Measurement of shower development and its Molière radius with a four-plane LumiCal test set-up

H. Abramowicz, A. Abusleme, K. Afanaciev, Y. Benhammou, L. Bortko, O. Borysov, M. Borysova, I. Bozovic-Jelisavcic, G. Chelkov, W. Daniluk, D. Dannheim, K. Elsener, M. Firlej, E. Firu, T. Fiutowski, V. Ghenescu, M. Gostkin, M. Hempel, H. Henschel, M. IdzikA. Ignatenko, A. Ishikawa, S. Kananov, O. Karacheban, W. Klempt, S. Kotov, J. Kotula, D. Kozhevnikov, V. Kruchonok, B. Krupa, Sz Kulis, W. Lange, J. Leonard, T. Lesiak, A. Levy, I. Levy, W. Lohmann, S. Lukic, J. Moron, A. Moszczynski, A. T. Neagu, F. X. Nuiry, M. Pandurovic, B. Pawlik, T. Preda, O. Rosenblat, A. Sailer, B. Schumm, S. Schuwalow, I. Smiljanic, P. Smolyanskiy, K. Swientek, P. Terlecki, U. I. Uggerhoj, T. N. Wistisen, T. Wojton, H. Yamamoto, L. Zawiejski, I. S. Zgura, A. Zhemchugov

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5 Citations (Scopus)

Abstract

A prototype of a luminometer, designed for a future e+e- collider detector, and consisting at present of a four-plane module, was tested in the CERN PS accelerator T9 beam. The objective of this beam test was to demonstrate a multi-plane tungsten/silicon operation, to study the development of the electromagnetic shower and to compare it with MC simulations. The Molière radius has been determined to be 24.0 ± 0.6 (stat.) ± 1.5 (syst.) mm using a parametrization of the shower shape. Very good agreement was found between data and a detailed Geant4 simulation.

Original languageEnglish
Article number135
JournalEuropean Physical Journal C
Volume78
Issue number2
DOIs
Publication statusPublished - 2018 Feb 1

ASJC Scopus subject areas

  • Engineering (miscellaneous)
  • Physics and Astronomy (miscellaneous)

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