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One-loop Effective Action up to Dimension Eight: Integrating out Heavy Scalar(s)

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arxiv 2306.09103 v1 pith:325TAF4N submitted 2023-06-15 hep-ph hep-th

Upalaparna Banerjee , Joydeep Chakrabortty , Shakeel Ur Rahaman , Kaanapuli Ramkumar This is my paper · ORCID
classification hep-phhep-th
keywords actiondimensioneffectiveeightheavyintegratingone-loopscalar
verification ladder T0 review T1 audit T2 compute T3 formal
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We present the complete one-loop effective action up to dimension eight after integrating out degenerate scalars using the Heat-Kernel method. The result is provided without assuming any specific form of either UV or low energy theories, i.e., universal. In this paper, we consider the effects of only heavy scalar propagators in the loops. We also verify part of the results using the covariant diagram technique.

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Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. On the Robustness of type-II Seesaw Collider Searches

    hep-ph 2026-03 conditional novelty 6.0 of 10

    Adding a single effective operator that makes the doubly charged Higgs decay into two leptons and a photon weakens current ATLAS limits from ~1.1 TeV to ~0.7 TeV, but requiring a hard photon in the final state restore...

  2. Electroweak Scalar Effects Beyond Dimension-6 in SMEFT

    hep-ph 2025-01 conditional novelty 6.0 of 10

    One-loop dimension-eight SMEFT matching is derived for complex triplet and two-Higgs-doublet scalar extensions, and the dimension-eight terms are shown to matter for GigaZ electroweak precision projections.

  3. Gauge Choices, Infrared Pitfalls, and Thermal Effects in Effective Potentials

    hep-th 2025-07 conditional novelty 5.0 of 10

    Including a multiplicative anomaly or using the Heat Kernel method makes the one-loop effective potential in the Fermi gauge independent of the gauge parameter and improves its infrared behaviour, also at finite temperature.

  4. Fingerprinting New Physics with Effective Field Theories

    hep-ph 2025-01 conditional novelty 2.0 of 10

    A thesis compiling published SMEFT global fits, automated UV-model constraints, and ML-based unbinned observables, with projections for HL-LHC, FCC-ee, and CEPC.

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