Weak and Electromagnetic Nuclear Decay Signatures for Neutrino Reactions in SuperKamiokande

Abstract

We suggest the study of events in the SuperKamiokande neutrino data due to charged- and neutral-current neutrino reactions followed by weak and/or electromagnetic decays of struck nuclei and fragments thereof. This study could improve the prospects of obtaining evidence for $\tau$ production from ${\nu }_{\mu }\to {\nu }_{\tau }$ oscillations and could augment the data sample used to disfavor ${\nu }_{\mu }\to {\nu }_{sterile}$ oscillations.

7 pages, latex, to appear in Phys. Rev. Lett

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• Measurement of the neutrino-oxygen neutral-current interaction cross section by observing nuclear deexcitation $\gamma$ rays
• Robust measurement of supernova ${\nu }_e$ spectra with future neutrino detectors
• Measurement of neutrino and antineutrino neutral-current quasielastic-like interactions on oxygen by detecting nuclear de-excitation $\gamma$-rays
• Baryon-Number-Violating Nucleon and Dinucleon Decays in a Model with Large Extra Dimensions
• Neutral-Current Atmospheric Neutrino Flux Measurement Using Neutrino-Proton Elastic Scattering in Super-Kamiokande
• Earth tomography with supernova neutrinos at future neutrino detectors
• Distinctive nuclear signatures of low-energy atmospheric neutrinos
• Detection of supernova neutrinos at spallation neutron sources
• On two weak CC Delta production models