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hyperons in core-collapse supernovae: Equilibration and neutrino opacities
Ruben Zatini, Jorge Martin Camalich, Pasquale Dario Serpico +1
Strange hadrons are commonly included in dense-matter equation-of-state models by imposing chemical equilibrium, but the weak-interaction timescales required to establish it in cor…
Nuclei in high-energy neutrino sources: A multimessenger study of in-source propagation
AmirFarzan Esmaeili, Arman Esmaili, Pasquale Dario Serpico
The joint observation of astrophysical sources in gamma rays and neutrinos can provide invaluable insight into the physical conditions of the source, including its size, particle d…
Low-frequency radio telescopes sensitivity to light dark matter
Ruben Zatini, Francesca Calore, Pasquale Dario Serpico
Ground-based radio telescopes are routinely used to search for light dark matter (DM) candidates such as axion-like particles or dark photons. These instruments face however inhere…
Pair production with capture by energetic cosmic ray nuclei in a photon background
AmirFarzan Esmaeili, Arman Esmaili, Pasquale Dario Serpico
We investigate the ionization state of very energetic cosmic ray nuclei in photon fields, such as the cosmic microwave background (CMB) in extragalactic propagation and the environ…
A closer scrutiny of cosmic ray proton energy losses
AmirFarzan Esmaeili, Arman Esmaili, Pasquale Dario Serpico
The percent-level precision attained by modern cosmic ray (CR) observations motivates reaching a comparable or better control of theoretical uncertainties. Here we focus on energy-…
Comprehensive constraints on heavy sterile neutrinos from core-collapse supernovae
Pierluca Carenza, Giuseppe Lucente, Leonardo Mastrototaro +2
Sterile neutrinos with masses up to MeV can be copiously produced in a supernova (SN) core, through the mixing with active neutrinos. In this regard the SN 1987…