PoS - Proceedings of Science
Volume 395 - 37th International Cosmic Ray Conference (ICRC2021) - CRD - Cosmic Ray Direct
Characterization of a prototype imaging calorimeter for the Advanced Particle-astrophysics Telescope from an Antarctic balloon flight and CERN beam test
Z. Hughes*, Y. Akaike, R.G. Bose, W.R. Binns, D.L. Braun, J. Buckley, J. Buhler, E. Burns, R.D. Chamberlain, W. Chen, M.L. Cherry, L. Di Venere, M. Errando, S. Funk, F. Giordano, J. Hoffman, D. Huth, J. Krizmanic, M. Kuwahara, F. Licciulli, G. Liu, M.N. Mazziotta, J.W. Mitchell, G.A. De Nolfo, S. Nutter, R. Paoletti, R. Pillera, B.F. Rauch, D. Serini, G.E. Simburger, M. Sudvarg, G. Varner, E.A. Wulf, A. Zink and W. Zoberet al. (click to show)
Full text: pdf
Pre-published on: July 06, 2021
Published on:
We report the results and accompanying analysis methods from field-testing calorimeter prototypes for the Advanced Particle-astrophysics Telescope (APT) during the 2019 austral Antarctic balloon season and during a 2018 CERN beam test. The Advanced Particle-astrophysics Telescopeis a proposed space-based gamma- and cosmic-ray instrument that utilizes a novel dispersed imaging calorimeter for both particle tracking and energy reconstruction. The imaging CsI calorimeter (ICC) consists of a CsI:Na scintillator read out by (WLS) fibers in both the x- and y-planes. To function both as a gamma-ray and cosmic-ray instrument APT must operate over a large dynamic range, from the single photon-election regime for low energy gamma-ray events to electronics-saturating cosmic-ray events. Analysis from a 150 mm x 150 mm calorimeter prototype accompanying the 2019 SuperTIGER-2.3 flight demonstrates successful event reconstruction from the long scintillation tail of saturating cosmic-ray events by utilizing the deep memory depth available to the TARGET readout electronics. Spatial reconstruction of events are performed using a two-sided Voigt profile and show position localization within the imaging calorimeter plane to less than 3 WLS fiber widths. Charge resolution was evaluated on a 50 mm x 50 mm prototype placed in the 150 GeV/nuc, A/Z = 2.2 CERN SPS beam line. Nuclei were tagged using HNX silicon-strip detectors and allowed for fragmentation cuts in the data. The vastly saturating signals were reconstructed from the CsI:Na scintillation tail and show an APT charge resolution up to Z = 11 (with experimental limitations preventing full evaluation for Z larger 11) and linearity in the CsI:Na signal response up to lead.
DOI: https://doi.org/10.22323/1.395.0137
How to cite

Metadata are provided both in "article" format (very similar to INSPIRE) as this helps creating very compact bibliographies which can be beneficial to authors and readers, and in "proceeding" format which is more detailed and complete.

Open Access
Creative Commons LicenseCopyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.