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

Abstract : 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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Article dans une revue
European Physical Journal C: Particles and Fields, Springer Verlag (Germany), 2017, 77 (10), pp.675. 〈10.1140/epjc/s10052-017-5226-6〉
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Soumis le : mardi 31 octobre 2017 - 11:58:13
Dernière modification le : jeudi 2 novembre 2017 - 10:59:38

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UPMC | UGA | LPSC | LPTHE | IN2P3

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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, Springer Verlag (Germany), 2017, 77 (10), pp.675. 〈10.1140/epjc/s10052-017-5226-6〉. 〈hal-01626773〉

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