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Retainment of r-process material in dwarf galaxies
Paz Beniamini, Irina Dvorkin, Joe Silk
The synthesis of -process elements is known to involve extremely energetic explosions. At the same time, recent observations find significant -process enrichment even in extr…
Fermionic Light Dark Matter particles and the New Physics of Neutron Stars
M. Cermeño, M. Ángeles Pérez-García, Joseph Silk
Dark Matter constitutes most of the matter in the presently accepted cosmological model for our Universe. The extreme conditions of ordinary baryonic matter, namely high density an…
Exploring stellar evolution with gravitational-wave observations
Irina Dvorkin, Jean-Philippe Uzan, Elisabeth Vangioni +1
Recent detections of gravitational waves from merging binary black holes opened new possibilities to study the evolution of massive stars and black hole formation. In particular, s…
Dark matter line searches towards dwarf galaxies with H.E.S.S
Louise Oakes, Aion Viana, Emmanuel Moulin +7
High energy -rays are powerful probes in the search for annihilations of dark matter (DM) par- ticles in dense environments. In several DM particle models their annihilation pro…
Ultrahigh-energy cosmic rays from tidally-ignited white dwarfs
Rafael Alves Batista, Joseph Silk
Ultra-high-energy cosmic rays (UHECRs) can be accelerated by tidal disruption events of stars by black holes. We suggest a novel mechanism for UHECR acceleration wherein white dwar…