Reaching time resolution of less than 10 ps with plastic scintillation detectors

被引：21

作者：

Zhao, J. W. ^{[1
]}

Sun, B. H. ^{[1
,2
]}

Tanihata, I. ^{[1
,2
]}

Terashima, S. ^{[1
,2
]}

Zhu, L. H. ^{[1
,2
]}

Enomoto, A. ^{[3
]}

Nagae, D. ^{[4
]}

Nishimura, T. ^{[3
]}

Omika, S. ^{[3
]}

Ozawa, A. ^{[5
]}

Takeuchi, Y. ^{[3
]}

Yamaguchi, T. ^{[3
]}

机构：

[1] Beihang Univ, Sch Phys & Nucl Energy Engn, Beijing 100191, Peoples R China

[2] Beihang Univ, Int Res Ctr Nuclei & Particles Cosmos, Beijing 100191, Peoples R China

[3] Saitama Univ, Dept Phys, Saitama 3388570, Japan

[4] RIKEN, Nishina Ctr, 2-1 Hirosawa, Wako, Saitama 3510198, Japan

[5] Univ Tsukuba, Inst Phys, Ibaraki 3058571, Japan

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2016年 / 823卷

基金：

中国国家自然科学基金;

关键词：

Plastic scintillator; Heavy ion; Time-of-flight; Fast timing; Time resolution; Time- walk effect; PICOSECOND RESOLUTION; BEAM; COUNTERS;

D O I：

10.1016/j.nima.2016.03.106

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Timing-pick up detectors with excellent timing resolutions are essential in many modern nuclear physics experiments. Aiming to develop a Time-Of-Flight system with precision down to about 10 ps, we have made a systematic study of the timing characteristic of TOF detectors, which consist of several combinations of plastic scintillators and photomultiplier tubes. With the conventional electronics, the best timing resolution of about 5.1 ps (sigma) has been achieved for detectors with an area size of 3 x 1 cm(2). It is found that for data digitalization a combination of TAC and ADC can achieve a better time resolution than the currently available TDC. Simultaneous measurements of both time and pulse height are very valuable for the correction of time-walk effect. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：41 / 46

页数：6

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