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We study the resonant decay of the Higgs condensate into weak gauge bosonsafter inflation and estimate the corrections arising from the non-Abelianself-interactions of the gauge fields. We find that non-Abelian interactionterms induce an effective mass which tends to shut down the resonance. For thebroad resonance relevant for the Standard Model Higgs the produced gaugeparticles backreact on the dynamics of the Higgs condensate before thenon-Abelian terms grow large. The non-Abelian terms can however significantlyaffect the final stages of the resonance after the backreaction. In the narrowresonance regime, which may be important for extensions of the Standard Model,the non-Abelian terms affect already the linear stage and terminate theresonance before the Higgs condensate is affected by the backreaction of decayproducts.

Non-Abelian dynamics in the resonant decay of the Higgs after inflation