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Completing the scalar and fermionic universal one-loop effective action

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Abstract

We extend the known Universal One-Loop Effective Action (UOLEA) by all operators which involve scalars and fermions, not including contributions arising from open covariant derivatives. Our generic analytic expressions for the one-loop Wilson coefficients of effective operators up to dimension six allow for an application of the UOLEA to a broader class of UV-complete models. We apply our generic results to various effective theories of supersymmetric models, where different supersymmetric particles are integrated out at a high mass scale.

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Correspondence to Benjamin Summ.

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ArXiv ePrint: 1908.04798

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Krämer, M., Summ, B. & Voigt, A. Completing the scalar and fermionic universal one-loop effective action. J. High Energ. Phys. 2020, 79 (2020) doi:10.1007/JHEP01(2020)079

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Keywords

  • Effective Field Theories
  • Beyond Standard Model