报告介绍: |
摘要:
The XENONnT experiment, located in Laboratori Nazionali del Gran Sasso, is a dark matter direct detection experiment utilizing a dual-phase time projection chamber with 8.5 tonne xenon in total. The experiment started science data taking since 2021 and is current under operation. In the first science run, it has achieved the lowest electronic recoil background in a dark matter detector of 15.8 events/(t y keV) below 30 keVee by reducing the radioactive Kr-85 and Rn-222 to an unprecedented low level. In this talk, I will present the first two results from XENONnT, in particular the recent WIMP search result, as well as future plans for the experiment.
报告人简介:
叶靖强,哥伦比亚大学物理系博士后研究员。2014年于浙江大学物理系获得理学学士学位,2020年从加州大学圣地亚哥分校物理系获得物理学博士学位,随后在哥伦比亚大学物理系任博士后研究员至今,将于2024年1月入职香港中文大学(深圳)理工学院,担任助理教授。长期从事极深地下实验室的直接探测研究,依托位于意大利的Gran Sasso实验室的XENON系列实验在暗物质和中微子研究以及其他新物理现象探索作出重要成果。现担任XENON国际合作组分析总协调人,全面负责XENONnT实验的物理分析。 |