Journal of the Physical Society of Japan · 1986 · 16 citations · 0 references
Natural SciencesPhysicsNuclear PhysicsParticle PhysicsBaryon PhysicsMeson PhysicsNeutrino PhysicsNuclear DecayParticle DetectorsRadioactive DecayCherenkov DetectionCherenkov DetectorsLive Time MeasurementLower BoundsNuclear Decay Modes
With a 3000 ton water Cherenkov detector, the nucleon decays into an antineutrino+mesons are searched for. No evidence for nucleon decay has been found during 474 days of detector live time. The lower limits on partial nucleon life time, τ/ B , are 0.5-4.2×10 31 yr at 90% C.L. depending on the nucleon decay modes.