Higgs, Supersymmetry and Dark Matter After Run I of the LHC

Dumont, Beranger

doi:10.1007/978-3-319-44956-2

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2017

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“…Most studies, however, assume that the new physics contributions to the Higgs-boson couplings feature a C P-even structure, in particular when existing constraints on the effective operators are evaluated [5][6][7][8][9][10][11][12]. In comparison, the investigation of the effects of the C P-odd Higgs-boson effective operators has been relatively sparse [13][14][15][16][17][18][19], although some experimental analyses are available, e.g.…”

Section: Introductionmentioning

confidence: 99%

Probing $$\textit{CP}$$-violating Higgs and gauge-boson couplings in the Standard Model effective field theory

et al. 2017

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We study the phenomenological consequences of several C P-violating structures that could arise in the Standard Model effective field theory framework. Focusing on operators involving electroweak gauge and/or Higgs bosons, we derive constraints originating from Run I LHC data. We then study the capabilities of the present and future LHC runs at higher energies to further probe associated C P-violating phenomena and we demonstrate how differential information can play a key role. We consider both traditional four-lepton probes of C P-violation in the Higgs sector and novel new physics handles based on varied angular and non-angular observables.

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