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Gamma-ray Astrophysics in the MeV Range: the ASTROGAM Concept and Beyond

De Angelis, A; Tatischeff, V; Argan, A; Brandt, S; Bulgarelli, A; Bykov, A; Costantini, E; ... Zoglauer, A; + view all (2021) Gamma-ray Astrophysics in the MeV Range: the ASTROGAM Concept and Beyond. Experimental Astronomy , 51 pp. 1225-1254. 10.1007/s10686-021-09706-y. Green open access

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Abstract

The energy range between about 100 keV and 1 GeV is of interest for a vast class of astrophysical topics. In particular, (1) it is the missing ingredient for understanding extreme processes in the multi-messenger era; (2) it allows localizing cosmic-ray interactions with background material and radiation in the Universe, and spotting the reprocessing of these particles; (3) last but not least, gamma-ray emission lines trace the formation of elements in the Galaxy and beyond. In addition, studying the still largely unexplored MeV domain of astronomy would provide for a rich observatory science, including the study of compact objects, solar- and Earth-science, as well as fundamental physics. The technological development of silicon microstrip detectors makes it possible now to detect MeV photons in space with high efficiency and low background. During the last decade, a concept of detector ("ASTROGAM") has been proposed to fulfil these goals, based on a silicon hodoscope, a 3D position-sensitive calorimeter, and an anticoincidence detector. In this paper we stress the importance of a medium size (M-class) space mission, dubbed "ASTROMEV", to fulfil these objectives.

Type: Article
Title: Gamma-ray Astrophysics in the MeV Range: the ASTROGAM Concept and Beyond
Open access status: An open access version is available from UCL Discovery
DOI: 10.1007/s10686-021-09706-y
Publisher version: https://doi.org/10.1007/s10686-021-09706-y
Language: English
Additional information: This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made.
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Space and Climate Physics
URI: https://discovery.ucl.ac.uk/id/eprint/10121864
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