Probing the Scale of New Physics by Advanced LIGO/VIRGO
P. S. Bhupal Dev, A. Mazumdar

TL;DR
This paper explores how gravitational wave detectors like LIGO/VIRGO can potentially detect signals from high-energy phase transitions beyond the Standard Model, providing insights into new physics scales such as Peccei-Quinn and supersymmetry breaking.
Contribution
It demonstrates that gravitational wave observations can probe new physics associated with first-order phase transitions at energies around 10^7-10^8 GeV, linking cosmological signals to particle physics models.
Findings
Stochastic gravitational waves from high-energy phase transitions are within LIGO/VIRGO sensitivity.
Peak frequency of these gravitational waves corresponds to the energy scale of the phase transition.
Potential to constrain or discover new physics scenarios like Peccei-Quinn and supersymmetry breaking.
Abstract
We show that if the new physics beyond the Standard Model is associated with a first-order phase transition around GeV, the energy density stored in the resulting stochastic gravitational waves and the corresponding peak frequency are within the projected final sensitivity of the advanced LIGO/VIRGO detectors. We discuss some possible new physics scenarios that could arise at such energies, and in particular, the consequences for Peccei-Quinn and supersymmetry breaking scales.
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