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20英寸MCP-PMT的磁屏蔽设计

Aug 11, 2022, 9:45 AM
15m
Oral report 粒子物理实验技术 Parallel Session VII (5):Particle Detector Technology

Speaker

游晓浩

Description

一种新研制的具有良好时间响应的国产20英寸光电倍增管采用微通道板替代传统的倍增打拿级。我们使用了包裹在薄的PET中的高磁导率铁基非晶材料柔性薄片保护光电倍增管免受地磁场的影响。水切伦科夫探测器阵列中的数据分析结果表明,采用磁屏蔽后,探测效率平均提高了87%;并且时间谱中来自于MCP基板上产生的二次电子的成分,相对于无磁屏蔽的情况下减少了50%。

Primary author

Co-authors

Mr bo gao (IHEP) Prof. 明君 陈 (IHEP)

Presentation materials