A study of time over threshold (TOT) technique for plastic scintillator counter

WU Jin-Jie; HENG Yue-Kun; SUN Zhi-Jia; WU Chong; ZHAO Yu-Da; YANG Gui-An; JIANG Chun-Hua

doi:10.1088/1674-1137/32/3/005

Chinese Physics C> 2008, Vol. 32> Issue(3) : 186-190 DOI: 10.1088/1674-1137/32/3/005

A study of time over threshold (TOT) technique for plastic scintillator counter

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Abstract：
A new charge measurement method, time over threshold (TOT), has been used in some gas detectors lately. Here TOT is studied for TOF system, made of plastic scintillator counter, which can simplify the electronics of the system. The signal characteristics are measured and analyzed with a high quality oscilloscope, including noise, pedestal, signal amplitude, total charge, rise time and the correlation between them. The TOT and charge are related and can be fitted by some empirical formula. The charge measurement resolution by TOT is given and this will help the design of TOF electronics.

References

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. ALICE Collaboration. Addendum to the Technical Design Report of the Time of Flight System, 2002. 20-252. Anghinolfi F et al. Nucl. Instrum. Methods A, 2004, 533(1-2): 183-1873. Schambach J et al. Proposed STAR Time of Flight Readout Electronics and DAQ, Proceedings of Computing in High Energy and Nuclear Physics Conference, 20034. Bebek C et al. Time over threshold technique for a drift chamber readout system, Proceedings of 5th Annual LeCroy Conference on Electronics for Particle Physics Conference, 1995

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WU Jin-Jie, HENG Yue-Kun, SUN Zhi-Jia, WU Chong, ZHAO Yu-Da, YANG Gui-An and JIANG Chun-Hua. A study of time over threshold (TOT) technique for plastic scintillator counter[J]. Chinese Physics C, 2008, 32(3): 186-190. doi: 10.1088/1674-1137/32/3/005

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Received: 2007-05-16
Revised: 2007-07-10

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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

A study of time over threshold (TOT) technique for plastic scintillator counter

Corresponding author: WU Jin-Jie,

Received Date: 2007-05-16

Accepted Date: 2007-07-10

Available Online: 2008-03-05

Abstract:

A new charge measurement method, time over threshold (TOT), has been used in some gas detectors lately. Here TOT is studied for TOF system, made of plastic scintillator counter, which can simplify the electronics of the system. The signal characteristics are measured and analyzed with a high quality oscilloscope, including noise, pedestal, signal amplitude, total charge, rise time and the correlation between them. The TOT and charge are related and can be fitted by some empirical formula. The charge measurement resolution by TOT is given and this will help the design of TOF electronics.

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A study of time over threshold (TOT) technique for plastic scintillator counter

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