Anisotropy Studies with the Pierre Auger Observatory

Anisotropy vs chemical composition at ultra-high energies

Annihilation emission from young supernova remnants

Anomalous Longitudinal Shower Profiles and Hadronic Interactions

Anomalous Narrow-Line Quasars in the Sloan Digital Sky Survey

ANTARES and other Neutrino Telescopes in the Northern Hemisphere

Antares completed: First selected results

ANTARES: Status, first results and multi-messenger astronomy

Anti-correlated Soft Lags in the Intermediate State of Black Hole Source GX 339-4

Anti-correlated time lags in the Z source GX 5-1: Possible evidence for a truncated accretion disk

Anti-Correlation of the Near-Infrared and X-Ray Variations of the Microquasar GRS 1915+105 in Soft State

Antimatter production in supernova remnants

Antimatter spectra from a time-dependent modeling of supernova remnants

Antiproton Flux in Cosmic Ray Propagation Models with Anisotropic Diffusion

Antiprotons from dark matter annihilation in the Galaxy: astrophysical uncertainties

Antiprotons from Dark Matter: Effects of a Position-Dependent Diffusion Coefficient

Apart Cen A are UHECR mostly heavy radioactive and galactic nuclei?

Appearance of Jet-Driving Poynting Flux in Hot, Tenuous Accretion Disks Threaded by an Ordered Magnetic Field

Application of the Disk Evaporation Model to AGNs

Applications of muon signal to electromagnetic signal showers universality for mass composition and hadronic interactions studies