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Speaker |
Tluczykont, Martin |
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Coauthors |
The TAIGA collaboration |
| Talk Title |
TeV to PeV gamma-ray astronomy with TAIGA |
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Abstract |
The gamma-ray sky in the multi-TeV to PeV energy range is so far only poorly covered, and the accelerators of the highest energy Galactic cosmic rays, the Pevatrons, are yet to be identified. Sensitive gamma-ray observations beyond 10 TeV, up to several 100 TeV) are essential, requiring a very large instrumented area (few square km). The international TAIGA (Tunka Advanced Instrument for cosmic ray physics and Gamma ray Astronomy) experiment aims at covering this energy range using a combination of different detection techniques. Widely spaced wide-angle imaging air Cherenkov telescopes (IACTs) are combined with a Cherenkov light shower front sampling timing array, and with muon particle detectors. A novel hybrid reconstruction technique is used, combining telescope images with the timing and amplitude information from the timing array. This approach allows to maximize the effective area and simultaneously to reach a good gamma-hadron separation at low energies (few TeV). The muon detectors improve the gamma-hadron separation at higher energies. This presentation covers the TAIGA detectors, the hybrid reconstruction technique, and the current status of TAIGA. |
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