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Cosmological time evolution of the Higgs mass and gravitational waves
We point out that gravitational wave detectors such as LISA have the potential of probing a cosmological time evolution of the Higgs boson self-coupling constant ? and thus the Higgs boson’s mass mH = v 2?v. The phase transition of the Standard Model could have been a first order one if the Higgs mass was below 72 GeV at a temperature T? = 100 GeV. Gravitational waves could thus have been produced during the electroweak phase transition. A discovery by LISA of a stochastic background of gravitational waves with a characteristic frequency k? = 10-5 Hz could be interpreted as a sign that the Higgs boson self-coupling constant was smaller in the past. This interpretation would be particularly tempting if the Large Hadron Collider did not discover any physics beyond the Standard Model by the time such waves are seen. The same mechanism could also account for baryogenesis.
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- Published
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- Accepted version
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International Journal of Modern Physics AISSN
0217-751XPublisher
World Scientific PublishingExternal DOI
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1-6Department affiliated with
- Physics and Astronomy Publications
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- Yes
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- Yes
Legacy Posted Date
2019-10-03First Open Access (FOA) Date
2021-02-04First Compliant Deposit (FCD) Date
2019-10-02Usage metrics
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