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In this paper, the Monte Carlo method is used to simulate atmospheric ionization effects of the prompt radiation from high altitude nuclear explosion (HANE). Simulation gives the instantaneous spatial distributions of the electron density in atmosphere. The atmosphere is a kind of non-uniform media, whose density drops rapidly with the increase of height. Therefore, a method, which samples the mass distance to replace the step length of the particle, is used to considerably increase the computing speed. The simulation results show that there is an obvious difference between additional ionization regions of different height of nuclear explosion. As the explosion-height increases, influence range of the prompt nuclear radiation will be wider, but the electron density will be lower.
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Keywords:
- high altitude nuclear explosion /
- prompt radiation /
- atmospheric ionization effects /
- Monte Carlo method
[1] Glasstone Samuel, The Effects of Nuclear Weapons, Washington D.C.: United States Department of Defense and the Energy Research and Development Administration, 1966
[2] Qiao D J 2003 The Introduction to Nuclear Explosion Physics (Beijing: National Defense Industry Press) (in Chinese) [乔登江 2003 核爆炸物理概论 (北京: 国防工业出版社)]
[3] Guan R S, Li Q 1997 Wuhan University Journal 43 381 (in Chinese) [管荣生、李 钦 1997 武汉大学学报 43 381 ]
[4] Li Q, Guan R S, Long X L 1990 Wuhan University Journal of Natural Sciences 35 39 (in Chinese) [李 钦、管荣生、龙咸灵 1990 武汉大学学报 (自然科学版) 35 39]
[5] Zhao Z Y, Wang X 2007 Acta Phys. Sin. 56 4297 (in Chinese) [赵正予、王 翔 2007 56 4297]
[6] Latter R, Lelevier R E 1963 JGR 68 1634
[7] Byrd R C 1995 LA-12926-MS
[8] Xu S Y 2006 Application of Monte Carlo method in experimental nuclear physics (Beijing: Atomic Energy Press) (in Chinese) [许淑艳 2006 蒙特卡罗方法在实验核物理中的应用 (北京: 原子能出版社)]
[9] Briesmeister J F. MCNP-A General Monte Carlo N-Particle Transport Code, Ver. 4B, LA-12625-M. Oak Bridge National Laboratory
[10] Phenomena Affecting Electromagnetic Propagation, AD-A955392, Chapter 8 1989
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[1] Glasstone Samuel, The Effects of Nuclear Weapons, Washington D.C.: United States Department of Defense and the Energy Research and Development Administration, 1966
[2] Qiao D J 2003 The Introduction to Nuclear Explosion Physics (Beijing: National Defense Industry Press) (in Chinese) [乔登江 2003 核爆炸物理概论 (北京: 国防工业出版社)]
[3] Guan R S, Li Q 1997 Wuhan University Journal 43 381 (in Chinese) [管荣生、李 钦 1997 武汉大学学报 43 381 ]
[4] Li Q, Guan R S, Long X L 1990 Wuhan University Journal of Natural Sciences 35 39 (in Chinese) [李 钦、管荣生、龙咸灵 1990 武汉大学学报 (自然科学版) 35 39]
[5] Zhao Z Y, Wang X 2007 Acta Phys. Sin. 56 4297 (in Chinese) [赵正予、王 翔 2007 56 4297]
[6] Latter R, Lelevier R E 1963 JGR 68 1634
[7] Byrd R C 1995 LA-12926-MS
[8] Xu S Y 2006 Application of Monte Carlo method in experimental nuclear physics (Beijing: Atomic Energy Press) (in Chinese) [许淑艳 2006 蒙特卡罗方法在实验核物理中的应用 (北京: 原子能出版社)]
[9] Briesmeister J F. MCNP-A General Monte Carlo N-Particle Transport Code, Ver. 4B, LA-12625-M. Oak Bridge National Laboratory
[10] Phenomena Affecting Electromagnetic Propagation, AD-A955392, Chapter 8 1989
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