新型裂变中子测量仪对钚的探测

1998 IEEE Nuclear Science Symposium Conference Record. 1998 IEEE Nuclear Science Symposium and Medical Imaging Conference (Cat. No.98CH36255) Pub Date : 1998-11-08 DOI:10.1109/NSSMIC.1998.774340

A. Klett

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引用次数: 11

摘要

搜寻非法贩运或隐藏的钚来源，特别是自前苏联解体以来，已真正成为一个问题。钚极其危险，很难在远距离探测到。钚同位素发射的α -粒子和x射线很容易被材料本身或周围环境屏蔽。除了几个/spl γ /外，钚样品发出的穿透辐射只有自发裂变产生的中子。为此，设计了具有无与伦比的裂变中子灵敏度的专用中子测量仪LB6414。

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Plutonium detection with a new fission neutron survey meter

The search for illicit trafficking or hidden plutonium sources has, especially since the breakdown of the former Soviet Union, really become an issue. Plutonium is extremely dangerous and hard to detect over larger distances. The /spl alpha/-particles and X-rays which are emitted by plutonium isotopes could easily be shielded by the material itself or by surroundings. Besides a few /spl gamma/'s the only penetrating radiation emitted by plutonium samples are neutrons from spontaneous fission. Therefore the special neutron survey meter LB6414 with unrivalled sensitivity for fission neutrons has been newly designed.

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来源期刊

1998 IEEE Nuclear Science Symposium Conference Record. 1998 IEEE Nuclear Science Symposium and Medical Imaging Conference (Cat. No.98CH36255)

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