INVESTIGATION OF TIMING PROPERTIES OF DOMESTIC BGO SCINTILLATOR

CHANG TIAN-BAO; TANG HSIAO-WEI; CHANG QIN

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

INVESTIGATION OF TIMING PROPERTIES OF DOMESTIC BGO SCINTILLATOR

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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.

References

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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
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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

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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INVESTIGATION OF TIMING PROPERTIES OF DOMESTIC BGO SCINTILLATOR

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