DOE OSTI · 3001836
First Constraints on General Neutrino Interactions Based on KATRIN Data
Abstract
The precision measurement of the tritium β-decay spectrum performed by the KATRIN experiment provides a unique way to search for general neutrino interactions (GNIs). All theoretically allowed GNI terms at dimension 6 involving neutrinos are incorporated into a low-energy effective field theory, and can be identified by specific signatures in the measured tritium β spectrum. In this Letter an effective description of the impact of GNIs on the β spectrum is formulated and the first constraints on the effective GNI parameters are derived based on the 4 ×10 6 electrons collected in the second measurement campaign of KATRIN in 2019. In addition, constraints on selected types of interactions are investigated, thereby exploring the potential of KATRIN to search for more specific new physics cases, including a right-handed W boson, a charged Higgs boson, or leptoquarks.
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Aker, M. [Karlsruhe Institute of Technology (KIT)], Batzler, D. [Karlsruhe Institute of Technology (KIT)], Beglarian, A. [Karlsruhe Institute of Technology (KIT)], Beisenkötter, J. [University of Münster], Biassoni, M. [Istituto Nazionale di Fisica Nucleare (INFN)], Bieringer, B. [University of Münster], Biondi, Y. [Karlsruhe Institute of Technology (KIT)], Block, F. [Karlsruhe Institute of Technology (KIT)], Bornschein, B. [Karlsruhe Institute of Technology (KIT)], Bornschein, L. [Karlsruhe Institute of Technology (KIT)], Böttcher, M. [University of Münster], Carminati, M. [Informazione e Bioingegneria; Istituto Nazionale di Fisica Nucleare (INFN)], Chatrabhuti, A. [Chulalongkorn University], Chilingaryan, S. [Karlsruhe Institute of Technology (KIT)], Daniel, B. A. [Carnegie Mellon University], Descher, M. [Karlsruhe Institute of Technology (KIT)], Díaz Barrero, D. [Karlsruhe Institute of Technology (KIT)], Doe, P. J. [University of Washington], Dragoun, O. [Czech Academy of Sciences], Drexlin, G. [Karlsruhe Institute of Technology (KIT)], Edzards, F. [Technical University of Munich; Max Planck Institute for Physics], Eitel, K. [Karlsruhe Institute of Technology (KIT)], Ellinger, E. [University of Wuppertal], Engel, R. [Karlsruhe Institute of Technology (KIT); Karlsruhe Institute of Technology (KIT)], Enomoto, S. [University of Washington], Felden, A. [Karlsruhe Institute of Technology (KIT)], Fengler, C. [Karlsruhe Institute of Technology (KIT)] (ORCID:0009000361967899), Fiorini, C. [Informazione e Bioingegneria; Istituto Nazionale di Fisica Nucleare (INFN)], Formaggio, J. A. [Massachusetts Institute of Technology], Forstner, C. [Technical University of Munich; Max Planck Institute for Physics], Fränkle, F. M. [Karlsruhe Institute of Technology (KIT)], Gagliardi, G. [Istituto Nazionale di Fisica Nucleare (INFN); Università di Milano - Bicocca], Gauda, K. [University of Münster], Gavin, A. S. [University of North Carolina; Triangle Universities Nuclear Laboratory], Gil, W. [Karlsruhe Institute of Technology (KIT)], Glück, F. [Karlsruhe Institute of Technology (KIT)], Grössle, R. [Karlsruhe Institute of Technology (KIT)], Gutknecht, N. [Karlsruhe Institute of Technology (KIT)], Hannen, V. [University of Münster], Hasselmann, L. [Karlsruhe Institute of Technology (KIT)], Helbing, K. [University of Wuppertal], Henke, H. [Karlsruhe Institute