Relaxion and light (pseudo)scalars at the HL-LHC and lepton colliders

Claudia Frugiuele, Elina Fuchs, Gilad Perez, Matthias Schlaffer

Research output: Contribution to journalArticlepeer-review

Abstract

We study the potential of future lepton colliders, running at the Z - pole and above, and the High- Luminosity LHC to search for the relaxion and other light scalars phi. We investigate the interplay of direct searches and precision observables for both CP even and - odd couplings. In particular, precision measurements of exotic Z - decays, Higgs couplings, the exotic Higgs decay into a relaxion pair and associated Z phi and phi gamma production are promising channels to yield strong bounds.

Original languageEnglish
Article number151
Number of pages35
JournalJournal of High Energy Physics
Volume2018
Issue number10
DOIs
StatePublished - 24 Oct 2018

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