Electromagnetic calorimeters based on scintillating lead tungstate crystals for experiments at Jefferson Lab

Electromagnetic calorimeters based on scintillating lead tungstate crystals for experiments at Jefferson Lab
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基于闪烁钨酸铅晶体的电磁量热仪,用于杰斐逊实验室的实验

DOI:
10.1016/j.nima.2021.165683
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发表时间:
2021
期刊:
Detectors and Associated Equipment
影响因子:
--
通讯作者:
Horn, T.
Horn, T.
中科院分区:
--
文献类型:
--
作者:
Asaturyan, A.;Barbosa, F.;Berdnikov, V.;Chudakov, E.;Crafts, J.;Egiyan, H.;Gan, L.;Gasparian, A.;Harding, K.;Horn, T.

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为Jefferson实验室的PrimEx-η实验研制了一台由140个钨酸铅(PbWO 4)晶体组成的新型电磁量能器。量热计被集成到GSTX探测器的数据采集和触发系统中,并在实验中用于重建康普顿散射事件。该实验于2019年春季开始收集数据,并获得了约30%的所需统计数据。该量热计是两个PbWO 4基探测器的原型:中性粒子谱仪(Neutral Particle Spectrometer,缩写为PEST)和GSTX探测器前向量热计(Forward Calorimeter,缩写为FCAL)的钨酸铅插入物。本文介绍了康普顿量热计的设计和性能,并简要概述了FCAL和FCAL项目。
A new electromagnetic calorimeter consisting of 140 lead tungstate (PbWO 4) scintillating crystals was constructed for the PrimEx-η experiment at Jefferson lab. The calorimeter was integrated into the data acquisition and trigger systems of the GlueX detector and used in the experiment to reconstruct Compton scattering events. The experiment started collecting data in the spring of 2019 and acquired about 30% of the required statistics. The calorimeter is a prototype for two PbWO 4-based detectors: the Neutral Particle Spectrometer (NPS) and the lead tungstate insert of the Forward CALorimeter (FCAL) of the GlueX detector. The article presents the design and performance of the Compton calorimeter and gives a brief overview of the FCAL and NPS projects.
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DOI: --
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