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

Ferreira, Felipe, Fuks, Benjamin, Sanz, Verónica and Sengupta, Dipan (2017) Probing CP-violating Higgs and gauge-boson couplings in the Standard Model effective field theory. The European Physical Journal C, 77 (675). pp. 1-18. ISSN 1434-6044

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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.

Item Type: Article
Schools and Departments: School of Mathematical and Physical Sciences > Physics and Astronomy
Research Centres and Groups: Theoretical Particle Physics Research Group
Subjects: Q Science > QC Physics
Depositing User: Alice Jackson
Date Deposited: 08 Jan 2019 09:18
Last Modified: 08 Jan 2019 09:18
URI: http://srodev.sussex.ac.uk/id/eprint/81111

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