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5 papers
Gravitational waves from primordial black holes passing by neutron stars: observational prospects for the Galactic center
Nicolas Esser, Juan GarcÃa-Bellido, Peter Tinyakov
We investigate the gravitational wave (GW) signals emitted by planetary-mass primordial black holes (PBHs) passing nearby or traversing neutron stars (NSs). While previous studies…
UHECR deflections in the coherent Galactic magnetic field
Alexander Korochkin, Dmitri Semikoz, Peter Tinyakov
We study the deflections of ultra-high-energy cosmic rays in several widely used models of the coherent Galactic magnetic field (GMF), including PT11 (Pshirkov et al. [1]), JF12 (J…
Bright Cosmic-Ray Source as a Solution to Auger-TA Tensions
Alexander Korochkin, Dmitri Semikoz, Peter Tinyakov
The ultra-high-energy cosmic ray (UHECR) spectra measured by the Pierre Auger Observatory (Auger) and the Telescope Array (TA) agree very well below eV but differ signi…
Constraints on asteroid-mass primordial black holes in dwarf galaxies using Hubble Space Telescope photometry
Nicolas Esser, Carrie Filion, Sven De Rijcke +4
Primordial black holes (PBHs) in the asteroid-mass range remain a viable and until now unconstrained dark matter (DM) candidate. If such PBHs exist, they could be captured by stars…
The coherent magnetic field of the Milky Way halo, Local Bubble and Fan Region
Alexander Korochkin, Dmitri Semikoz, Peter Tinyakov
Recent catalog of Faraday rotation measures (RM) of extragalactic sources together with the synchrotron polarization data from WMAP and Planck provides us with a wealth of informat…