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核技术  2015 

月表岩石诱发γ辐射场原始谱特征模拟

DOI: 10.11889/j.0253-3219.2015.hjs.38.110501, PP. 110501-110501

Keywords: 月表岩石,诱发r辐射场,原始谱,FLUKA

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Abstract:

玄武岩、克里普岩、橄榄岩在月球表面广泛分布,并具有一定的代表性,并且岩石密度差异较大,高能粒子(GalacticCosmicRays,GCR;SolarParticleEvent,SPE)与岩石相互作用后激发?射线。利用蒙特卡罗软件FLUKA开展了月表高能质子诱发?射线的研究,获取了月表多种成岩主元素的特征?射线能量峰、正电子湮灭峰和?辐射平衡峰等原始谱特征信息。通过数据分析表明特征峰强度与月表岩石密度呈正相关。原始谱特征的研究不仅可以为不同系列绕月?数据的对比研究提供参考,也可为在全月表面进行基于核辐射方法的岩石密度填图研究提供理论支撑。

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