Model discrimination in gravitational wave spectra from dark phase transitions

Croon, Djuna, Sanz, Verónic and White, Graham (2018) Model discrimination in gravitational wave spectra from dark phase transitions. Journal of High Energy Physics, 2018 (203). pp. 1-21. ISSN 1029-8479

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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.

Item Type: Article
Schools and Departments: School of Mathematical and Physical Sciences > Physics and Astronomy
Research Centres and Groups: Theoretical Particle Physics Research Group
Depositing User: Alice Jackson
Date Deposited: 10 Dec 2018 10:25
Last Modified: 02 Jul 2019 13:36

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Project NameSussex Project NumberFunderFunder Ref
South-Eastern Particle Theory Alliance Sussex - RHUL - UCL 2017-2020 - Sussex nodeG2074STFC-SCIENCE AND TECHNOLOGY FACILITIES COUNCILST/P000819/1
National Research Council of Canada and the NaturalUnsetUnsetUnset