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Search for nucleon decay with final states l+η0, ν̄η0, and ν̄π+,0 using Soudan 2

Abstract:

We have searched for nucleon decay into five two-body final states using a 4.4 kiloton-year fiducial exposure of the Soudan 2 iron tracking calorimeter. For proton decay into the fully visible final states μ+η0 and e+η0, we observe zero and one event, respectively, that satisfy our search criteria for nucleon decay. The lifetime lower limits (τ/B) thus implied are 89×1030 years and 81×1030 years at 90% confidence level. For neutron decay into ν̄η0, we obtain the lifetime lower limit 71×1030 y...

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Authors


Allison, WWM More by this author
Barrett, WL More by this author
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Journal:
Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume:
62
Issue:
9
Pages:
1-11
Publication date:
2000-11-01
ISSN:
0556-2821
URN:
uuid:eebabd7a-1916-47d6-ae27-038ffb563622
Source identifiers:
90427
Local pid:
pubs:90427
Language:
English

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