Design and Performance of the GAMMA-400 Gamma-Ray Telescope for the Dark Matter Searches
- A. M. Galper
- O. Adriani
- R. L. Aptekar
- I. V. Arkhangelskaja4 A. I. Arkhangelskiy
- M. Boezio
- V. Bonvicini
- K. A. Boyarchuk
- M. I. Fradkin
- Yu. V. Gusakov
- V. A. Kaplin
- V. A. Kachanov
- M. D. Kheymits
- A. A. Leonov
- F. Longo
- E. P. Mazets
- P. Maestro
- P. Marrocchesi
- I. A. Mereminskiy
- V. V. Mikhailov
- A. A. Moiseev
- E. Mocchiutti
- N. Mori
- I. V. Moskalenko
- P. Yu. Naumov
- P. Papini
- P. Picozza
- V. G. Rodin
- M. F. Runtso
- R. Sparvoli
- P. Spillantini
- S. I. Suchkov
- M. Tavani
- N. P. Topchiev
- A. Vacchi
- E. Vannuccini
- Yu. T. Yurkin
- N. Zampa
- V. G. Zverev
- and V. N. Zirakashvili
DOIAbstract
The GAMMA-400 gamma-ray telescope is designed to measure the fluxes of gamma-rays and cosmic-ray electrons + positrons, which can be produced by annihilation or decay of the dark matter particles, as well as to survey the celestial sphere in order to study point and extended sources of gamma-rays, measure energy spectra of Galactic and extragalactic diffuse gamma-ray emission, gamma-ray bursts, and gamma-ray emission from the Sun. GAMMA-400 covers the energy range from 100 MeV to 3000 GeV. Its angular resolution is 3c0.01\ub0 (E\u3b3 > 100 GeV), the energy resolution 3c1% (E\u3b3 > 10 GeV), and the proton rejection factor 3c106. GAMMA-400 will be installed on the Russian space platform Navigator. The beginning of observations is planned ...
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