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A 162-m² sr scintillation detector located 3200 m underground was used to look for high-energy fragments from baryon-nonconserving nucleon decay. A new lower limit on the half-life of the nucleon from 2×{}10²⁸ to 8×{}10²⁹ years, depending on the assumed decay mode, is established.
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Gurr et al. (1967) studied this question.
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