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Effective field theories in Rξ gauges

Journal of High Energy Physics volume 2019, Article number: 51 (2019) Cite this article

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Abstract

In effective quantum field theories, higher dimensional operators can affect the canonical normalization of kinetic terms at tree level. These contributions for scalars and gauge bosons should be carefully included in the gauge fixing procedure, in order to end up with a convenient set of Feynman rules. We develop such a setup for the linear Rξ-gauges. It involves a suitable reduction of the operator basis, a generalized gauge fixing term, and a corresponding ghost sector. Our approach extends previous results for the dimension-six Standard Model Effective Field Theory to a generic class of effective theories with operators of arbitrary dimension.

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This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.

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Authors and Affiliations

  1. Institute of Theoretical Physics, Faculty of Physics, University of Warsaw, Pasteura 5, PL 02-093, Warsaw, Poland

    M. Misiak, M. Paraskevas, J. Rosiek & B. Zglinicki

  2. Department of Physics, University of Ioannina, GR 45110, Ioannina, Greece

    M. Paraskevas & K. Suxho

Authors
  1. M. Misiak
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  2. M. Paraskevas
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  3. J. Rosiek
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  4. K. Suxho
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  5. B. Zglinicki
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Corresponding author

Correspondence to M. Misiak.

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ArXiv ePrint: 1812.11513

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Misiak, M., Paraskevas, M., Rosiek, J. et al. Effective field theories in Rξ gauges. J. High Energ. Phys. 2019, 51 (2019). https://doi.org/10.1007/JHEP02(2019)051

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  • DOI: https://doi.org/10.1007/JHEP02(2019)051

Keywords

  • Effective Field Theories
  • Gauge Symmetry
  • Spontaneous Symmetry Breaking