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hep-ph2026
Gravitational Waves from Dimension-6 Assisted Peccei - Quinn Phase Transitions
Nico Benincasa, Kristjan Müürsepp
We consider a simple model-independent extension of the minimal KSVZ axion model, augmenting the Peccei - Quinn effective potential with a dimension-6 operator invariant under the…
hep-ph2026
Conformal versus non-conformal two-Higgs-doublet model: phase transitions and gravitational waves
Nico Benincasa, Ji-Wei Li, Hanxiao Pu +4
In this work we investigate the CP-conserving two-Higgs-doublet model (2HDM) in two realizations: a classically conformal setup (C2HDM) and a non-conformal setup with explicit tree…