Gravitational Wave Signatures of Lepton Universality Violation
Bartosz Fornal
TL;DR
This paper explores how gravitational waves from early universe phase transitions could serve as a new way to investigate lepton universality violation observed in B meson decays, focusing on the Left-Right SU(4) Model.
Contribution
It proposes a novel method to detect flavor anomalies via gravitational wave signatures linked to specific symmetry breaking scales in the Left-Right SU(4) Model.
Findings
Multipeaked gravitational wave signatures are predicted.
Upcoming detectors could observe these gravitational waves.
Hierarchy of symmetry breaking scales influences the wave signatures.
Abstract
We analyze the prospects for using gravitational waves produced in early universe phase transitions as a complementary probe of the flavor anomalies in B meson decays. We focus on the Left-Right SU(4) Model, for which the strength of the observed lepton universality violation and consistency with other experiments impose a vast hierarchy between the symmetry breaking scales. This leads to a multipeaked gravitational wave signature within the reach of upcoming gravitational wave detectors.
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