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Article Dans Une Revue European Physical Journal C: Particles and Fields Année : 2017

Probing CP-violating Higgs and gauge-boson couplings in the Standard Model effective field theory

Résumé

We study the phenomenological consequences of several CP-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 CP-violating phenomena and we demonstrate how differential information can play a key role. We consider both traditional four-lepton probes of CP-violation in the Higgs sector and novel new physics handles based on varied angular and non-angular observables.
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hal-01626773 , version 1 (31-10-2017)

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Felipe Ferreira, Benjamin Fuks, Veronica Sanz, D. Sengupta. Probing CP-violating Higgs and gauge-boson couplings in the Standard Model effective field theory. European Physical Journal C: Particles and Fields, 2017, 77 (10), pp.675. ⟨10.1140/epjc/s10052-017-5226-6⟩. ⟨hal-01626773⟩
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