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;

下载到本地 , 更方便阅读

下载此文赞助VIP

声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架

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%.

其他文献

A generalized approach for protein design based on the relative entropy

In the present study, we have developed the method brought forward recently for protein design based on the relative entropy. The new approach can be used in mo

期刊

protein designrelative entropyoff-lattice model

Non-Fourier Heat Conduction Effects During High-Energy Beam Metalworking

Non-Fourier heat conduction induced by ultrafast heating of metals with a high-energy density beam was analyzed. The non-Fourier effects during high heat flux

期刊

non-Fourier effectshigh-energy density beamultrafast transient heat conduction

Effect of Ne Glow Discharge on Ion Density Control in LHD

Neon glow discharge cleaning was firstly attempted in Large Helical Device (LHD) instead of He glow discharge to remove hydrogen neutrals and to control the ion

期刊

hydrogen recyclingNe glow dischargeion density

靶上束流性能和束流传输系统参数间的关系

为了在靶上得到一定尺寸并对称分布的束流,束流传输系统应该满足一些条件.本文分析了不同初始条件下,传输系统应该满足的条件.

期刊

束流性能正四极透镜斜四极透镜传输矩阵矩阵元成像

TC2模型与轻子味破坏过程li→ljνl(ν-)l

许多超出标准模型的新物理预言了非普适规范玻色子Z′的存在.此粒子可产生许多新物理现象.本文计算了顶色辅助的人工色(TC2)模型预言的非普适规范玻色子Z′对轻子味破坏(LFV)

期刊

非普适规范玻色子Z′TC2模型轻子味破坏衰变分支比

Study on an Atmospheric Pressure Plasma Jet and its Application in Etching Photo-Resistant Materials

An atmospheric pressure radio-frequency plasma jet that can eject cold plasma has been developed. In this paper, the configuration of this type of plasma jet is

期刊

atmospheric pressureradio-frequencyplasma jetcharacteristics

Pulse electrodecontamination of the surface of steel

Electrochemical decontamination is a new technology for removing heavy metal from the surface of conductor. The optimum parameters are explored by studying the

期刊

UraniumSurfaceDecontaminationElectrochemistry

Investigations of Tracking Phenomena in Silicone Rubber Using Moving Average Current Technique

In the present work, tracking phenomenon in Silicone rubber material has been studied under AC and DC voltage, with ammonium chloride as a contaminant. It is ob

期刊

dischargespolymerssilicone rubbertrackingmoving average techniqueleakage cu

Multiple solutions for a class of nonlinear elliptic equations on the Sierpi(n)ski gasket

This paper investigates a class of nonlinear elliptic equations on a fractal domain. We establish a strong Sobolev-type inequality which leads to the existence

期刊

Sierpinski gasketenergy formLaplacian operatoreigenvalue problemgenusweak s

新型太阳中微子闪烁探测器的研制

与本文相关的学术论文