Model Discrimination in Gravitational Wave spectra from Dark Phase Transitions

2018/06/30 by Djuna Croon, Veronica Sanz, Graham White · 1 citation
Physics and Astronomy · #astro-ph.CO #hep-ph

paper · pdf · doi:10.1007/jhep08(2018)203

published as JHEP 1808 (2018) 203 · 22 pages, 6 figures. Published version

arxiv created 2018/09/04 · arxiv updated 2018/09/06

Abstract

In anticipation of upcoming gravitational wave experiments, we provide a comprehensive overview of the spectra predicted by phase transitions triggered by states from a large variety of dark sector models. Such spectra are functions of the quantum numbers and (self-) couplings of the scalar that triggers the dark phase transition. We classify dark sectors that give rise to a first order phase transition and perform a numerical scan over the thermal parameter space. We then characterize scenarios in which a measurement of a new source of gravitational waves could allow us to discriminate between models with differing particle content.

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