Anomaly-Free Sets of Fermions

Details Anomaly-Free Sets of Fermions Anomaly-Free Sets of Fermions

2005-10-13

arxiv.org/abs/hep-ph/0510181v1

J.Math.Phys.47:082301,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

21 (+1) pages

Scientific paper

We present new techniques for finding anomaly-free sets of fermions. Although the anomaly cancellation conditions typically include cubic equations with integer variables that cannot be solved in general, we prove by construction that any chiral set of fermions can be embedded in a larger set of fermions which is chiral and anomaly-free. Applying these techniques to extensions of the Standard Model, we find anomaly-free models that have arbitrary quark and lepton charges under an additional U(1) gauge group.

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