TOF Measurement in RIBLL

Li Jiaxing; Zhan Wenlong; Guo Zhongyan; Sun Zhiyu; Xiao Guoqing; Wang Jinchuan; Meng Xiangwei; Jiang Shanhong; Qin Lijun; Zhang Wansheng; Wang Quanjin

Chinese Physics C> 1999, Vol. 23> Issue(3) : 231-236

TOF Measurement in RIBLL

Institute of Modern Physics, The Chinese Academy of Sciences, Lanzhou 730000

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Abstract：
In this paper we present a timing pickup detector used at Radioactive Ion Beam Line in Lanzhou (RIBLL). It has low detection threshold and is radiation-resistant. The photons induced by radioactive beam ions passing through a thin plastic-scintillator foil, east from the foil center corresponding to one focus point of a aluminum ellipsoidal mirror and are reflected to another focus point at which the cathode of a photomultiplier tube locates. The readout pulse signals were sent into a CAMAC's TDC module. A time resolution of about 140ps is achieved and the counting face up to 10⁸pps is allowed.

References

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Anne R, Bazin D,Muller A C et al,Nucl.Instr.Meth,1987,A257:2152 Sherrill B M Morrissey D J, Nolen J A et al. Nucl Instr Meth, 1992, B70:2983 Kubo T,Ishihara M Inabe N et al. NucL Instr Meth, 1992, B70:3094 Geissel H, Ambruster P Behr K H et al. Nucl. Instr Meth, 1992, B70:286 5 Goldhaber A S.Phys.Lett,1974, B53:306 6 Zhao Youxiong,Zhan Wenlong,Guo Zhongyan et al . NucL Instr, Meth., 1995, A355:464

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Li Jiaxing, Zhan Wenlong, Guo Zhongyan, Sun Zhiyu, Xiao Guoqing, Wang Jinchuan, Meng Xiangwei, Jiang Shanhong, Qin Lijun, Zhang Wansheng and Wang Quanjin. TOF Measurement in RIBLL[J]. Chinese Physics C, 1999, 23(3): 231-236.

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Received: 1998-02-24
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

TOF Measurement in RIBLL

Corresponding author: Li Jiaxing,

Institute of Modern Physics, The Chinese Academy of Sciences, Lanzhou 730000

Received Date: 1998-02-24
Accepted Date: 1900-01-01
Available Online: 1999-03-05

Abstract: In this paper we present a timing pickup detector used at Radioactive Ion Beam Line in Lanzhou (RIBLL). It has low detection threshold and is radiation-resistant. The photons induced by radioactive beam ions passing through a thin plastic-scintillator foil, east from the foil center corresponding to one focus point of a aluminum ellipsoidal mirror and are reflected to another focus point at which the cathode of a photomultiplier tube locates. The readout pulse signals were sent into a CAMAC's TDC module. A time resolution of about 140ps is achieved and the counting face up to 10⁸pps is allowed.