The PANDA Barrel-TOF Detector at FAIR

被引:3
|
作者
Zimmermann, S. [1 ,6 ]
Suzuki, K. [1 ]
Steinschaden, D. [1 ]
Chirita, M. [1 ]
Ahmed, G. [2 ]
Dutta, K. [3 ]
Kalita, K. [3 ]
Lehmann, A. [4 ]
Boehm, M. [4 ]
Schwarz, K. [5 ]
Orth, H. [5 ]
Brinkmann, K. -Th. [6 ]
机构
[1] Stefan Meyer Inst, Vienna, Austria
[2] Al Azhar Univ, Cairo, Egypt
[3] Gauhati Univ, Gauhati, India
[4] Friedrich Alexander Univ, Erlangen, Germany
[5] GSI Helmholtzzentrum Schwerionenforsch, Darmstadt, Germany
[6] Justus Liebig Univ, Giessen, Germany
来源
关键词
Instrumentation and methods for time-of-flight (TOF) spectroscopy; Particle identification methods; Scintillators and scintillating fibres and light guides;
D O I
10.1088/1748-0221/12/08/C08017
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
The barrel-Time-of-Flight subdetector is one of the outer layers of the multi-layer design of the PANDA target spectrometer. It is designed with a minimal material budget in mind mainly consisting of 90x 30 x 5mm(3) thin plastic scintillator tiles read out on each end by a serial connection of 4 SiPMs. 120 such tiles are placed on 16 2460 x 180mm(2) PCB boards forming a barrel covering an azimuthal angle from 22.5 degrees to 150 degrees. The detector is designed to achieve a time resolution below sigma < 100 ps which allows to distinguish events in the constant stream of hits, as well as particle identification below the Cherenkov threshold via the time-of-flight; simultaneously providing the interaction times of events. The current prototype achieved a time resolution of similar to 54 ps, well below the design goal.
引用
收藏
页数:7
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