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1. 发明授权

US06621884B2 Method of monitoring neutron sensitivity of neutron detector 有权
标题翻译：监测中子探测器中子灵敏度的方法
公开(公告)号：US06621884B2
公开(公告)日：2003-09-16
申请号：US09849346
申请日：2001-05-07
申请人： Masato Shibazaki , Yutaka Tanaka , Shigehiro Kono , Atsushi Kimura
发明人： Masato Shibazaki , Yutaka Tanaka , Shigehiro Kono , Atsushi Kimura
IPC分类号： G01T100
CPC分类号： G01T1/185 , G01T3/00
摘要： Disclosed is a method of monitoring the neutron sensitivity of a neutron detector. Voltage having a predetermined potential difference is applied between an anode and a cathode without irradiating the neutron detector with neutrons to permit an &agr;-ray to be emitted from the nuclear fission substance. The &agr;-ray ionizes the ionizing gas to form an &agr;-ray current (I&agr;) flowing between the anode and the cathode. The current (I&agr;) thus formed is monitored. Also, with the monitoring region in which the applied voltage and the &agr;-ray current (I&agr;) bear a substantially proportional relationship, obtained is an extrapolated zero-volt &agr;-ray current (I&agr;0) at 0V of the applied voltage between the anode and the cathode from the proportional relationship by an extrapolating method, and the extrapolated zero-volt &agr;-ray current (I&agr;0) is correlated with the neutron sensitivity.
摘要翻译：公开了一种监测中子探测器的中子灵敏度的方法。在阳极和阴极之间施加具有预定电位差的电压，而不用中子照射中子检测器以允许从核裂变物质发射α射线。 α射线电离电离气体，形成在阳极和阴极之间流动的α射线电流（Ialpha）。监测如此形成的电流（Ialpha）。此外，随着其中施加的电压和α射线电流（Ialpha）具有基本上成比例的关系的监测区域，获得的阳极和/或阳极之间的施加电压的0V处的外推零伏特α射线电流（Ialpha0）通过外推法的比例关系阴极和外推的零伏特α射线电流（Ialpha0）与中子灵敏度相关。

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