Geometric structure of N2Oq+ (q = 5, 6) studied by Ne8+ ion-induced Coulomb explosion imaging
Xi Zhao(赵曦)1, Xu Shan(单旭)1,†, Xiaolong Zhu(朱小龙)2, Lei Chen(陈磊)1, Zhenjie Shen(沈镇捷)1, Wentian Feng(冯文天)2, Dalong Guo(郭大龙)2, Dongmei Zhao(赵冬梅)2, Ruitian Zhang(张瑞田)2, Yong Gao(高永)2, Zhongkui Huang(黄忠魁)2, Shaofeng Zhang(张少锋)2, Xinwen Ma(马新文)2,‡, and Xiangjun Chen(陈向军)1
1 Hefei National Laboratory for Physical Sciences at the Microscale and Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China; 2 Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
Abstract We report the study on the complete three-body Coulomb explosion (CE) of N2Oq+ (q = 5, 6) induced by 56-keV/u Ne8+ ion collision with N2O gaseous molecule. Six CE channels for N2O5+ and seven for N2O6+ are identified by measuring three ionic fragments and the charge-changed projectile in quadruple coincidence. Correspondingly the kinetic energy release (KER) and momentum correlation angle (MCA) distributions of three ionic fragments for each of the CE channels are also deduced. Numerical computation is presented to reconstruct the geometric structure of N2Oq+ prior to dissociation based on the measured KER and MCA. The N-N and N-O bond lengths and the N-N-O bond angles of N2Oq+ for each of the channels are determined.
Fund: Project supported by the National Key Research and Development Program of China (Grant Nos. 2017YFA0402300 and 2017YFA0303501) and the Strategic Priority Research Program of Chinese Academy of Sciences (Grant No. XDB34000000). The authors thank the staff of the 320-kV platform for multidisciplinary research with highly charged ions at the Institute of Modern Physics, Chinese Academy of Sciences, for their technical support.
Corresponding Authors:
Xu Shan, Xinwen Ma
E-mail: xshan@ustc.edu.cn;x.ma@impcas.ac.cn
Cite this article:
Xi Zhao(赵曦), Xu Shan(单旭), Xiaolong Zhu(朱小龙), Lei Chen(陈磊), Zhenjie Shen(沈镇捷), Wentian Feng(冯文天), Dalong Guo(郭大龙), Dongmei Zhao(赵冬梅), Ruitian Zhang(张瑞田), Yong Gao(高永), Zhongkui Huang(黄忠魁), Shaofeng Zhang(张少锋), Xinwen Ma(马新文), and Xiangjun Chen(陈向军) Geometric structure of N2Oq+ (q = 5, 6) studied by Ne8+ ion-induced Coulomb explosion imaging 2021 Chin. Phys. B 30 113302
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