Testing hadronic interaction models using a highly granular silicon–tungsten calorimeter

B. Bilki, J. Repond, J. Schlereth, L. Xia, Z. Deng, Y. Li, Y. Wang, Q. Yue, Z. Yang, G. Eigen, Y. Mikami, T. Price, N. K. Watson, M. A. Thomson, D. R. Ward, D. Benchekroun, A. Hoummada, Y. Khoulaki, C. Cârloganu, S. ChangA. Khan, D. H. Kim, D. J. Kong, Y. D. Oh, G. C. Blazey, A. Dyshkant, K. Francis, J. G R Lima, P. Salcido, V. Zutshi, V. Boisvert, B. Green, A. Misiejuk, F. Salvatore, K. Kawagoe, Y. Miyazaki, Y. Sudo, T. Suehara, T. Tomita, H. Ueno, T. Yoshioka, J. Apostolakis, G. Folger, V. Ivantchenko, A. Ribon, V. Uzhinskiy, S. Cauwenbergh, M. Tytgat, N. Zaganidis, J. Y. Hostachy, L. Morin, K. Gadow, P. Göttlicher, C. Günter, K. Krüger, B. Lutz, M. Reinecke, F. Sefkow, N. Feege, E. Garutti, S. Laurien, S. Lu, I. Marchesini, M. Matysek, M. Ramilli, A. Kaplan, E. Norbeck, D. Northacker, Y. Onel, E. J. Kim, B. Van Doren, G. W. Wilson, M. Wing, B. Bobchenko, M. Chadeeva, R. Chistov, M. Danilov, A. Drutskoy, A. Epifantsev, O. Markin, R. Mizuk, E. Novikov, V. Popov, V. Rusinov, E. Tarkovsky, D. Besson, E. Popova, M. Gabriel, C. Kiesling, F. Simon, C. Soldner, M. Szalay, M. Tesar, L. Weuste, M. S. Amjad, J. Bonis, S. Callier, S. Conforti Di Lorenzo, P. Cornebise, Ph Doublet, F. Dulucq, M. Faucci-Giannelli, J. Fleury, T. Frisson, B. Kégl, N. Van Der Kolk, H. Li, G. Martin-Chassard, F. Richard, Ch De La Taille, R. Pöschl, L. Raux, J. Rouëné, N. Seguin-Moreau, M. Anduze, V. Balagura, E. Becheva, V. Boudry, J. C. Brient, R. Cornat, M. Frotin, F. Gastaldi, F. Magniette, A. Matthieu, P. Mora De Freitas, H. Videau, J. E. Augustin, J. David, P. Ghislain, D. Lacour, L. Lavergne, J. Zacek, J. Cvach, P. Gallus, M. Havranek, M. Janata, J. Kvasnicka, D. Lednicky, M. Marcisovsky, I. Polak, J. Popule, L. Tomasek, M. Tomasek, P. Ruzicka, P. Sicho, J. Smolik, V. Vrba, J. Zalesak, D. Jeans, M. Götze

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Abstract A detailed study of hadronic interactions is presented using data recorded with the highly granular CALICE silicon-tungsten electromagnetic calorimeter. Approximately 350,000 selected <sup>π-</sup> events at energies between 2 and 10 GeV have been studied. The predictions of several physics models available within the GEANT4 simulation tool kit are compared to this data. A reasonable overall description of the data is observed; the Monte Carlo predictions are within 20% of the data, and for many observables much closer. The largest quantitative discrepancies are found in the longitudinal and transverse distributions of reconstructed energy.

Original languageEnglish
Article number57738
Pages (from-to)240-254
Number of pages15
JournalNuclear Instruments & Methods in Physics Research. Section A. Accelerators, Spectrometers, Detectors
Publication statusPublished - 22 Jul 2015


  • linear collider
  • elecromagnetic silicon tungsten calorimeter
  • highly granular detectors
  • hadronic showers
  • data and simulations

ASJC Scopus subject areas

  • Instrumentation
  • Nuclear and High Energy Physics


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