Pseudo-observables in Higgs decays

  title={Pseudo-observables in Higgs decays},
  author={Mart{\'i}n Gonz{\'a}lez-Alonso and Admir Greljo and Gino Isidori and David Marzocca},
We define a set of pseudo-observables characterizing the properties of Higgs decays in generic extensions of the Standard Model with no new particles below the Higgs mass. The pseudo-observables can be determined from experimental data, providing a systematic generalization of the “κ-framework” so far adopted by the LHC experiments. The pseudo-observables are defined from on-shell decay amplitudes, allow for a systematic inclusion of higherorder QED and QCD corrections, and can be computed in… CONTINUE READING


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