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hep-ph2025
The Heavy Dark Photon Handbook: Cosmological and Astrophysical Bounds
Andrea Caputo, Jaeyoung Park, Seokhoon Yun
We investigate cosmological and astrophysical constraints on dark photons with masses - MeV. These dark photons can be copiously produced either in the early un…
hep-ph2025
Cooling the Shock: New Supernova Constraints on Dark Photons
Andrea Caputo, Hans-Thomas Janka, Georg Raffelt +1
During the accretion phase of a core-collapse supernova (SN), dark-photon (DP) cooling can be largest in the gain layer below the stalled shock wave. In this way, it could counter-…