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arxiv: 2203.08059 · v3 · pith:2P7I63YInew · submitted 2022-03-15 · ⚛️ nucl-ex · astro-ph.CO· hep-ex· physics.ins-det

KATRIN: Status and Prospects for the Neutrino Mass and Beyond

M. Aker , M. Balzer , D. Batzler , A. Beglarian , J. Behrens , A. Berlev , U. Besserer , M. Biassoni
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B. Bieringer F. Block S. Bobien L. Bombelli D. Bormann B. Bornschein L. Bornschein M. B\"ottcher C. Brofferio C. Bruch T. Brunst T. S. Caldwell M. Carminati R. M. D. Carney S. Chilingaryan W. Choi O. Cremonesi K. Debowski M. Descher D. D\'iaz Barrero P. J. Doe O. Dragoun G. Drexlin F. Edzards K. Eitel E. Ellinger R. Engel S. Enomoto A. Felden D. Fink C. Fiorini J. A. Formaggio C. Forstner F. M. Fr\"ankle G. B. Franklin F. Friedel A. Fulst K. Gauda A. S. Gavin W. Gil F. Gl\"uck A. Grande R. Gr\"ossle M. Gugiatti R. Gumbsheimer V. Hannen J. Hartmann N. Hau{\ss}mann K. Helbing S. Hickford R. Hiller D. Hillesheimer D. Hinz T. H\"ohn T. Houdy A. Huber A. Jansen C. Karl J. Kellerer P. King M. Kleifges M. Klein C. K\"ohler L. K\"ollenberger A. Kopmann M. Korzeczek A. Koval\'ik B. Krasch H. Krause T. Lasserre L. La Cascio O. Lebeda P. Lechner B. Lehnert T. L. Le A. Lokhov M. Machatschek E. Malcherek D. Manfrin M. Mark A. Marsteller E. L. Martin E. Mazzola C. Melzer S. Mertens J. Mostafa K. M\"uller A. Nava H. Neumann S. Niemes P. Oelpmann A. Onillon D. S. Parno M. Pavan A. Pigliafreddo A. W. P. Poon J. M. L. Poyato S. Pozzi F. Priester M. Puritscher D. C. Radford J. R\'ali\v{s} S. Ramachandran R. G. H. Robertson W. Rodejohann C. Rodenbeck M. R\"ollig C. R\"ottele M. Ry\v{s}av\'y R. Sack A. Saenz R. W. J. Salomon P. Sch\"afer L. Schimpf K. Schl\"osser M. Schl\"osser L. Schl\"uter S. Schneidewind M. Schrank A. K. Sch\"utz A. Schwemmer A. Sedlak M. \v{S}ef\v{c}\'ik V. Sibille D. Siegmann M. Slez\'ak F. Spanier D. Spreng M. Steidl M. Sturm H. H. Telle L. A. Thorne T. Th\"ummler N. Titov I. Tkachev P. Trigilio K. Urban K. Valerius D. V\'enos A. P. Vizcaya Hern\'andez P. Voigt C. Weinheimer E. Weiss S. Welte J. Wendel C. Wiesinger J. F. Wilkerson J. Wolf L. Wunderl S. W\"ustling J. Wydra W. Xu S. Zadoroghny G. Zeller
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classification ⚛️ nucl-ex astro-ph.COhep-exphysics.ins-det
keywords katrinneutrinomasssensitivityexperimentfirstotherprospects
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The Karlsruhe Tritium Neutrino (KATRIN) experiment is designed to measure a high-precision integral spectrum of the endpoint region of T2 beta 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.

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