核子天体物理中中子诱导带电粒子反应的微气体探测器研究

C. Yadav, A. Green, M. Friedman
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引用次数: 1

摘要

中子诱导的各种不稳定核的带电粒子反应研究对于理解爆炸天体物理场景中发生的各种核合成过程具有重要作用。我们正在探索一种新的实验方法,利用7Li(p, n)7Be反应作为中子源,在1.5-3.5 GK的有效温度下,研究各种不稳定核的中子诱导电荷粒子截面,与目前可用的中子飞行时间设施相比,该反应的中子强度要高三个数量级。我们计划在德国物理技术中心(PTB)使用10µa质子束进行实验,同时正在开发基于Micromegas的气体探测器。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Neutron-induced charged-particle reaction studies in nuclear astrophysics with a Micromegas based gaseous detector
Neutron-induced charged-particle reaction studies on various unstable nuclei play an important role in understanding various nucleosynthesis processes occurring in explosive astrophysical scenarios. We are pursuing a novel experimental approach to study neutron-induced charge particle cross-sections for various unstable nuclei at effective temperatures of 1.5-3.5 GK using the 7Li(p, n)7Be reaction as a neutron source with three orders of magnitude higher neutron intensities with respect to currently available neutron time-of-flight facilities. We plan to perform our experiments with a 10-µA proton beam at the Physikalisch Technische Bundesanstalt facility (PTB, Germany), with a Micromegas based gaseous detector being developed.
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