Geodesic
A Simplified Model for Monopole Catalysis of Nucleon Decay
Teoretičeskaâ i matematičeskaâ fizika, Tome 128 (2001) no. 3, pp. 361-377 Cet article a éte moissonné depuis la source Math-Net.Ru

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We present a simple model where a nucleon is treated as a skyrmion, both the monopole and skyrmion are smooth solutions of the classical field equations, the baryon number nonconservation is explicitly built in and is due to the classical analogue of the triangle anomaly, and there is no necessity to consider leptons. We show by numerical analysis that there are no static classical solutions with a nonzero baryon number on top of the monopole, i.e., that the monopole catalysis of skyrmion decay indeed proceeds classically. 
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     title = {A {Simplified} {Model} for {Monopole} {Catalysis} of {Nucleon} {Decay}},
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Y. Brihaye; V. A. Rubakov; F. Zimmerschied; T. Tchrakian. A Simplified Model for Monopole Catalysis of Nucleon Decay. Teoretičeskaâ i matematičeskaâ fizika, Tome 128 (2001) no. 3, pp. 361-377. http://geodesic.mathdoc.fr/item/TMF_2001_128_3_a2/

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