High-energy gamma-ray studying with GAMMA-400 after Fermi-LAT

被引:9
|
作者
Topchiev, N. P. [1 ]
Galper, A. M. [1 ,2 ]
Bonvicini, V. [3 ]
Adriani, O. [4 ]
Arkhangelskaja, I. V. [2 ]
Arkhangelskiy, A. I. [2 ]
Bakaldin, A. V. [5 ]
Bobkov, S. G. [5 ]
Boezio, M. [3 ]
Dalkarov, O. D. [1 ]
Egorov, A. E. [1 ]
Gorbunov, M. S. [5 ]
Gusakov, Yu V. [1 ]
Hnatyk, B. I. [6 ]
Kadilin, V. V. [2 ]
Kaplin, V. A. [2 ]
Kheymits, M. D. [2 ]
Korepanov, V. E. [7 ]
Leonov, A. A. [1 ,2 ]
Longo, F. [3 ]
Mikhailov, V. V. [2 ]
Mocchiutti, E. [3 ]
Moiseev, A. A. [8 ,9 ]
Moskalenko, I. V. [10 ,11 ]
Naumov, P. Yu [2 ]
Picozza, P. [12 ,13 ]
Runtso, M. F. [2 ]
Serdin, O. V. [5 ]
Sparvoli, R. [12 ,13 ]
Spillantini, P. [4 ]
Stozhkov, Yu I. [1 ]
Suchkov, S. I. [1 ]
Taraskin, A. A. [2 ]
Tavani, M. [13 ,14 ]
Yurkin, Yu T. [2 ]
Zverev, V. G. [1 ]
机构
[1] Russian Acad Sci, Lebedev Phys Inst, Leninskiy Pr 53, Moscow 119991, Russia
[2] Natl Res Nucl Univ MEPhI, Moscow Engn Phys Inst, Kashirskoe Highway 31, Moscow 115409, Russia
[3] Ist Nazl Fis Nucl, Sez Trieste, Via Valerio 2, I-34127 Trieste, Italy
[4] Ist Nazl Fis Nucl, Sez Firenze, Via G Sansone 1, I-50019 Florence, Italy
[5] Russian Acad Sci, Sci Res Inst Syst Anal, Fed State Inst, Nakhimovskiy Pr 36, Moscow 117218, Russia
[6] Taras Shevchenko Natl Univ, Volodymyrska St 64-13, UA-01601 Kiev, Ukraine
[7] Lviv Ctr Inst Space Res, Naukova St 5-A, Lvov, Ukraine
[8] NASA, GSFC, CRESST, Greenbelt, MD 20771 USA
[9] NASA, GSFC, Astroparticle Phys Lab, Greenbelt, MD 20771 USA
[10] Stanford Univ, Dept Phys, Kavli Inst Particle Astrophys & Cosmol, Hansen Expt Phys Lab, Stanford, CA 94305 USA
[11] Stanford Univ, SLAC Natl Accelerator Lab, Stanford, CA 94305 USA
[12] Univ Roma Tor Vergata, Ist Nazl Fis Nucl, Sez Roma 2, Via Ric Sci 1, I-00133 Rome, Italy
[13] Univ Roma Tor Vergata, Phys Dept, Via Ric Sci 1, I-00133 Rome, Italy
[14] Univ Roma Tor Vergata, Ist Nazl Astrofis, Via Ric Scient 1, I-00133 Rome, Italy
关键词
TELESCOPE;
D O I
10.1088/1742-6596/798/1/012011
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Fermi-LAT has made a significant contribution to the study of high-energy gamma ray diffuse emission and the observation of similar to 3000 discrete sources. However, one third of all gamma-ray sources (both galactic and extragalactic) are unidentified, the data on the diffuse gamma-ray emission should be clarified, and signatures of dark matter particles in the highenergy gamma-ray range are not observed up to now. GAMMA-400, currently developing gamma-ray telescope, will have the angular (similar to 0.01 degrees at 100 GeV) and energy (similar to 1% at 100 GeV) resolutions in the energy range of 10-1000 GeV better than the Fermi-LAT (as well as ground gamma-ray telescopes) by a factor of 5-10 and observe some regions of the Universe (such as Galactic Center, Fermi Bubbles, Crab, Cygnus, etc.) in the highly elliptic orbit (without shading the telescope by the Earth) continuously for a long time. It will permit to identify many discrete sources, to clarify the structure of extended sources, to specify the data on the diffuse emission, and to resolve gamma rays from dark matter particles.
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页数:6
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