中国计量大学学报

2014, 02,

快速闪烁晶体在未来高能物理实验中的应用

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摘要：

简要综述了快速闪烁晶体在未来高能物理实验中的应用和目前研究进展.在未来高亮度强子对撞机（HLLHC）上通过采用高亮度、快速和高抗辐照强度的LYSO晶体为CMS的量能器升级,可以建成具有良好E/γ能量分辨率的稳定的精密电磁量能器.通过读取PbF2,PbFCl和BSO晶体中的切伦科夫光和闪烁光,可以为未来的轻子对撞机建立具有良好的喷注能量分辨率的均匀强子量能器.有亚纳秒衰变时间的BaF2晶体将为未来的高能物理强度前沿实验建立在速率及时间分辨率提高超过10倍的晶体量热器.对新型快闪烁晶体如PbFCl,YAP:Yb,ZnO:Ga和CuI的研究可能为今后高能物理实验发挥重要作用.

关键词： 闪烁晶体; 高能物理; 量能器; 杭辐射;

Abstract：

The significance of fast crystal scintillators in future high energy physics(HEP) experiments was reviewed. Precision ECAL with good e/γ resolution may be built for the proposed CMS forward calorimeter upgrade at the HLLHC by using blight, fast and rad hard LYSO crystals. A homogeneous hadron calorimeter with good jet mass resolution may be built for future lepton colliders by reading both Cherenkov and scintillation light in PbF2, PbFCl or BSO. Crystal calorimeters with more than ten times faster rate/timing capability may be built for future HEP experiments at the intensity frontier by using the subns decay time of BaF2. Investigations on novel fast crystal scintillators, such as PbFCl, YAP:Yb, ZnO:Ga and CuI etc., may play an important role for future HEP experiments.

KeyWords： crystal scintillators; HEP; crystal calorimeters; radiation hardness;

参考文献

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[1]朱人元.快速闪烁晶体在未来高能物理实验中的应用[J],2014(02).

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