Prospects for joint reconstruction of imaging air Cherenkov Telescope array and extensive air shower array
arXiv:2402.11286 · doi:10.1016/j.jheap.2024.07.012
Abstract
In this paper we proposed a joint reconstruction of \gray events using both extensive air array (EAS) and Imaging air Cherenkov Telescope array (IACT). We considered eight Cherenkov telescopes to be built on the LHAASO (Large High Altitude Air Shower Observatory) site and investigate the improvement in differential sensitivity when combining the information from both IACT and Moun detectors of LHAASO-KM2A. We found that due to the higher cosmic ray background rejection power and higher gamma ray retention ratio provided by muon detectors of LHAASO, such a joint reconstruction can significantly improve the sensitivity of IACTs, especially for extended sources and long exposure time. In this article, we have shown the performance of an eight-telescopes mini array, and our results indicate that above , the sensitivity can be improved by muon detector from in different energy ranges.
6 pages, 6 figures, receiver by JHEAP
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