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Abstract
We analyse a simple extension of the SM with just an additional scalar singlet coupled to the Higgs boson. We discuss the possible probes for electroweak baryogenesis in this model including collider searches, gravitational wave and direct dark matter detection signals. We show that a large portion of the model parameter space exists where the observation of gravitational waves would allow detection while the indirect collider searches would not.
Details
1 ARC Centre of Excellence for Particle Physics at the Terascale (CoEPP) & CSSM, Department of Physics, University of Adelaide, South Australia, Adelaide, Australia
2 ARC Centre of Excellence for Particle Physics at the Terascale (CoEPP) & CSSM, Department of Physics, University of Adelaide, South Australia, Adelaide, Australia; Faculty of Physics, University of Warsaw, Warsaw, Poland
3 Michigan Center for Theoretical Physics, University of Michigan, Ann Arbor, MI, U.S.A.; Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany




