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Operation modes of the KATRIN experiment Tritium Loop System using .sup.83m./sup.Kr
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SYSNO ASEP 0567961 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Operation modes of the KATRIN experiment Tritium Loop System using 83mKr Author(s) Marsteller, A. (DE)
Böttcher, M. (DE)
Bornschein, B. (DE)
Enomoto, S. (US)
Fengler, C. (DE)
Lebeda, Ondřej (UJF-V) RID, ORCID, SAI
Machatschek, M. (DE)
Priester, F. (DE)
Ráliš, Jan (UJF-V) SAI
Röllig, M. (DE)
Röttele, C. (DE)
Schlösser, M. (DE)
Šefčík, Michal (UJF-V) ORCID, SAI
Sturm, M. (DE)
Vénos, Drahoslav (UJF-V) RID, SAI, ORCIDNumber of authors 15 Article number P12010 Source Title Journal of Instrumentation. - : Institute of Physics Publishing - ISSN 1748-0221
Roč. 17, č. 12 (2022)Number of pages 23 s. Publication form Print - P Language eng - English Country GB - United Kingdom Keywords Detector alignment and calibration methods (lasers, sources, particle-beams) ; Gas systems and purification ; Plasma diagnostics - charged-particle spectroscopy OECD category Nuclear related engineering R&D Projects LTT19005 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Research Infrastructure CANAM II - 90056 - Ústav jaderné fyziky AV ČR, v. v. i. Method of publishing Open access Institutional support UJF-V - RVO:61389005 UT WOS 000912654400003 EID SCOPUS 85144497573 DOI 10.1088/1748-0221/17/12/P12010 Annotation The KArlsruhe TRItium Neutrino (KATRIN) experiment aims to search for the effective electron antineutrino mass with a sensitivity of 0.2 eV (90 % C.L.). In order to achieve this goal, KATRIN measurement phases focusing on the neutrino mass search are alternated with phases of investigations of systematic effects. During these phases, metastable 83mKr is used as a calibration source. The monoenergetic conversion electrons emitted accompanying the decay of 83mKr allow a direct access to the starting conditions of β-electrons produced inside the windowless gaseous tritium source (WGTS) of KATRIN. To make use of 83mKr in the WGTS, the Tritium Loop System, which provides a stable flow of tritium to the WGTS, needs to be operated in special modes. This paper focuses on the technical implementation of these modes and their performance with regard to the achievable 83mKr-rates, gas densities, and gas compositions inside the WGTS. Workplace Nuclear Physics Institute Contact Markéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228 Year of Publishing 2023 Electronic address https://doi.org/10.1088/1748-0221/17/12/P12010
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