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：

JOURNAL OF INSTRUMENTATION | 2017年 / 12卷

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

页数：7

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