陈映宣, 张南双, J. N. Frasar-Mitchell. BaF2、BGO、NaI、CsI复合晶体探测器高空γ本底水平[J]. 工程科学学报, 1992, 14(1): 102-106. DOI: 10.13374/j.issn1001-053x.1992.01.033
引用本文: 陈映宣, 张南双, J. N. Frasar-Mitchell. BaF2、BGO、NaI、CsI复合晶体探测器高空γ本底水平[J]. 工程科学学报, 1992, 14(1): 102-106. DOI: 10.13374/j.issn1001-053x.1992.01.033
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Chen Yingxuan, Zhang Nanshuang, J. N. Frasarmitchell. The γ Background Noise Level of BaF2,BGO CsI [T1] and NaI [T1] Complex Scintillator Detectors in Space Environment[J]. Chinese Journal of Engineering, 1992, 14(1): 102-106. DOI: 10.13374/j.issn1001-053x.1992.01.033
Citation: Chen Yingxuan, Zhang Nanshuang, J. N. Frasarmitchell. The γ Background Noise Level of BaF2,BGO CsI [T1] and NaI [T1] Complex Scintillator Detectors in Space Environment[J]. Chinese Journal of Engineering, 1992, 14(1): 102-106. DOI: 10.13374/j.issn1001-053x.1992.01.033
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BaF2、BGO、NaI、CsI复合晶体探测器高空γ本底水平

The γ Background Noise Level of BaF2,BGO CsI T1 and NaI T1 Complex Scintillator Detectors in Space Environment

    摘要
  • 摘要: 把4个直径5cm的复合晶体探测器(NaI/BaF2,NaI/BGO,NaI/CsI和NaI/NaI)用气球载至36km高空,观测了它们的本底水平。无论是在符合或反符合状态工作,4个复合晶体探测器主晶体的积分计数率基本一致。NaI/BGO探测器的计数率微分谱低于NaI/CsI和NaI/NaI探测器的相应值;NaI/BaF2探测器的符合计数率微分谱低于NaI/CsI和NaI/NaI,而反符合计数率微分谱不高于NaI/CsI和NaI/NaI的相应值。

     

    Abstract: In the paper designed four complex detectors and observed their background counting rates in balloon space environment. The primary crystal is Nal(Tl) scintillator of each complex detector. Its veto crystal is BaF2, BGO, CsI(Tl) and Nal (Tl) separately. The results shown that the integral background counting rates of four complex detectors in region of energy 30~350keV at altitu-de31~36km are near. There is no obvious difference each other on y background noise level in space environment. The differential counting rates of Nal/BGO and NaI/BaF2 detectors are lower than Nal/CsI and Nal/Nal detectors.

     

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