Prof. Ethan Neil
Prof. Ethan Neil
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fermion: chiral
One-loop Chiral Perturbation Theory with two fermion representations
We develop chiral perturbation theory for chirally broken theories with fermions in two different representations of the gauge group. Any such theory has a nonanomalous singlet U(1)A symmetry, yielding an additional Nambu-Goldstone boson when …
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