Results from the EPICAL-2 ultra-high granularity electromagnetic calorimeter prototype

  • A prototype of a new type of calorimeter has been designed and constructed, based on a silicon-tungsten sampling design using pixel sensors with digital readout. It makes use of the Alpide MAPS sensor developed for the ALICE ITS upgrade. A binary readout is possible due to the pixel size of ≈30×30μm2. This prototype has been successfully tested with cosmic muons and with test beams at DESY and the CERN SPS. We report on performance results obtained at DESY, showing good energy resolution and linearity, and compare to detailed MC simulations. Also shown are preliminary results of the high-energy performance as measured at the SPS. The two-shower separation capabilities are discussed.

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Author:Thomas PeitzmannORCiD, Johan AlmeORCiDGND, Rene Barthel, Aart van Bochove, Vyacheslav BorshchovORCiD, Robert Bosley, Anthony van den Brink, Edwin Broeils, Henner BüschingORCiDGND, Viljar Nilsen EikelandORCiD, Ola Slettevoll GrøttvikORCiD, Younghoon HanORCiD, Naomi van der KolkORCiD, J. H. Kim, Taejun KimORCiD, Youngjoon KwonORCiD, Magnus MagerORCiDGND, Qasim Waheed MalikORCiD, Else Okkinga, T. Y. Park, Fabian Pliquett, Maksym ProtsenkoORCiD, Felix ReidtORCiDGND, Sebastiaan van Rijk, Ketil RøedORCiD, Tim Sebastian RogoschinskiORCiDGND, Dieter RöhrichORCiD, Marcel RossewijORCiD, G. B. Ruis, Emilie Haugland SolheimORCiD, Ihor TymchukORCiD, Kjetil UllalandORCiD, Nigel Keith WatsonORCiD, Hiroki Yokoyama
URN:urn:nbn:de:hebis:30:3-849775
URL:https://arxiv.org/abs/2207.01815v2
DOI:https://doi.org/10.48550/ARXIV.2207.01815
ArXiv Id:http://arxiv.org/abs/2207.01815v2
Parent Title (English):arXiv
Publisher:arXiv
Document Type:Preprint
Language:English
Date of Publication (online):2022/09/27
Date of first Publication:2022/09/27
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2024/08/12
Issue:2207.01815v2
Edition:Version 2
Page Number:5
HeBIS-PPN:521416337
Institutes:Physik / Physik
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Sammlungen:Universitätspublikationen
Licence (German):License LogoCreative Commons - CC BY - Namensnennung 4.0 International