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Electroweak Phase Transition in an Inert Complex Triplet Model

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arxiv 2103.00212 v2 pith:34D7ORWG submitted 2021-02-27 hep-ph gr-qc

classification hep-phgr-qc
keywords electroweakphasemodeltransitionfirst-ordergravitationaltripletwaves
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

We study the dynamics of electroweak phase transition in a simple extension of the Standard Model where the Higgs sector is extended by adding an $SU(2)_L$-triplet with hypercharge Y=2. By making random scans over the parameters of the model, we show that there are regions consistent with constraints from collider experiments and the requirement for a strong first-order electroweak phase transition which is needed for electroweak baryogenesis. Further, we also study the power spectrum of the gravitational waves which can be generated due to the first-order phase transitions. Moreover, the detectability of these gravitational waves, via future space-based detectors, is discussed.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Multi-step Strong First-Order Electroweak Phase Transitions in the Inverted Type-I 2HDM: Parameter Space, Gravitational Waves, and Collider Phenomenology

    hep-ph 2025-06 conditional novelty 7.0 of 10

    In the inverted Type-I 2HDM, one-step and two-step strong first-order electroweak phase transitions live in largely separate parameter regions, and LISA-detectable gravitational wave signals come predominantly from th...

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