Neutrino self-interactions: A white paper

Jeffrey M. Berryman, Nikita Blinov*, Vedran Brdar, Thejs Brinckmann, Mauricio Bustamante, Francis Yan Cyr-Racine, Anirban Das, André de Gouvêa, Peter B. Denton, P. S.Bhupal Dev, Bhaskar Dutta, Ivan Esteban, Damiano Fiorillo, Martina Gerbino, Subhajit Ghosh, Tathagata Ghosh, Evan Grohs, Tao Han, Steen Hannestad, Matheus HostertPatrick Huber, Jeffrey Hyde, Kevin J. Kelly, Felix Kling, Zhen Liu, Massimiliano Lattanzi, Marilena Loverde, Sujata Pandey, Ninetta Saviano, Manibrata Sen, Ian M. Shoemaker, Walter Tangarife, Yongchao Zhang, Yue Zhang

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

31 Scopus citations

Abstract

Neutrinos are the Standard Model (SM) particles which we understand the least, often due to how weakly they interact with the other SM particles. Beyond this, very little is known about interactions among the neutrinos, i.e., their self-interactions. The SM predicts neutrino self-interactions at a level beyond any current experimental capabilities, leaving open the possibility for beyond-the-SM interactions across many energy scales. In this white paper, we review the current knowledge of neutrino self-interactions from a vast array of probes, from cosmology, to astrophysics, to the laboratory. We also discuss theoretical motivations for such self-interactions, including neutrino masses and possible connections to dark matter. Looking forward, we discuss the capabilities of searches in the next generation and beyond, highlighting the possibility of future discovery of this beyond-the-SM physics.

Original languageEnglish (US)
Article number101267
JournalPhysics of the Dark Universe
Volume42
DOIs
StatePublished - Dec 2023

Funding

NB was supported in part by NSERC, Canada. The work of F.K. is supported by the Deutsche Forschungsgemeinschaft under Germany's Excellence Strategy - EXC 2121 Quantum Universe - 390833306. W.T. is supported by National Science Foundation, USA - Grant No. PHY-2013052. EG is supported by the Department of Energy Office of Nuclear Physics, USA award DE-FG02-02ER41216. EG acknowledges support by the National Science Foundation, USA grant No. PHY-1430152 (Joint Institute for Nuclear Astrophysics Center for the Evolution of the Elements). The work of P.S.B.D. is supported in part by the U.S. Department of Energy under Grant No. DE-SC0017987. The work of B.D. is supported in part by the U.S. Department of Energy under grant No. DE-SC0010813. The work of Z.L. is supported in part by the U.S. Department of Energy under grant No. DE-SC0022345. The work of Yongchao Zhang is supported by the National Natural Science Foundation of China under Grant No. 12175039, the 2021 Jiangsu Shuangchuang (Mass Innovation and Entrepreneurship), China Talent Program No. JSSCBS20210144, and the “Fundamental Research Funds for the Central Universities”, China. AD was supported by the U.S. Department of Energy under contract number DE-AC02-76SF00515. The work of MB is supported by the VILLUM FONDEN, Denmark under project no. 29388. Y.Z. is supported by the Arthur B. McDonald Canadian Astroparticle Physics Research Institute. NB was supported in part by NSERC, Canada . The work of F.K. is supported by the Deutsche Forschungsgemeinschaft under Germany’s Excellence Strategy - EXC 2121 Quantum Universe - 390833306 . W.T. is supported by National Science Foundation, USA - Grant No. PHY-2013052 . EG is supported by the Department of Energy Office of Nuclear Physics, USA award DE-FG02-02ER41216 . EG acknowledges support by the National Science Foundation, USA grant No. PHY-1430152 (Joint Institute for Nuclear Astrophysics Center for the Evolution of the Elements). The work of P.S.B.D. is supported in part by the U.S. Department of Energy under Grant No. DE-SC0017987 . The work of B.D. is supported in part by the U.S. Department of Energy under grant No. DE-SC0010813 . The work of Z.L. is supported in part by the U.S. Department of Energy under grant No. DE-SC0022345 . The work of Yongchao Zhang is supported by the National Natural Science Foundation of China under Grant No. 12175039 , the 2021 Jiangsu Shuangchuang (Mass Innovation and Entrepreneurship), China Talent Program No. JSSCBS20210144 , and the “Fundamental Research Funds for the Central Universities”, China . AD was supported by the U.S. Department of Energy under contract number DE-AC02-76SF00515 . The work of MB is supported by the Villum Fonden , Denmark under project no. 29388. Y.Z. is supported by the Arthur B. McDonald Canadian Astroparticle Physics Research Institute .

Keywords

  • Astrophysical probes
  • Cosmological probes
  • Laboratory probes
  • Neutrino self-interactions
  • Theoretical models

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

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