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High Energy Physics - Phenomenology

arXiv:1610.08356 (hep-ph)
[Submitted on 26 Oct 2016]

Title:The Standard Model Effective Field Theory and Next to Leading Order

Authors:Giampiero Passarino, Michael Trott
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Abstract:We review the status of calculations in the Standard Model Effective Field Theory (SMEFT) beyond leading order (LO). Improving the SMEFT beyond LO allows theoretical errors to be characterized and reduced when considering SMEFT interpretations of the data, which is essential considering the improving experimental precision at LHC. Next to leading order results also allow a more consistent analysis of measurements with different effective scales in the SMEFT. Going beyond LO is clearly important in the event that deviations from the SM are large enough that experimental indications of physics beyond the SM emerge. We discuss a consistent and well defined approach to LO in the SMEFT, so that the improvement to NLO is straightforward. We discuss the basic issues involved in improving calculations to NLO in the SMEFT, and review the advances in this direction that have been achieved to date.
Comments: Original (uncensored) contribution to LHC Higgs Cross Section Working Group 2 (Higgs Properties) leading to contribution in CERN Yellow Report 4, arXiv:1610.07922
Subjects: High Energy Physics - Phenomenology (hep-ph)
Cite as: arXiv:1610.08356 [hep-ph]
  (or arXiv:1610.08356v1 [hep-ph] for this version)
  https://doi.org/10.48550/arXiv.1610.08356

Submission history

From: Michael Trott [view email]
[v1] Wed, 26 Oct 2016 14:41:30 UTC (596 KB)
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