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Updated: May 18, 2026

Setting Limits on Supersymmetry Using Simplified Models
Published on: November 15, 2013
Measuring Higgs couplings from LHC data
Markus Klute1, Rémi Lafaye, Tilman Plehn
1Massachusetts Institute of Technology, Cambridge, Massachusetts, USA.
Researchers analyzed Higgs boson data from ATLAS and CMS experiments, determining Higgs couplings and constraining modified Higgs sectors. This interpretation of early LHC data provides meaningful insights despite statistical limitations.
Area of Science:
- High Energy Physics
- Particle Physics
- Standard Model Physics
Background:
- Recent publications from the ATLAS and CMS collaborations present results from Higgs boson searches.
- Understanding the properties of the Higgs boson is crucial for testing the Standard Model of particle physics.
Purpose of the Study:
- To interpret the results of recent Higgs searches by the ATLAS and CMS experiments.
- To determine Higgs boson couplings using published 2011 data.
- To extrapolate these findings to various Large Hadron Collider (LHC) running scenarios.
Main Methods:
- Analysis of published Higgs search results from ATLAS and CMS.
- Interpretation within the framework of standard model effective field theory operators.
- Determination of Higgs boson couplings for a mass of 125 GeV.
- Extrapolation of results to future LHC running conditions.
Main Results:
- Several Higgs couplings were determined from the 2011 data.
- Meaningful constraints on modified Higgs sectors were derived.
- The analysis, though limited by low statistics, yielded significant insights.
Conclusions:
- The interpretation of early Higgs search data provides valuable constraints on the Standard Model.
- Future LHC data will further refine these constraints and potentially reveal deviations from the Standard Model.
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