Astrofísicas: Rayos cósmicos

  • Publicación
    Sensitivity of the Cherenkov Telescope Array to spectral signatures of hadronic PeVatrons with application to Galactic Supernova Remnants
    The local Cosmic Ray (CR) energy spectrum exhibits a spectral softening at energies around 3 PeV. Sources which are capable of accelerating hadrons to such...
  • Publicación
    Sites for Gamma-ray Astronomy in Argentina
    We have searched for possible sites in Argentina for the installation of large air Cherenkov telescope arrays and water Cherenkov systems. At present seven...
  • Publicación
    Solar irradiance, cosmic rays and cloudiness over daily timescales
    Although over centennial and greater timescales solar variability may be one of the most influential climate forcing agents, the extent to which solar activity...
  • Publicación
    Study of the GeV to TeV morphology of the γ Cygni SNR (G 78.2+2.1) with MAGIC and Fermi-LAT. Evidence for cosmic ray escape
    Context. Diffusive shock acceleration (DSA) is the most promising mechanism that accelerates Galactic cosmic rays (CRs) in the shocks of supernova remnants...
  • Publicación
    The Blazar TXS 0506+056 Associated with a High-energy Neutrino: Insights into Extragalactic Jets and Cosmic-Ray Acceleration
    A neutrino with energy ˜290 TeV, IceCube-170922A, was detected in coincidence with the BL Lac object TXS 0506+056 during enhanced gamma-ray activity, with...
  • Publicación
    The JEM-EUSO instrument
    In this paper we describe the main characteristics of the JEM-EUSO instrument. The Extreme Universe Space Observatory on the Japanese Experiment Module (JEM...
  • Charla
    The JEM-EUSO Space Mission for the Extreme Universe: Frontier Astroparticle Physics @ ZeV energy range from Space.
    The Extreme Universe Space Observatory (EUSO) Space Program on the International Space Station (ISS) is the first space-based mission worldwide in the field of...
  • Charla
    The PAMELA space mission for antimatter and dark matter searches in cosmic rays
    New results on the antiproton-to-proton and positron-to-all electron ratios over a wide energy range (1 – 100 GeV) have been obtained by the PAMELA mission...
  • Publicación
    The reflection nebula around HD 26676
    The gaseous component of the reflection nebula surrounding HD 26676 is investigated by comparing the UV spectrum of the star with that of the foreground star HD...