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The X-ray radiation ionization processes at different altitudes of atmosphere with high-altitude nuclear explosions are numerically simulated, and the temporal and spatial distribution curves of electrons are shown in this paper. The electron density has one maximal point with 1 kt equivalent explosion at 80 kilometers, which is near the explosion point. It is different from the explosion point above 80 kilometers, and the electron density has two maximal points in that case. One is near the explosion point, and the other is near 90 km altitude, where the ionization effect range of high-altitude nuclear explosion is widest. The X-ray of high-altitude nuclear explosion has no effect at below 70 km altitude. With the increase of radiation angle, the altitude of the second electron density maximal point increases, and the cut-off altitude of X-ray increases too.
[1] Wang J G, Niu S L, Zhang D H, Qiao D J 2010 The parameter manual book of high-altitude nuclear explosion effects (Beijing: Atomic Energy Press) p31 (in Chinese) [王建国, 牛胜利, 张殿辉, 乔登江 2010 高空核爆炸效应参数手册 (北京: 原子能出版社) 第31页]
[2] Tao Y L, Wang J G, Niu S L, Zhu J H, Fan R Y 2010 Acta Phys. Sin. 59 5915 (in Chinese) [陶应龙, 王建国, 牛胜利, 朱金辉, 范如玉 2010 59 5915]
[3] Ouyang J M, Ma Y Y, Shao F Q, Zou D B Acta Phys. Sin. (in Chinese) [欧阳建明, 马燕云, 邵福球, 邹德滨 已接收]
[4] Ouyang J M, Ma Y Y, Shao F Q, Zou D B 2012 Acta Phys. Sin. 61 083201 (in Chinese) [欧阳建明, 马燕云, 邵福球, 邹德滨 2012 61 083201]
[5] Ren X M, Qian Z M 1982 U.S. Standard Atmosphere, 1976 (Beijing: Science Press) p50 (in Chinese) [任现淼, 钱志民 1982 标准大气(译本) (北京: 科学出版社) 第50页]
[6] Ouyang J M, Guo W, Wang L, Shao F Q 2004 Chin. Phys. 13 2174
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[1] Wang J G, Niu S L, Zhang D H, Qiao D J 2010 The parameter manual book of high-altitude nuclear explosion effects (Beijing: Atomic Energy Press) p31 (in Chinese) [王建国, 牛胜利, 张殿辉, 乔登江 2010 高空核爆炸效应参数手册 (北京: 原子能出版社) 第31页]
[2] Tao Y L, Wang J G, Niu S L, Zhu J H, Fan R Y 2010 Acta Phys. Sin. 59 5915 (in Chinese) [陶应龙, 王建国, 牛胜利, 朱金辉, 范如玉 2010 59 5915]
[3] Ouyang J M, Ma Y Y, Shao F Q, Zou D B Acta Phys. Sin. (in Chinese) [欧阳建明, 马燕云, 邵福球, 邹德滨 已接收]
[4] Ouyang J M, Ma Y Y, Shao F Q, Zou D B 2012 Acta Phys. Sin. 61 083201 (in Chinese) [欧阳建明, 马燕云, 邵福球, 邹德滨 2012 61 083201]
[5] Ren X M, Qian Z M 1982 U.S. Standard Atmosphere, 1976 (Beijing: Science Press) p50 (in Chinese) [任现淼, 钱志民 1982 标准大气(译本) (北京: 科学出版社) 第50页]
[6] Ouyang J M, Guo W, Wang L, Shao F Q 2004 Chin. Phys. 13 2174
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