Physics
Scientific paper
Jul 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983phrvl..51..245e&link_type=abstract
Physical Review Letters (ISSN 0031-9007), vol. 51, July 25, 1983, p. 245-248. Research supported by the U.S. Department of Energ
Physics
35
Decay Rates, Magnetic Monopoles, Meson-Nucleon Interactions, Radioactive Decay, Cerenkov Counters, Scattering Cross Sections, Velocity Distribution, Magnetic Monopoles, Leptonic, Semileptonic, And Radiative Decays, Protons And Neutrons
Scientific paper
A search for superheavy magnetic monopoles 'catalyzing' nucleon decay via the reaction M + N - M + e(+) + mesons in an underground water Cherenkov detector has been carried out. Direct experimental evidence for monopole-catalyzed nucleon decay would be of profound importance for grand unified theories since it could simultaneously prove the existence of magnetic monopoles and proton decay. No positive evidence for such a process was found during 100 days of detector live time. Cross section and velocity-dependent limits on the monopole flux are presented which are as low as 7.2 x 10 to the -15th/sq cm/sr/s. For very low cross sections, velocity-independent limits on the monopole flux and interaction rate are obtained. These limits place no useful constraint on the monopole flux if the catalysis cross section is vanishingly small.
Bionta Richard M.
Blewitt Geoffrey
Bratton C. B.
Cortez B. G.
Errede Steven
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