Title: Science with e-ASTROGAM (A space mission for MeV-GeV gamma-ray astrophysics),
Abstract: e-ASTROGAM (enhanced ASTROGAM) is a breakthrough Observatory space mission,
with a detector composed by a Silicon tracker, a calorimeter, and an
anticoincidence system, dedicated to the study of the non-thermal Universe in
the photon energy range from 0.3 MeV to 3 GeV - the lower energy limit can be
pushed to energies as low as 150 keV for the tracker, and to 30 keV for
calorimetric detection. The mission is based on an advanced space-proven
detector technology, with unprecedented sensitivity, angular and energy
resolution, combined with polarimetric capability. Thanks to its performance in
the MeV-GeV domain, substantially improving its predecessors, 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 the surroundings. With a
line sensitivity in the MeV energy range one to two orders of magnitude better
than previous generation instruments, e-ASTROGAM 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 LISA.