Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1996-09-09
Phys.Rev. D54 (1996) 6936-6943
Physics
High Energy Physics
High Energy Physics - Phenomenology
15 pages, 7 Postscript figures
Scientific paper
10.1103/PhysRevD.54.6936
In gauge theories like the standard model, the electric charges of the fermions can be heavily constrained from the classical structure of the theory and from the cancellation of anomalies. There is however mounting evidence suggesting that these anomaly constraints are not as well motivated as the classical constraints. In light of this we discuss possible modifications of the minimal standard model which will give us complete electric charge quantisation from classical constraints alone. Because these modifications to the standard model involve the consideration of baryon number violating scalar interactions, we present a complete catalogue of the simplest ways to modify the standard model so as to introduce explicit baryon number violation. This has implications for proton decay searches and baryogenesis.
Bowes J. P.
Foot Robert
Volkas Raymond R.
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