The e-ASTROGAM mission (exploring the extreme Universe with gamma rays in the MeV-GeV range)

Abstract

e-ASTROGAM (`enhanced ASTROGAM') is a breakthrough Observatory mission dedicated to the study of the non-thermal Universe in the photon energy range from 0.3 MeV to 3 GeV. The mission is based on an advanced space-proven detector technology, with unprecedented sensitivity, angular and energy resolution, combined with polarimetric capability. In the largely unexplored MeV-GeV domain, e-ASTROGAM will open a new window on the non-thermal Universe, making pioneering observations of the most powerful Galactic and extragalactic sources, elucidating the nature of their relativistic outflows and their effects on Galactic ecosystems. With a line sensitivity in the MeV energy range one to two orders of magnitude better than previous generation instruments, will determine the origin of key isotopes fundamental for the understanding of supernova explosion and the chemical evolution of our Galaxy. The mission will provide unique data of significant interest to a broad astronomical community, complementary to powerful observatories such as LIGO-Virgo-GEO600-KAGRA, SKA, ALMA, E-ELT, TMT, LSST, JWST, Athena, CTA, IceCube, KM3NeT, and the promise of eLISA. Keywords: High-energy gamma-ray astronomy, High-energy astrophysics, Nuclear Astrophysics, Compton and Pair creation telescope, Gamma-ray bursts, Active Galactic Nuclei, Jets, Outflows, Multiwavelength observations of the Universe, Counterparts of gravitational waves, Fermi, Dark Matter, Nucleosynthesis, Early Universe, Supernovae, Cosmic Rays, Cosmic antimatter.

arXiv commentExp Astron (2017)

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• The Anti-Coincidence Detector for the GLAST Large Area Telescope
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• XMM-Newton (cross)-calibration
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• Propagation in 3D spiral-arm cosmic-ray source distribution models and secondary particle production using PICARD
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• The radiation environment in a Low Earth Orbit: the case of BeppoSAX
• Balloon Flight Test of a Compton Telescope Based on Scintillators with Silicon Photomultiplier Readouts
• BoGEMMS: the Bologna Geant4 multi-mission simulator
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• Split SIMPs with Decays
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• High-energy neutrino emission associated with gravitational-wave signals: effects of cocoon photons and constraints on late-time emission
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• Development of a CsI Calorimeter for the Compton-Pair (ComPair) Balloon-Borne Gamma-Ray Telescope
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