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Muon calibration of the ASTRI-Horn telescope: preliminary results

Journal
Date Issued
2019
Author(s)
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IMPIOMBATO, Domenico
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Abstract
Astri-Horn is a Small-Sized Telescope (SST) for very-high energy gamma-ray astronomy installed in Italy at the INAF "M.C. Fracastoro" observing station (Mt. Etna, Sicily). The ASTRI-Horn telescope is characterized by a dual-mirror optical system and a curved focal surface covered by SiPM sensors managed by a innovative fast front-end electronics. Dedicated studies were performed to verify the feasibility of the calibration through muons on the relatively small size of the primary mirror (~4 m diameter), as in the case of larger Cherenkov telescopes. A number of tests were performed using simulations of the atmospheric showers with the CORSIKA package and of the telescope response with a dedicated simulator. In this contribution we present a preliminary analysis of muon events detected by ASTRI-Horn during the regular scientific data taking performed in December 2018 and March 2019. These muon events validate the results obtained with the simulations and definitively confirm the feasibility of calibrating the ASTRI-Horn SST telescope with muons.
Coverage
36th International Cosmic Ray Conference (ICRC2019)
Volume
358
Conferenece
36th International Cosmic Ray Conference (ICRC2019)
Conferenece place
Madison, WI, U.S.A
Conferenece date
July 24th-August 1st, 2019
Uri
Url
Issn Identifier
1824-8039
Ads BibCode
2019ICRC...36..744M
Rights
open.access
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