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hep-ph2025
Reconciling ALP Dark Matter and Electroweak Baryogenesis through First-Order Electroweak Phase Transition
Dipendu Bhandari, Soumen Kumar Manna, Arunansu Sil
We show that an axionlike particle (ALP) can simultaneously generate the baryon asymmetry and constitute dark matter through dynamics triggered by a first-order electroweak phase t…
hep-ph2025
Impact of First-order Electroweak Phase Transition on QCD Axion
Dipendu Bhandari, Soumen Kumar Manna, Arunansu Sil
The QCD axion addresses the strong CP problem and dark matter via the misalignment mechanism, typically requiring a decay constant GeV), unless the in…
hep-ph2025
Exploring Leptogenesis in the Era of First Order Electroweak Phase Transition
Dipendu Bhandari, Arunansu Sil
We present a novel approach for implementing baryogenesis via leptogenesis at low scale within neutrino seesaw framework where a sufficient lepton asymmetry can be generated via ou…