Developments for the Single-Molecule Fluorescence Imaging Technique Envisaged to Detect the Neutrinoless Double β-Decay Process

用于检测无中微子双β衰变过程的单分子荧光成像技术的发展

• 批准号: 503815023
• 负责人: Dr. Samuel Ayet San Andres, Ph.D.
• 金额: --
• 依托单位: Abteilung Kernphysik NUSTAR/ENNA
• 依托单位国家: 德国
• 项目类别: WBP Fellowship
• 资助国家: 德国
• 项目状态: 未结题
• 来源: https://gepris.dfg.de/gepris/projekt/503815023?language=en
• 关键词: Developments; Single; Molecule; Fluorescence; Imaging

The first and main objective of the project is the design and construct a low-intensity, low-energy, and pure doubly-charged radium beam generated from a 228Th source to demonstrate the sensitivity of the Single Molecule Fluorescence Imaging, a technique envisaged to detect the neutrinoless double beta decay in the NEXT experiment. This setup will also be used to analyze the composition of radioactive sources via a combination of mass selective elements and/or radioactivity detectors. A 228Th source will be produced via implantation of thermalized recoils from 232U in a low-pressure noble gas atmosphere and the products obtained will be compared to other 228Th sources produced via different methods. Another objective foreseen in the project is to understand and characterize the mobility of ions in RF Carpets which work under pressure conditions never reached before. The main design parameters of the RF Carpet which affect the mobility of the ions will be studied. This setup can also serve as a test bench for future experiments using RF Carpets at high pressures like NEXT and the FRS Ion Catcher. All the obtained results will be published in topic-related journals.

该项目的第一个和主要目标是设计和构建一个低强度、低能量、纯双电荷的镭光束，该光束由228Th源产生，以证明单分子荧光成像的灵敏度，这是一种设想用于检测NEXT实验中中微子双β衰变的技术。该装置还将用于通过质量选择元素和/或放射性探测器的组合来分析放射源的组成。通过在低压惰性气体气氛中注入232U的热化后坐力产生228Th源，并将获得的产品与通过不同方法产生的其他228Th源进行比较。该项目的另一个预期目标是了解和描述RF地毯中离子的迁移率，RF地毯在以前从未达到的压力条件下工作。研究了影响离子迁移率的主要设计参数。该装置还可以作为未来使用RF地毯在高压下（如NEXT和FRS离子捕集器）进行实验的试验台。所有获得的结果将在主题相关期刊上发表。