 and N2 are measured by using a laser-ablation ion source and a quadrupole radio-frequency ion trap with the mean collision energy of about 5.1 eV. The rate coefficients for Fe3+ with H2 at the equivalent temperature 1.7×103 K and Fe3+ with N2 at 1.3×104 K are 1.64(0.22)×10-10 cm3 s-1 and 4.36(0.46)×10-9 cm3 s-1, respectively. The measured values are of the same order as the Langevin rate coefficient.


©2003 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevA.67.022702
DOI: 10.1103/PhysRevA.67.022702
PACS: 34.70.+e, 32.80.Pj, 52.50.Jm

* E-mail address: klgao@wipm.ac.cn

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