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Limit On the Neutrino Magnetic Moment Using 1496 Days of Super-Kamiokande-i Solar Neutrino Data

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arxiv hep-ex/0402015 v1 pith:4SUSTVFY submitted 2004-02-08 hep-ex

classification hep-ex
keywords neutrinomagneticmomentsolardatadaysenergyfitting
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

A search for a non-zero neutrino magnetic moment has been conducted using 1496 live days of solar neutrino data from {\SK}. Specifically, we searched for distortions to the energy spectrum of recoil electrons arising from magnetic scattering due to a non-zero neutrino magnetic moment. In the absence of clear signal, we found $\mu_{\nu} \leq 3.6 \times 10^{-10}$ $\mu_{B}$ at 90% C.L. by fitting to the Super-Kamiokande day/night spectra. The fitting took into account the effect of neutrino oscillation on the shapes of energy spectra. With additional information from other solar neutrino and KamLAND experiments constraining the oscillation region, a limit of $\mu_{\nu} \leq 1.1 \times 10^{-10}$ $\mu_{B}$ at 90% C.L. was obtained.

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Forward citations

Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Elastic neutrino-electron scattering perspectives at nuclear reactors

    hep-ph 2026-02 conditional novelty 5.0 of 10

    Projections show CLOUD and TAO could improve low-energy weak mixing angle measurements to 8-11% via elastic neutrino-electron scattering, with competitive magnetic moment and NSI limits.

  2. Sensitivity study of a sapphire detector using Coherent Elastic Neutrino-Nucleus Scattering process

    hep-ph 2025-02 conditional novelty 5.0 of 10

    Projected sensitivities for the proposed ICNSE sapphire detector show it could constrain new scalar and vector mediator masses at reactor sites, though its neutrino magnetic moment and weak mixing angle reach would be modest.

  3. Reactor antineutrinos CE$\nu$NS on germanium: CONUS+ and TEXONO as a new gateway to SM and BSM physics

    hep-ph 2025-01 conditional novelty 5.0 of 10

    CONUS+ and TEXONO reactor CEνNS data are consistent with the Standard Model and yield the most stringent limit on the electron neutrino millicharge through neutrino-electron scattering.

  4. Exploring the Standard Model and Beyond from the Evidence of CE$\nu$NS with Reactor Antineutrinos in CONUS+

    hep-ph 2025-01 conditional novelty 4.0 of 10

    Fitting the CONUS+ reactor CEνNS event count yields sin²θW = 0.268 ± 0.047, µν < 5.6×10⁻¹⁰ µB, and NSI bounds similar to COHERENT, all consistent with the Standard Model.

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