Plastic scintillation detectors for precision Time-of-Flight measurements of relativistic heavy ions

被引：0

作者：

林文健 ^{[1
]}

赵建伟 ^{[1
]}

孙保华 ^{[1
]}

何鎏春 ^{[1
]}

林炜平 ^{[2
]}

刘传业 ^{[1
]}

谷畑勇夫 ^{[1
]}

寺嶋知 ^{[1
]}

田怡 ^{[1
]}

王枫 ^{[1
]}

王萌 ^{[1
]}

张广鑫 ^{[1
]}

章学恒 ^{[2
]}

竺礼华 ^{[1
]}

段利敏 ^{[2
]}

胡荣江 ^{[2
]}

刘忠 ^{[2
]}

鲁辰桂 ^{[2
]}

任培培 ^{[2
]}

盛丽娜 ^{[2
]}

孙志宇 ^{[2
]}

王世陶 ^{[2
]}

王涛峰 ^{[1
]}

徐治国 ^{[2
]}

郑勇 ^{[2
]}

机构：

[1] School of Physics and Nuclear Energy Engineering, Beihang University

[2] Institute of Modern Physics, Chinese Academy of Sciences

来源：

Chinese Physics C | 2017年 / 06期

基金：

中国国家自然科学基金;

关键词：

plastic scintillator; Time-of-Flight; time resolution; walk effect correction;

D O I：

暂无

中图分类号：

TL812 [闪烁探测技术和仪器];

学科分类号：

摘要：

Plastic scintillation detectors for Time-of-Flight（TOF） measurements are almost essential for event-byevent identification of relativistic rare isotopes. In this work, a pair of plastic scintillation detectors of dimensions50×50×3;mm;and 80×100×3;mm;have been set up at the External Target Facility（ETF）, Institute of Modern Physics（IMP）. Their time, energy and position responses are measured with the;O primary beam at 400 Me V/nucleon. After off-line corrections for walk effect and position, the time resolutions of the two detectors are determined to be 27 ps（σ） and 36 ps（σ）, respectively. Both detectors have nearly the same energy resolution of3.1%（σ） and position resolution of about 3.4 mm（σ）. The detectors have been used successfully in nuclear reaction cross section measurements, and will be be employed for upgrading the RIBLL2 beam line at IMP as well as for the high energy branch at HIAF.

引用

页码：132 / 137

页数：6

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