新型太阳中微子闪烁探测器的研制

来源 :高能物理与核物理 | 被引量 : 0次 | 上传用户：zhut2009

【摘要】

：

概述了一种新型太阳中微子闪烁探测器的研制,其中载钆(Gd)液体闪烁体的Gd浓度达到5%、光的衰减长度≥150cm、对60keV的Gamma-ray之能量分辨率为21%(σ);直径1cm、厚3cm的GSO:

【作者】

：

戴长江何会林叶子飘盛祥东

【机构】

：

中国科学院高能物理研究所粒子天体物理中心

【出处】

：

高能物理与核物理

【发表日期】

：

2004年期

【关键词】

：

太阳中微子探测器复合探测器载钆液体闪烁体 GSO晶体

【基金项目】

：

国家自然科学基金;

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论文部分内容阅读

概述了一种新型太阳中微子闪烁探测器的研制,其中载钆(Gd)液体闪烁体的Gd浓度达到5%、光的衰减长度≥150cm、对60keV的Gamma-ray之能量分辨率为21%(σ);直径1cm、厚3cm的GSO:Ce晶体,其发光产额约为NaI(Tl)晶体的20%、光的衰减时间为60ns、对662keV Gamma-ray之能量分辨率为9.2%(σ).文章讨论了由这两种闪烁体构成的复合探测器的特点及作为太阳中微子探测器其本底的降低措施.对直径10cm、厚50cm的这种复合探测器的模拟计算表明其光的收集效率可达20%.

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新型太阳中微子闪烁探测器的研制

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