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Correlation of the highest-energy cosmic rays with the positions of nearby active galactic nuclei
The Pierre Auger Collaboration
Data collected by the Pierre Auger Observatory provide evidence for anisotropy in the arrival directions of the cosmic rays with the highest energies, which are correlated with the…
Dark matter's X-files
Alexander Kusenko
Sterile neutrinos with keV masses can constitute all or part of the cosmological dark matter. The electroweak-singlet fermions, which are usually introduced to explain the masses o…
Dark-matter sterile neutrinos in models with a gauge singlet in the Higgs sector
Kalliopi Petraki, Alexander Kusenko
Sterile neutrino with mass of several keV can be the cosmological dark matter, can explain the observed velocities of pulsars, and can play an important role in the formation of th…
Space-based research in fundamental physics and quantum technologies
S. G. Turyshev, U. E. Israelsson, M. Shao +12
Space-based experiments today can uniquely address important questions related to the fundamental laws of Nature. In particular, high-accuracy physics experiments in space can test…
Sterile neutrinos and structure formation
Jaroslaw Stasielak, Peter L. Biermann, Alexander Kusenko
Warm dark matter is consistent with the observations of the large-scale structure, and it can also explain the cored density profiles on smaller scales. However, it has been argued…
Thermal and chemical evolution of the primordial clouds in warm dark matter models with keV sterile neutrinos in one-zone approximation
Jaroslaw Stasielak, Peter L. Biermann, Alexander Kusenko
We follow the evolution of the baryonic top-hat overdensity in a single-zone approximation. Our goal is to juxtapose the evolution of the gas temperature in the primordial clouds i…