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GAMMA-400 gamma-ray observatory

descriptionPublicationkeyboard_double_arrow_right Article , Preprint , Conference object , Other literature type 18 Aug 2016Embargo end date: 01 Jan 2015 Italy Publisher:Sissa MedialabJournal:Proceedings of The 34th International Cosmic Ray Conference — PoS(ICRC2015)

Authors: Topchiev, N. P.; Galper, A. M.; Bonvicini, V.; Adriani, O.; Aptekar, R. L.; Arkhangelskaja, I. V.; Arkhangelskiy, A. I.; +67 Authors

doi: 10.22323/1.236.1026 , 10.48550/arxiv.1507.06246

arXiv: http://arxiv.org/abs/1507.06246

handle: 11368/2965817 , 11365/1039739 , 11390/1126414

GAMMA-400 gamma-ray observatory

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Abstract

The GAMMA-400 gamma-ray telescope with excellent angular and energy resolutions is designed to search for signatures of dark matter in the fluxes of gamma-ray emission and electrons + positrons. Precision investigations of gamma-ray emission from Galactic Center, Crab, Vela, Cygnus, Geminga, and other regions will be performed, as well as diffuse gamma-ray emission, along with measurements of high-energy electron + positron and nuclei fluxes. Furthermore, it will study gamma-ray bursts and gamma-ray emission from the Sun during periods of solar activity. The energy range of GAMMA-400 is expected to be from ~20 MeV up to TeV energies for gamma rays, up to 20 TeV for electrons + positrons, and up to 10E15 eV for cosmic-ray nuclei. For high-energy gamma rays with energy from 10 to 100 GeV, the GAMMA-400 angular resolution improves from 0.1�� to ~0.01�� and energy resolution from 3% to ~1%; the proton rejection factor is ~5x10E5. GAMMA-400 will be installed onboard the Russian space observatory.

8 pages, 2 figures, 2 tables, submitted to the proceedings of ICRC2015

Country

Italy

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Keywords

Multidisciplinary, cosmic rays, FOS: Physical sciences, gamma-ray telescopes; dark matter; cosmic rays, Astrophysics - Instrumentation and Methods for Astrophysics, gamma-ray telescope, Instrumentation and Methods for Astrophysics (astro-ph.IM), dark matter

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