Volume 501 - 39th International Cosmic Ray Conference (ICRC2025) - Gamma-Ray Astrophysics
Hybrid concept of detection for a wide-field gamma-ray observatory using Cherenkov telescopes
A. Bakalova*, R. Conceição, L. Gibilisco, M. Pimenta, B. Tomé, P. Čechvala, J. Jurysek, V. Novotný, J. Vicha,  The SST-1M Collaboration, A. Araudo, C.M. Alispach, M. Balbo, V. Beshley, J. Blazek, J. Borkowski, S. Boula, T. Bulik, F. Cadoux, S. Casanova, A. Christov, J. Chudoba, L. Chytka, P. Dedic, Y. Favre, M. Garczarczyk, L. Gibaud, T. Gieras, E. Glowacki, P. Hamal, M. Heller, M. Hrabovsky, P. Janecek, M. Jelinek, V. Jilek, V. Karas, B. Lacave, É. Lyard, E. Mach, D. Mandat, S. Michal, J. Michalowksi, M. Miron, R. Moderski, T. Montaruli, S.R. Muthyala, A. Muraczewski, A.L. Muller, K. Nalewajski, A. Nagai, D. Neise, J. Niemiec, M. Nikolajuk, M. Palatka, M. Pech, M. Prouza, P. Schovanek, V. Sliusar, L. Stawarz, R. Sternberger, M. Stodulska, J. Strobl, P. Swierk, J. Świerblewski, T. Tavernier, P. Travnicek, M. Ostrowski, I. Troyano Pujadas, D. della Volpe, R. Walter, W. Marek and K. Ziȩtaraet al. (click to show)
*: corresponding author
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Pre-published on: September 23, 2025
Published on: —
Abstract
The hybrid detection approach in astroparticle physics has been successfully employed in cosmic-ray experiments and is currently being explored by gamma-ray observatories like LHAASO. We present a study on the hybrid detection concept for the future Southern Wide-field Gamma-ray Observatory (SWGO), integrating multiple Cherenkov telescopes represented in the analysis by Single-Mirror Small-Size imaging atmospheric Cherenkov Telescopes (SST-1M) located next to the surface array of water Cherenkov detectors (WCDs). We discuss the mutual benefits of this hybrid approach and present simulation-based results on key performances. Our findings points to the fact that the combination of wide field-of-view and continuous operation of WCDs with the high angular and energy resolution of Cherenkov telescopes could significantly improve the overall detection capabilities of the SWGO experiment.
DOI: https://doi.org/10.22323/1.501.0558
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