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 ∼ 3 · 10-16 cm-2 s-1 sr-1 for 1.1 · 10-4 ≤ |β| ≤ 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.
| Lingua originale | Inglese |
|---|---|
| pagine (da-a) | 163-172 |
| Numero di pagine | 10 |
| Rivista | European Physical Journal C |
| Volume | 26 |
| Numero di pubblicazione | 2 |
| DOI | |
| Stato di pubblicazione | Pubblicato - dic 2002 |
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