Further Evidence for Neutrino Flux Variability from Super-Kamiokande Data

Details Further Evidence for Neutrino Flux Variability from Super-Kamiokande Data Further Evidence for Neutrino Flux Variability from Super-Kamiokande Data

2003-05-28

arxiv.org/abs/hep-ph/0305303v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 5 figures, submitted to Phys. Rev. Lett

Scientific paper

While KamLAND apparently rules out Resonant-Spin-Flavor-Precession (RSFP) as an explanation of the solar neutrino deficit, the solar neutrino fluxes in the Cl and Ga experiments vary with solar rotation rates. Added to this evidence, summarized here, a power spectrum analysis of the Super-Kamiokande data reveals (99.9% CL) an oscillation in the band of twice the equatorial rotation frequencies of the solar interior. An m=2 magnetic structure and RSFP, perhaps as a subdominant process, would give this effect. Solar cycle data changes are seen, as expected for convection zone modulations.

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