| 期刊全称 | Accurate Calibration of Raman Systems | | 期刊简称 | At the Karlsruhe Tri | | 影响因子2023 | Magnus Schlösser | | 视频video | | | 发行地址 | Nominated as an outstanding Ph.D. thesis by Karlsruhe Institute of Technology, Germany.Demonstrates how the tritium source composition of a neutrino mass experiment can be accurately measured by Raman | | 学科分类 | Springer Theses | | 图书封面 |  | | 影响因子 | Neutrinos can arguably be labeled as the most fascinating elementary particles known as their small but non-zero rest mass points to new mass generating mechanisms beyond the Standard Model, and also assigns primordial neutrinos from the Big Bang a distinct role in shaping the evolution of large-scale structures in the universe. The open question of the absolute neutrino mass scale will be addressed by the Karlsruhe Tritium Neutrino (KATRIN) experiment, currently under construction..This thesis reports major contributions to developing and implementing new laser-spectroscopic precision tools to continuously monitor the isotope content of the windowless gaseous tritium source of KATRIN. The method of choice, Raman spectroscopy, is ideally suited for in-situ monitoring of all six hydrogen isotopologues. In a series of beautiful experiments the author obtained two independent novel calibration methods, first based on a comparison of experimental Raman depolarization ratios with corresponding quantum-chemical calculations, and second on a gas sampling technique. Both methods yield consistent cross-calibration results and, as well as yielding improvements in precision, will be of major | | Pindex | Book 2014 |
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发表于 2025-3-21 19:34:28
