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472 papers · 1 filter
Axions at the meV Crossroads: Theory, Cosmology, Astrophysics, and Experiments
Michele Cicoli, Francesco D'Eramo, Luca Di Luzio +18
The meV mass range has emerged as a focal point in axion physics, where advances in theory, cosmology, astrophysics, and experimental techniques converge. Axions in this mass range…
Probing invisible particles with charm
Gudrun Hiller, Dominik Suelmann
We point out opportunities to probe invisible particles, left- and right-handed neutrinos, axion-like particles (ALPs) and dark photons with rare decays of charm hadro…
Stripped-Envelope Supernovae for QCD Axion Detection
Francisco R. Candón, Damiano F. G. Fiorillo, Ángel Gil Muyor +3
QCD axions would be copiously produced in the proto-neutron star formed in a core-collapse supernova (SN). After escaping, they would convert into gamma rays in the Galactic magnet…
Direct detection of solar chameleons with electron recoil data from XENONnT
Guan-Wen Yuan, Anne-Christine Davis, Maurizio Giannotti +3
We reassess prospects for direct detection of solar chameleons, in light of recent progress in modeling their production, and the availability of new XENONnT data. We show that the…
Small Progenitors, Large Couplings: Type Ic Supernova Constraints on Radiatively Decaying Particles
Francisco R. Candón, Damiano F. G. Fiorillo, Hans-Thomas Janka +2
Supernova (SN) 1987A provides classic bounds on gamma-ray flashes from the radiative decay of sub-GeV particles, but the latter may decay so rapidly as to be shielded by the stella…
New opportunities for rare charm from decays
Angelo Di Canto, Tabea Hacheney, Gudrun Hiller +4
We analyze the potential of rare charm decays as probes of new physics at a high-luminosity flavor facility operating at the pole, such as the FCC-ee or CEPC. In particular, we…