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Probing the Electroweak Sphaleron with Gravitational Waves

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arxiv 1910.00234 v1 pith:FDDIQFHO submitted 2019-10-01 hep-ph astro-ph.COhep-th

classification hep-phastro-ph.COhep-th
keywords sphaleronelectroweakgravitationalphasetransitionenergytemperaturewave
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We present the relation between the sphaleron energy and the gravitational wave signals from a first order electroweak phase transition. The crucial ingredient is the scaling law between the sphaleron energy at the temperature of the phase transition and that at zero temperature. We estimate the baryon number preservation criterion, and observe that for a sufficiently strong phase transition, it is possible to probe the electroweak sphaleron using measurements of future space-based gravitational wave detectors.

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Cited by 5 Pith papers

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

  1. An Effective Sphaleron Awakens

    hep-ph 2025-06 conditional novelty 7.0 of 10

    A consistent 3D EFT computation of the Higgs phase sphaleron rate yields universal baryon preservation bounds x ≈ 0.025 (strong) and x ≈ 0.036 (weak), and shows two-loop corrections eliminate strong one-step transitio...

  2. RGE effects on new physics searches via gravitational waves

    hep-ph 2025-05 conditional novelty 6.0 of 10

    Future GW experiments retain sensitivity to several SMEFT operators despite renormalization scale uncertainties, provided the leading (H†H)^3 operator is measured by colliders.

  3. Electroweak phase transition with composite Higgs models: calculability, gravitational waves and collider searches

    hep-ph 2019-09 conditional novelty 6.0 of 10

    A strong first-order electroweak phase transition is impossible in SO(6)/SO(5) composite Higgs models under the minimal Higgs potential hypothesis, and requires undetermined UV operator contributions, as shown in a 6+...

  4. Electroweak Baryogenesis: Advances in Sphaleron Rate Calculations and Implications of Thermal Phase Transitions

    hep-ph 2026-07 conditional novelty 5.0 of 10

    Sphaleron rates can be computed gauge-invariantly in 3D thermal EFT, yielding a new baryon-washout criterion x = lambda3/g3^2 that replaces v_c/T_c > 1 for electroweak baryogenesis.

  5. Electroweak phase transition in SMEFT: Gravitational wave and collider complementarity

    hep-ph 2025-12 conditional novelty 5.0 of 10

    Strong first-order electroweak phase transitions in dimension-6 SMEFT can be probed by future gravitational wave detectors and by di-Higgs production at the HL/HE-LHC, with correlated sensitivity regions.

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