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Search for nucleon decays induced by GUT magnetic monopoles with the MACRO experiment
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2002 (English)In: European Physical Journal C, ISSN 1434-6044, E-ISSN 1434-6052, Vol. 26, no 2, p. 163-172Article in journal (Refereed) Published
Abstract [en]

The interaction of a Grand Unification Magnetic Monopole with a nucleon can lead to a barion-number violating process in which the nucleon decays into a lepton and one or more mesons (catalysis of nucleon decay). In this paper we report an experimental study of the effects of a catalysis process in the MACRO detector. Using a dedicated analysis we obtain new magnetic monopole (MM) flux upper limits at the level of similar to 3 (.) 10(-16) cm(-2) s(-1) sr(-1) for 1.1(.) 10(-4) less than or equal to \beta\ less than or equal to 5 (.) 10(-3), based on the search for catalysis events in the MACRO data. We also analyze the dependence of the MM flux limit on the catalysis cross section.

Place, publisher, year, edition, pages
Springer, 2002. Vol. 26, no 2, p. 163-172
National Category
Astronomy, Astrophysics and Cosmology
Research subject
Physics, Astroparticle Physics
Identifiers
URN: urn:nbn:se:lnu:diva-30299DOI: 10.1140/epjc/s2002-01045-xISI: 000180596200001OAI: oai:DiVA.org:lnu-30299DiVA, id: diva2:705269
Available from: 2014-03-14 Created: 2013-11-08 Last updated: 2017-12-05Bibliographically approved

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Becherini, YvonneCafagna, FLamanna, ESirri, G

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Becherini, YvonneCafagna, FLamanna, ESirri, G
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Astronomy, Astrophysics and Cosmology

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