Results from pion calibration runs for the H 1 liquid argon calorimeter and comparisons with simulations

B. Andrieu, J. Bán, E. Barrelet, H. Bergstein, G. Bernardi, M. Besançon, E. Binder, H. Blume, K. Borras, V. Boudry, F. Brasse, W. Braunschweig, V. Brisson, A. J. Campbell, T. Carli, M. Colombo, Ch Coutures, G. Cozzika, M. David, B. DelcourtL. Delbuono, M. Devel, P. Dingus, A. Drescher, J. Duboc, O. Dünger, R. Ebbinghaus, S. Egli, N. N. Ellis, J. Feltesse, Y. Feng, F. Ferrarotto, W. Flauger, M. Flieser, K. Gamerdinger, J. Gayler, L. Godfrey, L. Goerlich, M. Goldberg, R. Grässler, T. Greenshaw, H. Greif, M. Haguenauer, L. Hajduk, O. Hamon, P. Hartz, V. Haustein, R. Haydar, W. Hildesheim, N. Huot, M. A. Jabiol, A. Jacholkowska, M. Jaffre, H. Jung, F. Just, C. Kiesling, Th Kirchhoff, F. Kole, V. Korbel, M. Korn, W. Krasny, J. P. Kubenka, H. Küster, J. Kurzhöfer, B. Kuznik, R. Lander, J. F. Laporte, U. Lenhardt, P. Loch, D. Lüers, J. Marks, J. Martyniak, T. Merz, B. Naroska, A. Nau, H. K. Nguyen, F. Niebergall, H. Oberlack, U. Obrock, F. Ould-Saada, C. Pascaud, H. B. Pyo, K. Rauschnabel, P. Ribarics, M. Rietz, Ch Royon, V. Rusinov, N. Sahlmann, E. Sánchez, P. Schacht, P. Schleper, W. von Schlippe, C. Schmidt, D. Schmidt, V. Shekelyan, H. Shooshtari, Y. Sirois, P. Staroba, M. Steenbock, H. Steiner, B. Stella, U. Straumann, J. Turnau, J. Tutas, L. Urban, C. Vallee, M. Vecko, P. Verrecchia, G. Villet, E. Vogel, A. Wagener, D. Wegener, A. Wegner, H. P. Wellisch, T. P. Yiou, J. Ẑáček, Ch Zeitnitz, F. Zomer

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117 Scopus citations

Abstract

We present results on calibration runs performed with pions at the CERN SPS for different modules of the H 1 liquid argon calorimeter which consists of an electromagnetic section with lead absorbers and a hadronic section with steel absorbers. The data cover an energy range from 3.7 to 205 GeV. Detailed comparisons of the data and simulation with GHEISHA 8 in the framework of GEANT 3.14 are presented. The measured pion induced shower profiles are well described by the simulation. The total signal of pions on an energy scale determined from electron measurements is reproduced to better than 3% in various module configurations. After application of weighting functions, determined from Monte Carlo data and needed to achieve compensation, the reconstructed measured energies agree with simulation to about 3%. The energies of hadronic showers are reconstructed with a resolution of about 50% √E {circled division sign} 2%. This result is achieved by inclusion of signals from an iron streamer tube tail catcher behind the liquid argon stacks.

Original languageEnglish (US)
Pages (from-to)499-509
Number of pages11
JournalNuclear Inst. and Methods in Physics Research, A
Volume336
Issue number3
DOIs
StatePublished - Dec 1 1993
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

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