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A plethora of long-range neutrino interactions probed by DUNE and T2HK

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arxiv 2404.02775 v2 pith:RGLE5NKP submitted 2024-04-03 hep-ph astro-ph.HEhep-exhep-th

Sanjib Kumar Agarwalla , Mauricio Bustamante , Masoom Singh , Pragyanprasu Swain This is my paper · ORCID
classification hep-phastro-ph.HEhep-exhep-th
keywords neutrinointeractionsdunet2hksensitivityaffectcasesexperiments
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abstract

Upcoming neutrino experiments will soon search for new neutrino interactions more thoroughly than ever before, boosting the prospects of extending the Standard Model. In anticipation of this, we forecast the capability of two of the leading long-baseline neutrino oscillation experiments, DUNE and T2HK, to look for new flavor-dependent neutrino interactions with electrons, protons, and neutrons that could affect the transitions between different flavors. We interpret their sensitivity in the context of long-range neutrino interactions, mediated by a new neutral boson lighter than $10^{-10}$ eV, and sourced by the vast amount of nearby and distant matter in the Earth, Moon, Sun, Milky Way, and beyond. For the first time, we explore the sensitivity of DUNE and T2HK to a wide variety of $U(1)^\prime$ symmetries, built from combinations of lepton and baryon numbers, each of which induces new interactions that affect oscillations differently. We find ample sensitivity: in all cases, DUNE and T2HK may constrain the existence of the new interaction even if it is supremely feeble, may discover it, and, in some cases, may identify the symmetry responsible for it.

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Forward citations

Cited by 5 Pith papers

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  1. Probing Neutrinophilic Long-Range Forces at DUNE

    hep-ph 2026-07 conditional novelty 6.0 of 10

    DUNE's long baseline can exclude previously unexplored regions of neutrinophilic long-range force parameter space and map them onto cosmologically relevant neutrino self-interaction strengths.

  2. Probing long-range $L_e-L_\mu$ forces with supernova neutronization burst neutrinos

    hep-ph 2026-07 accept novelty 5.5 of 10

    DUNE can use a nearby supernova neutronization burst to constrain ultralight Le−Lμ gauge forces via distortions of the electron-neutrino survival probability.

  3. Testing the Fifth Force on Lepton Spins through Neutrino Oscillations

    hep-ph 2024-12 conditional novelty 5.0 of 10

    Neutrino oscillation data from solar, reactor, accelerator, and atmospheric experiments place new limits on a vector fifth force coupled to lepton spins and exclude it as an explanation of the muon g-2 anomaly.

  4. Constraints on flavor-dependent long-range interactions of high-energy astrophysical neutrinos

    hep-ph 2025-01 conditional novelty 4.0 of 10

    Using the flavor composition of TeV-PeV astrophysical neutrinos, the authors place 95% C.L. upper limits on flavor-dependent long-range neutrino interactions near 10^-19 eV, and IceCube-Gen2 should improve them by abo...

  5. A plethora of long-range neutrino interactions probed by DUNE and T2HK

    hep-ph 2025-01 conditional novelty 3.0 of 10

    DUNE and T2HK could constrain long-range neutrino-matter interactions from 14 U(1)' symmetries to the 10^-14 to 10^-13 eV level, potentially identifying the responsible symmetry.

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