Journal
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
Volume -, Issue 5, Pages -Publisher
IOP Publishing Ltd
DOI: 10.1088/1475-7516/2017/05/028
Keywords
cosmological phase transitions; gravitational waves / sources; baryon asymmetry; dark matter theory
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The baryon asymmetry, together with a dark matter asymmetry, may be produced during a first order phase transition in a generative sector. We study the possibility of a gravitational wave signal in a model realising such a scenario. We identify areas of parameter space with strong phase transitions which can be probed by future, space based, gravitational wave detectors. Other signals of this scenario include collider signatures of a Z', DM self interactions, a contribution to Delta N-eff and nuclear recoils at direct detection experiments.
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