First results of the Tritium Absorption InfraRed Spectroscopy (T2ApIR) experiment
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| Format: | Preprint |
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2025
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| author | Marsteller, Alexander Batzler, Dominic Bornschein, Beate Bornschein, Lutz Eckard, Elisabeth Hanß, Florian Kohpeiß, Joshua Kurz, Daniel Lietzow, Ralph Sturm, Michael Vrkic, Tin Welte, Stefan Größle, Robin |
| author_facet | Marsteller, Alexander Batzler, Dominic Bornschein, Beate Bornschein, Lutz Eckard, Elisabeth Hanß, Florian Kohpeiß, Joshua Kurz, Daniel Lietzow, Ralph Sturm, Michael Vrkic, Tin Welte, Stefan Größle, Robin |
| contents | The literature on experimentally verified material properties of tritium is sparse but information about this is crucial in fusion for pellet production (Magnetic Confined Fusion), target fueling (Inertial Confined Fusion), cryogenic distillation, as well as in astroparticle physics for neutrino experiments, and search for rare physics. To improve on this, the T$_2$ApIR experiment has been designed and built at the Tritium Laboratory Karlsruhe (TLK), and is in its scientific commissioning phase. The main focus of this experiment is to enable the investigation of the properties of all six hydrogen isotopologues and their mixtures in the gaseous, liquid, and solid phase, as well as the dynamics of their phase changes. In addition, mixtures with noble gases such as xenon and neon can be investigated. This is achieved using a cryogenic setup capable of reaching less than 10 in a measurement cell that allows optical access for infrared absorption spectroscopy, Raman spectroscopy and a polariscope setup, as well as temperature and pressure measurement. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2512_19757 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | First results of the Tritium Absorption InfraRed Spectroscopy (T2ApIR) experiment Marsteller, Alexander Batzler, Dominic Bornschein, Beate Bornschein, Lutz Eckard, Elisabeth Hanß, Florian Kohpeiß, Joshua Kurz, Daniel Lietzow, Ralph Sturm, Michael Vrkic, Tin Welte, Stefan Größle, Robin Instrumentation and Detectors Statistical Mechanics Atomic and Molecular Clusters Chemical Physics The literature on experimentally verified material properties of tritium is sparse but information about this is crucial in fusion for pellet production (Magnetic Confined Fusion), target fueling (Inertial Confined Fusion), cryogenic distillation, as well as in astroparticle physics for neutrino experiments, and search for rare physics. To improve on this, the T$_2$ApIR experiment has been designed and built at the Tritium Laboratory Karlsruhe (TLK), and is in its scientific commissioning phase. The main focus of this experiment is to enable the investigation of the properties of all six hydrogen isotopologues and their mixtures in the gaseous, liquid, and solid phase, as well as the dynamics of their phase changes. In addition, mixtures with noble gases such as xenon and neon can be investigated. This is achieved using a cryogenic setup capable of reaching less than 10 in a measurement cell that allows optical access for infrared absorption spectroscopy, Raman spectroscopy and a polariscope setup, as well as temperature and pressure measurement. |
| title | First results of the Tritium Absorption InfraRed Spectroscopy (T2ApIR) experiment |
| topic | Instrumentation and Detectors Statistical Mechanics Atomic and Molecular Clusters Chemical Physics |
| url | https://arxiv.org/abs/2512.19757 |