KATRIN: status and prospects for the neutrino mass and beyond

The Karlsruhe Tritium Neutrino (KATRIN) experiment is designed to measure a high-precision integral spectrum of the endpoint region of T 2 β decay, with the primary goal of probing the absolute mass scale of the neutrino. After a first tritium commissioning campaign in 2018, the experiment has been...

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Veröffentlicht in:	J.Phys.G 2022-09, Vol.49 (10), p.100501
Hauptverfasser:	Aker, M, Balzer, M, Batzler, D, Beglarian, A, Berlev, A, Besserer, U, Bieringer, B, Block, F, Bobien, S, Bombelli, L, Bornschein, L, Chilingaryan, S, Choi, W, Cremonesi, O, Debowski, K, Díaz Barrero, D, Doe, P J, Dragoun, O, Drexlin, G, Edzards, F, Eitel, K, Ellinger, E, Enomoto, S, Felden, A, Fiorini, C, Fränkle, F M, Franklin, G B, Friedel, F, Fulst, A, Gavin, A S, Glück, F, Grande, A, Gugiatti, M, Gumbsheimer, R, Hannen, V, Helbing, K, Hillesheimer, D, Höhn, T, Houdy, T, Jansen, A, Kellerer, J, King, P, Kleifges, M, Klein, M, Köllenberger, L, Kopmann, A, Korzeczek, M, Krasch, B, Krause, H, Lebeda, O, Lechner, P, Lokhov, A, Malcherek, E, Manfrin, D, Mark, M, Marsteller, A, Martin, E L, Mazzola, E, Melzer, C, Mertens, S, Mostafa, J, Müller, K, Neumann, H, Niemes, S, Oelpmann, P, Parno, D S, Pavan, M, Pigliafreddo, A, Priester, F, Radford, D C, Robertson, R G H, Rodejohann, W, Rodenbeck, C, Röllig, M, Ryšavý, M, Schäfer, P, Schimpf, L, Schneidewind, S, Schrank, M, Schwemmer, A, Šefčík, M, Sibille, V, Spanier, F, Spreng, D, Thorne, L A, Thümmler, T, Titov, N, Trigilio, P, Urban, K, Voigt, P, Weinheimer, C, Weiss, E, Welte, S, Wiesinger, C, Wilkerson, J F, Wolf, J, Wunderl, L, Wüstling, S, Xu, W, Zadoroghny, S
Format:	Artikel
Sprache:	eng
Schlagworte:	Astrophysics beyond standard model High Energy Physics - Experiment Instrumentation and Detectors krypton neutrino neutrino mass neutrino mass, tritium, sterile neutrinos Nuclear Experiment NUCLEAR PHYSICS AND RADIATION PHYSICS Physics PHYSICS OF ELEMENTARY PARTICLES AND FIELDS sterile neutrino tritium beta decay
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Beschreibung
Zusammenfassung:	The Karlsruhe Tritium Neutrino (KATRIN) experiment is designed to measure a high-precision integral spectrum of the endpoint region of T 2 β decay, with the primary goal of probing the absolute mass scale of the neutrino. After a first tritium commissioning campaign in 2018, the experiment has been regularly running since 2019, and in its first two measurement campaigns has already achieved a sub-eV sensitivity. After 1000 days of data-taking, KATRIN’s design sensitivity is 0.2 eV at the 90% confidence level. In this white paper we describe the current status of KATRIN; explore prospects for measuring the neutrino mass and other physics observables, including sterile neutrinos and other beyond-Standard-Model hypotheses; and discuss research-and-development projects that may further improve the KATRIN sensitivity.
ISSN:	0954-3899 1361-6471
DOI:	10.1088/1361-6471/ac834e