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Performance of the time-of-flight detector for a measurement of free fall of antihydrogen at the GBAR experiment
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment ( IF 1.5 ) Pub Date : 2020-05-22 , DOI: 10.1016/j.nima.2020.164162 B.H. Kim , J.J. Choi , J.W. Hwang , S.K. Kim , Y. Ko , A. Lee , B.C. Lee , H. Lee , J. Lee , K.H. Park , D. Won
中文翻译：
飞行时间检测器在GBAR实验中测量抗氢自由下落的性能
更新日期：2020-05-22
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment ( IF 1.5 ) Pub Date : 2020-05-22 , DOI: 10.1016/j.nima.2020.164162 B.H. Kim , J.J. Choi , J.W. Hwang , S.K. Kim , Y. Ko , A. Lee , B.C. Lee , H. Lee , J. Lee , K.H. Park , D. Won
The GBAR experiment is designed to measure the free fall acceleration of antihydrogen atoms almost at rest. We have developed a time-of-flight (TOF) detector for the measurement of free fall time and annihilation position of antihydrogen atoms as well as for the rejection of cosmic ray muons. A scintillator array as a part of the TOF detector was installed and tested at the GBAR experimental hall. The performance of the TOF detector studied by cosmic ray muons is reported in this paper.
中文翻译：
飞行时间检测器在GBAR实验中测量抗氢自由下落的性能
GBAR实验旨在测量几乎静止时抗氢原子的自由下落加速度。我们已经开发了一种飞行时间（TOF）检测器，用于测量自由落体时间和抗氢原子的an灭位置，以及对宇宙射线μ子的排斥。作为TOF检测器一部分的闪烁体阵列已在GBAR实验厅安装并进行了测试。本文报道了由宇宙射线μ子研究的TOF探测器的性能。
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