Status of the GAMMA-400 project |
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| Authors: | AM Galper O Adriani RL Aptekar IV Arkhangelskaja AI Arkhangelskiy M Boezio V Bonvicini KA Boyarchuk YuV Gusakov MO Farber MI Fradkin VA Kachanov VA Kaplin MD Kheymits AA Leonov F Longo P Maestro P Marrocchesi EP Mazets E Mocchiutti AA Moiseev N Mori I Moskalenko PYu Naumov P Papini P Picozza VG Rodin MF Runtso R Sparvoli P Spillantini SI Suchkov M Tavani NP Topchiev A Vacchi E Vannuccini YuT Yurkin N Zampa VG Zverev |
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| Institution: | 1. Lebedev Physical Institute, Russian Academy of Sciences – Leninskii pr. 53, RU-119991 Moscow, Russia;2. National Research Nuclear University MEPhI – Kashirskoe sh. 31, RU-115409 Moscow, Russia;3. Istituto Nazionale di Fisica Nucleare, Sezione di Firenze and Physics Department of University of Florence, Via Sansone 1, I-50019 Sesto Fiorentino (Firenze), Italy;4. Ioffe Physical Technical Institute, Russian Academy of Sciences – ul. Polytekhnicheskaya 26, RU-194021 St. Petersburg, Russia;5. Istituto Nazionale di Fisica Nucleare, Sezione di Trieste – Padriciano 99, I-34012 Trieste, Italy;6. Open Joint Stock Company “Research Institute for Electromechanics” –ul. Panfilova 11, RU-143502 Istra, Moscow region, Russia;g Institute for High Energy Physics – ul. Pobedy 1, RU-142281 Protvino, Moscow region, Russia;h Istituto Nazionale di Fisica Nucleare, Sezione di Pisa and Physics Department of University os Siena, Via Roma 56, I-53100 Siena, Italy;i NASA Goddard Space Flight Center and CRESST/University of Maryland, Greenbelt, Maryland 20771, USA;j Hansen Experimental Physics Laboratory and Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, Stanford, CA 94305, USA;k Istituto Nazionale di Fisica Nucleare, Sezione di Roma 2 and Physics Department of University of Rome “Tor Vergata” – Via della Ricerca Scientifica 1, I-00133 Rome, Italy;l Space Research Institute, Russian Academy of Sciences – ul. Profsoyuznaya 84/32, RU-117997 Moscow, Russia;m Istituto Nazionale di Astrofisica – IASF and Physics Department of University of Rome “Tor Vergata”, Via della Ricerca Scientifica 1, I-00133 Rome, Italy |
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| Abstract: | The preliminary design of the new space gamma-ray telescope GAMMA-400 for the energy range 100 MeV–3 TeV is presented. The angular resolution of the instrument, 1–2° at Eγ ∼ 100 MeV and ∼0.01° at Eγ > 100 GeV, its energy resolution ∼1% at Eγ > 100 GeV, and the proton rejection factor ∼106 are optimized to address a broad range of science topics, such as search for signatures of dark matter, studies of Galactic and extragalactic gamma-ray sources, Galactic and extragalactic diffuse emission, gamma-ray bursts, as well as high-precision measurements of spectra of cosmic-ray electrons, positrons, and nuclei. |
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| Keywords: | Cosmic rays Gamma rays Electrons Positrons Nuclei |
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