Search for Proton Decay via pe+π0 in a Large Water Cherenkov Detector

M. Shiozawa et al. (Super-Kamiokande Collaboration)
Phys. Rev. Lett. 81, 3319 – Published 19 October 1998
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We have searched for proton decay via pe+π0 using data from a 25.5ktoṅyr exposure of the Super-Kamiokande detector. We find no candidate events with an expected background induced by atmospheric neutrinos of 0.1 events. From these data, we set a lower limit on the partial lifetime of the proton τ/Bpe+π0 to be 1.6×1033years at a 90% confidence level.

  • Received 19 May 1998


©1998 American Physical Society

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Vol. 81, Iss. 16 — 19 October 1998

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