Search for nucleon decay via modes favored by supersymmetric grand unification models in Super-Kamiokande-I

K. Kobayashi et al. (Super-Kamiokande Collaboration)
Phys. Rev. D 72, 052007 – Published 22 September 2005

Abstract

We report the results for nucleon decay searches via modes favored by supersymmetric grand unified models in Super-Kamiokande. Using 1489 days of full Super-Kamiokande-I data, we searched for pν¯K+, nν¯K0, pμ+K0, and pe+K0 modes. We found no evidence for nucleon decay in any of these modes. We set lower limits of partial nucleon lifetime 2.3×1033, 1.3×1032, 1.3×1033, and 1.0×1033years at 90% confidence level for pν¯K+, nν¯K0, pμ+K0, and pe+K0 modes, respectively. These results give a strong constraint on supersymmetric grand unification models.

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  • Received 15 February 2005

DOI:https://doi.org/10.1103/PhysRevD.72.052007

©2005 American Physical Society

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Vol. 72, Iss. 5 — 1 September 2005

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