CP-violation in the ZZZ and ZWW vertices at e+e− colliders in Two-Higgs-Doublet Models

CP-violation in the ZZZ and ZWW vertices at e+e− colliders in Two-Higgs-Doublet Models

A bstract We discuss possibilities of measuring CP violation in the Two-Higgs-Doublet Model by studying effects of one-loop generated ZZZ and ZW W vertices. We discuss a set of CP-sensitive asymmetries for ZZ and W + W − production at linear e + e − -colliders, that directly depends on the weak-basi...

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Veröffentlicht in:The journal of high energy physics 2016-05, Vol.2016 (5), Article 25
Hauptverfasser: Grzadkowski, B., Ogreid, O. M., Osland, P.
Format: Artikel
Sprache:eng
Schlagworte:
Classical and Quantum Gravitation
Elementary Particles
Physics
Physics and Astronomy
Quantum Field Theories
Quantum Field Theory
Quantum Physics
Regular Article - Theoretical Physics
Relativity Theory
String Theory
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Zusammenfassung:A bstract We discuss possibilities of measuring CP violation in the Two-Higgs-Doublet Model by studying effects of one-loop generated ZZZ and ZW W vertices. We discuss a set of CP-sensitive asymmetries for ZZ and W + W − production at linear e + e − -colliders, that directly depends on the weak-basis invariant Im J 2 that parametrises the strength of CP violation. Given the restrictions on this model that follow from the LHC measurements, the predicted effects are small. Pursuing such measurements is however very important, as an observed signal might point to a richer scalar sector.
ISSN:1029-8479
1029-8479
DOI:10.1007/JHEP05(2016)025