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Search for Nucleon Decays induced by GUT Magnetic Monopoles with the MACRO Experiment
- Publication Year :
- 2002
-
Abstract
- 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 $\sim 3\cdot 10^{-16} cm^{-2} s^{-1} sr^{-1}$ for $1.1\cdot 10^{-4} \le |\beta| \le 5\cdot 10^{-3}$, 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.<br />Comment: 12 pages, Latex, 10 figures and 2 Tables
- Subjects :
- Astroparticle physics
Physics
Particle physics
Physics and Astronomy (miscellaneous)
Meson
Proton decay
Magnetic monopole
FOS: Physical sciences
Flux
MACRO
Gran Sasso
High Energy Physics - Experiment
Nuclear physics
High Energy Physics - Experiment (hep-ex)
Grand Unified Theory
High Energy Physics::Experiment
Nucleon
Engineering (miscellaneous)
Lepton
Subjects
Details
- Language :
- English
- Database :
- OpenAIRE
- Accession number :
- edsair.doi.dedup.....14047bedc972b4f57e22f223e0cb20bf