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Chinese Physics C> 1983, Vol. 7> Issue(6) : 674-680 

INVESTIGATION OF TIMING PROPERTIES OF DOMESTIC BGO SCINTILLATOR

  • Light pulse shape, number of photoelectrons per unit energy and obtainable time resolution were studied with BGO scintillator coupled to a XP2020 photomultiplier and compared with the similar measurements on NaI(T1) and ST401 plastic scintillator. The photoelectron yield of BGO was measured typically to be equal to 687/MeV by single photon method. The BGO scintillation decay curve was studied and we found that it could be resolved into two main lifetime components τ1=60ns, τ2=310ns with relative intensities I1=9%, I2=86% respectively. The time resolution of the system with start channel NE111-XP2020 and stop channel 7×11×12mm3 BGOXP2020 is obtained as FWHM=0.70ns at energy window E≥1MeV with 60Co source.
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    [1] M. Mosyzynski, C. Gresset. J. Vacher and R. Odru, Nucl. Instr. Methods.,188(1981), 403.[2] 何崇落、沈炳孚、苏伟堂、罗昌渠、汪祖康、陈嘉华, 医疗器械, 5(1981), 29.[3] G. A. Morton, Proc of the Irternational Conference on the Peaceful Usesof the Atomic Energy,V14(1956), 246.[4] M. Moszynshi, C. Gresset, J. Vacher and R. Odu, Nucl. Instr. Methods,179(1981), 271[5] 张天保、董玉兰, 核电子学与探测技术, V3, Nl(1983), 54.

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CHANG TIAN-BAO, TANG HSIAO-WEI and CHANG QIN. INVESTIGATION OF TIMING PROPERTIES OF DOMESTIC BGO SCINTILLATOR[J]. Chinese Physics C, 1983, 7(6): 674-680.
CHANG TIAN-BAO, TANG HSIAO-WEI and CHANG QIN. INVESTIGATION OF TIMING PROPERTIES OF DOMESTIC BGO SCINTILLATOR[J]. Chinese Physics C, 1983, 7(6): 674-680. shu
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Received: 1900-01-01
Revised: 1900-01-01
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INVESTIGATION OF TIMING PROPERTIES OF DOMESTIC BGO SCINTILLATOR

  • Received Date: 1900-01-01
  • Accepted Date: 1900-01-01
  • Available Online: 1983-12-05

Abstract: Light pulse shape, number of photoelectrons per unit energy and obtainable time resolution were studied with BGO scintillator coupled to a XP2020 photomultiplier and compared with the similar measurements on NaI(T1) and ST401 plastic scintillator. The photoelectron yield of BGO was measured typically to be equal to 687/MeV by single photon method. The BGO scintillation decay curve was studied and we found that it could be resolved into two main lifetime components τ1=60ns, τ2=310ns with relative intensities I1=9%, I2=86% respectively. The time resolution of the system with start channel NE111-XP2020 and stop channel 7×11×12mm3 BGOXP2020 is obtained as FWHM=0.70ns at energy window E≥1MeV with 60Co source.

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