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大型液氮低温系统氡测量与抑制

16 Aug 2021, 15:50
15m
Oral report 5. 粒子物理实验技术 Parallel Session V:Particle Detector Technology

Speaker

Mr 任明杰 李 (四川大学)

Description

中国暗物质实验(CDEX)合作组计划在锦屏地下室二期开展百公斤量级的暗物质以及中微子实验探测,届时高纯锗阵列探测器将直接浸泡在约1700立方米大型液氮低温系统中。 液氮中的氡是可能的重要本底来源之一。本报告将汇报以下进展:1. 液闪级联探测器测量液氮中的氡含量;2. 低氡下的富集系统的研制;3. 低温下材料氡吸收以及氡迁移的研究。

Primary authors

Prof. Haoyang Xing (Sichuan University) Prof. Jingjun Zhu (Sichuan University) Prof. Shin-Ted Lin (Sichuan University) Mr Shukui Liu (Sichuan University) Mr 任明杰 李 (四川大学)

Presentation materials