Development of a SiPM camera for a schwarzschild-couder cherenkov telescope for the cherenkov telescope array

A. N. Otte, J. Biteau, H. Dickinson, S. Funk, T. Jogler, C. A. Johnson, P. Karn, K. Meagher, H. Naoya, T. Nguyen, A. Okumura, M. Santander, L. Sapozhnikov, A. Stier, H. Tajima, L. Tibaldo, J. Vandenbroucke, S. Wakely, A. Weinstein, D. A. Williams

Research output: Contribution to journalConference articlepeer-review

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Abstract

We present the development of a novel 11328 pixel silicon photomultiplier (SiPM) camera for use with a ground-based Cherenkov telescope with Schwarzschild-Couder optics as a possible medium-sized telescope for the Cherenkov Telescope Array (CTA). The finely pixelated camera samples air-shower images with more than twice the optical resolution of cameras that are used in current Cherenkov telescopes. Advantages of the higher resolution will be a better event reconstruction yielding improved background suppression and angular resolution of the reconstructed gamma-ray events, which is crucial in morphology studies of, for example, Galactic particle accelerators and the search for gamma-ray halos around extragalactic sources. Packing such a large number of pixels into an area of only half a square meter and having a fast readout directly attached to the back of the sensors is a challenging task. For the prototype camera development, SiPMs from Hamamatsu with through silicon via (TSV) technology are used. We give a status report of the camera design and highlight a number of technological advancements that made this development possible.

Original languageEnglish (US)
Article number1023
JournalProceedings of Science
Volume30-July-2015
StatePublished - 2015
Event34th International Cosmic Ray Conference, ICRC 2015 - The Hague, Netherlands
Duration: Jul 30 2015Aug 6 2015

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