Superfluid 3He dark matter detector

超流3He暗物质探测器

• 批准号: 2731188
• 金额: --
• 依托单位: Lancaster University
• 依托单位国家: 英国
• 项目类别: Studentship
• 财政年份: 2022
• 资助国家: 英国
• 起止时间: 2022 至 无数据
• 项目状态: 未结题
• 来源: https://gtr.ukri.org/projects?ref=studentship-2731188
• 关键词: Superfluid; 3He; dark; matter; detector

In this project, Ms. Tineke Salmon will work as a member of the QUEST-DMC team at the Department of Physics, Lancaster University. The work will be carried out in the Ultra-Low Temperature (ULT) Laboratory, working with her supervisory team and other members of the ULT group. Tineke will interact daily with members of the team, receiving daily informal training, instruction and feedback. She will take an active role in more formal group meetings on a weekly basis as well as dedicated personal supervision. Formal performance review, including discussion of future training needs and progress towards completion, will be carried out according to the program set by Lancaster University's provision for PhD students.QUEST DMC is a four-university collaboration between Lancaster, Royal Holloway, Sussex, and Oxford using Quantum Enhanced Superfluid 3He as a Dark Matter detector, jointly funded by EPSRC and STFC. Tineke will fabricate and use superconducting nanomechanical resonators, combined with quantum amplifiers provided by project collaborators, to build a superfluid 3He bolometer at ultra-low temperatures. The testing and construction phase will take 6 months to 12 months. The final aim is to detect potential dark matter particles in the sub-GeV/c^2 mass range by recording their interactions with the superfluid. In this phase Ms. Salmon will be operating and analysing data from a major superfluid 3He experiment with several months of exposure time at ultra-low temperatures using a custom-made Lancaster nuclear demagnetisation refrigerator. The experimental work will be supported theoretically by a team of Lancaster and RHUL based people building a particle-physics simulation of the experiment. This work will simultaneously contribute towards fundamental studies of superfluid 3He, aimed at exploring the microstructure of the superfluid.

在这个项目中，Tineke Salmon 女士将作为兰卡斯特大学物理系 QUEST-DMC 团队的成员。这项工作将在超低温 (ULT) 实验室进行，与她的监督团队和 ULT 小组的其他成员合作。蒂内克将每天与团队成员互动，接受日常非正式培训、指导和反馈。她将在每周更正式的小组会议中发挥积极作用，并进行专门的个人监督。正式的绩效审查，包括对未来培训需求和完成进度的讨论，将根据兰卡斯特大学为博士生规定的计划进行。QUEST DMC 是兰卡斯特大学、皇家霍洛威学院、苏塞克斯大学和牛津大学四所大学之间的合作项目使用量子增强超流体 3He 作为暗物质探测器，由 EPSRC 和 STFC 联合资助。 Tineke 将制造并使用超导纳米机械谐振器，与项目合作者提供的量子放大器相结合，在超低温下构建超流体 3He 辐射热测量计。测试和建设阶段将持续6个月至12个月。最终目标是通过记录亚 GeV/c^2 质量范围内的潜在暗物质粒子与超流体的相互作用来检测它们。在此阶段，Salmon 女士将使用定制的兰开斯特核消磁冰箱来操作和分析一项大型超流体 3He 实验的数据，该实验在超低温下暴露了几个月。该实验工作将得到兰卡斯特和 RHUL 团队的理论支持，该团队将构建实验的粒子物理模拟。这项工作将同时有助于超流体3He的基础研究，旨在探索超流体的微观结构。