Monte Carlo Simulations and Validation of NectarCAM, a Medium Sized Telescope Camera for CTA
Thomas Armstrong, Heide Costantini, Jean-Fran\c{c}ois Glicenstein,, Jean-Philippe Lenain, Ullrich Schwanke, Thomas Tavernier (for the CTA, Consortium)

TL;DR
This paper presents Monte Carlo simulations and validation results for NectarCAM, a proposed gamma-ray telescope camera for CTA, demonstrating its performance through tests and detailed modeling of a prototype.
Contribution
It introduces a detailed Monte Carlo simulation framework for NectarCAM and validates its performance against test-bench and on-sky data.
Findings
Good agreement between simulations and test-bench data
Effective trigger and readout performance demonstrated
Successful image parameterization during on-sky tests
Abstract
The upcoming Cherenkov Telescope Array (CTA) ground-based gamma-ray observatory will open up our view of the very high energy Universe, offering 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…
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