Ultra-high-energy (UHE,> 0.1 PeV) γ-ray astronomy is rapidly evolving into an expanding
branch of γ-ray astronomy with the surprising discovery of 12 PeVatrons and the detection of …

Abstract The ASTRI (Astrofisica con Specchi a Tecnologia Replicante Italiana) Project led by
the Italian National Institute for Astrophysics (INAF) is developing and will deploy at the …

Linelike features in TeV γ rays constitute a “smoking gun” for TeV-scale particle dark matter
and new physics. Probing the Galactic Center region with ground-based Cherenkov …

Ultrarelativistic particles called cosmic rays permeate the Milky Way, propagating through
the turbulent Galactic magnetic fields. The mechanisms under which these particles …

The Galactic plane, harboring a diffuse neutrino flux, is a particularly interesting target in
which to study potential cosmic-ray acceleration sites. Recent gamma-ray observations by …

Black holes can be produced in collapse of small-scale dark matter structures, which can
happen at any time from the early to present-day Universe. Microstructure black holes …

Aims. The identification of PeVatrons, hadronic particle accelerators reaching the knee of the
cosmic ray spectrum (few× 10 15 eV), is crucial to understand the origin of cosmic rays in the …

We use HESS γ-ray observations of Sgr A* to derive novel limits on the Dark Matter (DM)
annihilation cross-section. We quantify their dependence on uncertainties i) in the DM halo …

Identifying the Milky Way's very high energy hadronic cosmic-ray accelerators—the
PeVatrons—is a critical problem. While gamma-ray observations reveal promising candidate …

Black holes may form in present-day collapse of microscopic structures of dark matter. We
show that, if microstructure black holes (MSBH) with mass m∼ 10 13 g are produced, the …