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Ryusuke Jinno
순수물리이론 연구단
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Selecting models of first-order phase transitions using the synergy between collider and gravitational-wave experiments

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Title
Selecting models of first-order phase transitions using the synergy between collider and gravitational-wave experiments
Author(s)
Katsuya Hashino; Ryusuke Jinno; Mitsuru Kakizaki; Shinya Kanemura; Tomo Takahashi; Masahiro Takimoto
Publication Date
2019-04
Journal
PHYSICAL REVIEW D, v.99, no.7, pp.075011 -
Publisher
AMER PHYSICAL SOC
Abstract
© 2019 authors. Published by the American Physical Society.r(s) and the published article's title, journal citation, and DOI. Funded by SCOAP 3 . We investigate the sensitivity of future space-based interferometers such as LISA and DECIGO to the parameters of new particle physics models which drive a first-order phase transition in the early Universe. We first perform a Fisher matrix analysis on the quantities characterizing the gravitational-wave spectrum resulting from the phase transition, such as the peak frequency and amplitude. We next perform a Fisher analysis for the quantities which determine the properties of the phase transition, such as the latent heat and the time dependence of the bubble nucleation rate. Since these quantities are determined by the model parameters of the new physics, we can estimate the expected sensitivities to such parameters. We illustrate this point by taking three new physics models for example: (i) models with additional isospin singlet scalars, (ii) a model with an extra real Higgs singlet, and (iii) a classically conformal B-L model. We find that future gravitational-wave observations play complementary roles to future collider experiments in pinning down the parameters of new physics models driving a first-order phase transition
URI
https://pr.ibs.re.kr/handle/8788114/6334
ISSN
2470-0010
Appears in Collections:
Center for Fundamental Theory(순수물리이론 연구단) > Journal Papers (저널논문)
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