of Technology (KIT)], Heyns, S. [Karlsruhe Institute of Technology (KIT)], Hiller, R. [Karlsruhe Institute of Technology (KIT)], Hillesheimer, D. [Karlsruhe Institute of Technology (KIT)], Hinz, D. [Karlsruhe Institute of Technology (KIT)], Höhn, T. [Karlsruhe Institute of Technology (KIT)], Huber, A. [Karlsruhe Institute of Technology (KIT)], Jansen, A. [Karlsruhe Institute of Technology (KIT)], Khosonthongkee, K. [Suranaree University of Technology], Köhler, C. [Technical University of Munich; Max Planck Institute for Physics], Köllenberger, L. [Karlsruhe Institute of Technology (KIT)], Kopmann, A. [Karlsruhe Institute of Technology (KIT)], Kovač, N. [Karlsruhe Institute of Technology (KIT)], La Cascio, L. [Karlsruhe Institute of Technology (KIT)], Lasserre, T. [Université Paris-Saclay], Lauer, J. [Karlsruhe Institute of Technology (KIT)], Le, T. L. [Karlsruhe Institute of Technology (KIT)], Lebeda, O. [Czech Academy of Sciences], Lehnert, B. [Lawrence Berkeley National Laboratory], Li, G. [Carnegie Mellon University], Lokhov, A. [Karlsruhe Institute of Technology (KIT)], Machatschek, M. [Karlsruhe Institute of Technology (KIT)], Mark, M. [Karlsruhe Institute of Technology (KIT)], Marsteller, A. [Karlsruhe Institute of Technology (KIT)], McMichael, K. [Carnegie Mellon University], Melzer, C. [Karlsruhe Institute of Technology (KIT)], Mertens, S. [Technical University of Munich; Max Planck Institute for Physics], Mohanty, S. [Karlsruhe Institute of Technology (KIT)], Mostafa, J. [Karlsruhe Institute of Technology (KIT)], Müller, K. [Karlsruhe Institute of Technology (KIT)], Nava, A. [Istituto Nazionale di Fisica Nucleare (INFN); Università di Milano - Bicocca], Neumann, H. [Karlsruhe Institute of Technology (KIT)], Niemes, S. [Karlsruhe Institute of Technology (KIT)], Onillon, A. [Technical University of Munich; Max Planck Institute for Physics], Parno, D. S. [Carnegie Mellon University], Pavan, M. [Istituto Nazionale di Fisica Nucleare (INFN); Università di Milano - Bicocca], Pinsook, U. [Chulalongkorn University], Poon, A. W. P. [Lawrence Berkeley National Laboratory], Poyato, J. M. L. [Universidad Autonoma de Madrid], Priester, F. [Karlsruhe Institute of Technology (KIT)], Ráliš, J. [Czech Academy of Sciences], Ramachandran, S. [University of Wuppertal], Robertson, R. G. H. [University of Washington], Rodenbeck, C. [Karlsruhe Institute of Technology (KIT)], Röllig, M. [Karlsruhe Institute of Technology (KIT)], Sack, R. [Karlsruhe Institute of Technology (KIT)], Saenz, A. [Humboldt-Universität zu Berlin], Salomon, R. [University of Münster], Schäfer, P. [Karlsruhe Institute of Technology (KIT)], Schlösser, K. [Karlsruhe Institute of Technology (KIT)], Schlösser, M. [Karlsruhe Institute of Technology (KIT)], Schlüter, L. [Lawrence Berkeley National Laboratory], Schneidewind, S. [University of Münster], Schrank, M. [Karlsruhe Institute of Technology (KIT)], Schürmann, J. [Humboldt-Universität zu Berlin; University of Münster], Schütz, A. K. [Lawrence Berkeley National Laboratory], Schwemmer, A. [Technical University of Munich; Max Planck Institute for Physics], Schwenck, A. [Karlsruhe Institute of Technology (KIT)], Seeyangnok, J. [Chulalongkorn University]. 2025-06-23. First Constraints on General Neutrino Interactions Based on KATRIN Data. https://doi.org/10.1103/physrevlett.134.251801
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