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Monte Carlo Simulations and Validation of NectarCAM, a Medium Sized Telescope Camera for CTA
Thomas P. Armstrong, Saptashwa BHATTACHARYYA, Barbara MARČUN, Judit PÉREZ ROMERO, Samo Stanič, Veronika VODEB, Serguei Vorobiov, Gabrijela ZAHARIJAS, Marko Zavrtanik, Danilo Zavrtanik, Miha Živec, 2021, published scientific conference contribution

Abstract: The upcoming Cherenkov Telescope Array (CTA) ground-based gamma-ray observatory will open up our view of the very high energy Universe, o˙ering an improvement in sensitivity of 5-10 times that of previous experiments. NectarCAM is one of the proposed cameras for the Medium-Sized Telescopes (MST) which have been designed to cover the core energy range of CTA, from 100 GeV to 10 TeV. The final camera will be capable of GHz sampling and provide a field of view of 8 degrees with its 265 modules of 7 photomultiplier each (for a total of 1855 pixels). In order to validate the performance of NectarCAM, a partially-equipped prototype has been constructed consisting of only the inner 61-modules. It has so far undergone testing at the integration test-bench facility in CEA Paris-Saclay (France) and on a prototype of the MST structure in Adlershof (Germany). To characterize the performance of the prototype, Monte Carlo simulations were conducted using a detailed model of the 61 module camera in the CORSIKA/sim_telarray framework. This contribution provides an overview of this work including the comparison of trigger and readout performance on test-bench data and trigger and image parameterization performance during on-sky measurements.
Keywords: Cherenkov Telescope Array, ground-based gamma-ray observatory, NectarCAM, Medium-Sized Telescopes
Published in RUNG: 18.09.2023; Views: 94; Downloads: 2
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Member of the evaluation committee in charge of awarding with the European mention the doctoral thesis of Dr. Ignacio Vegas Azcárate
Serguei Vorobiov, other performed works

Abstract: I cooperated with the Department of Applied Physics III, Faculty of Physics of the Universidad Complutense of Madrid, Spain, as a member of the evaluation committee in charge of awarding with the European mention the doctoral thesis of Dr. Ignacio Vegas Azcárate, entitled “Nanosecond range pulse generators for quality control and diagnosis of Cherenkov telescope cameras”.
Keywords: very-high energy gamma-ray astronomy, imaging atmospheric Cherenkov telescopes (IACTs), IACT camera quality control and diagnostics, nanosecond range pulse generators
Published in RUNG: 06.03.2018; Views: 3981; Downloads: 0
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