Superfluid 3He dark matter detector

在这个项目中，Tineke Salmon女士将作为兰开斯特大学物理系QUEST-DMC团队的一员工作。这项工作将在超低温实验室进行，与她的监督团队和超低温小组的其他成员合作。Tineke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。正式的绩效评估，包括未来培训需求和完成进度的讨论，将根据兰开斯特大学为博士生提供的计划进行。QUEST DMC是兰开斯特、皇家霍洛威、苏塞克斯和牛津大学之间的四所大学合作，使用量子增强超流3 He作为暗物质探测器，由EPSRC和STFC共同资助。Tineke将制造和使用超导纳米机械谐振器，结合项目合作者提供的量子放大器，在超低温下建造超流3 He测辐射热计。测试和建设阶段将需要6个月至12个月。最终目标是通过记录它们与超流体的相互作用来探测亚GeV/c^2质量范围内的潜在暗物质粒子。在这个阶段，Salmon女士将使用定制的兰开斯特核退磁冰箱在超低温下暴露数月的主要超流体3 He实验中操作和分析数据。实验工作将由一个由兰开斯特和RHUL组成的团队在理论上支持，他们将建立一个实验的粒子物理模拟。这项工作将同时有助于超流3 He的基础研究，旨在探索超流的微观结构。

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.