Author:
Zhou Chun-Lin ,Shao Jian-Xiong ,Chen Xi-Meng ,Gao Zhi-Min ,Wang Jun ,Sun Guang-Zhi ,Xi Fa-Yuan ,Chen Yi-Feng ,Chen Lin ,Ding Bao-Wei ,Wang Xing-An ,Lou Feng-Jun ,Xu Jun-Kui ,Qiu Xi-Yu ,Wang Fan ,Lü Y ,
Abstract
We measured the cross-section ratios of helium induced by Cq+ and Oq+ （q=1—4） produced by the 2×1.7 MV tandem accelerator of Lanzhou University in the energy range from 20 to 500 keV. We obtained the two-dimensional spectrum by employing coincidence method combined with the MPA-3 data acquisition system. Thus, we obtained the ratios of direct ionization, projectile capture electrons and projectile loss electrons to the total cross-section which are denoted by of Rdirect， Rcapture and Rloss in this paper. A qualitative explanation of the competitive relation of the three reaction-channels and the emperical laws of the three reaction channels are separately presented.
Publisher
Acta Physica Sinica, Chinese Physical Society and Institute of Physics, Chinese Academy of Sciences
Subject
General Physics and Astronomy
Cited by
1 articles.
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