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Off-shell renormalization in the presence of dimension 6 derivative operators. II. UV coefficients

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arxiv 1904.06693 v2 pith:4WTUZK3A submitted 2019-04-14 hep-ph hep-th

classification hep-phhep-th
keywords dimensionoperatorsrenormalizationcoefficientsdaggerderivativefieldhigher-dimensional
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

The full off-shell one loop renormalization for all divergent amplitudes up to dimension 6 in the Abelian Higgs-Kibble model, supplemented with a maximally power counting violating higher-dimensional gauge-invariant derivative interaction $\sim g ~ \phi^\dagger \phi (D^\mu \phi)^\dagger D_\mu \phi$, is presented. This allows one to perform the complete renormalization of radiatively generated dimension 6 operators in the model at hand. We describe in details the technical tools required in order to disentangle the contribution to UV divergences parameterized by (generalized) non-polynomial field redefinitions. We also discuss how to extract the dependence of the $\beta$-function coefficients on the non-renormalizable coupling $g$ in one loop approximation, as well as the cohomological techniques (contractible pairs) required to efficiently separate the mixing of contributions associated to different higher-dimensional operators in a spontaneously broken effective field theory.

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  1. Gauge-invariant Slavnov-Taylor Decomposition for Trilinear Vertices

    hep-th 2025-06 conditional novelty 5.0 of 10

    The paper extends the FMS sector-by-sector Slavnov-Taylor decomposition to trilinear vertices at one loop and tabulates ultraviolet divergent amplitudes that are claimed to satisfy the identities.

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