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Construction and test of a fine-grained liquid argon preshower prototype: RD3 Collaboration

  • R. A. Davis
  • , D. M. Gingrich
  • , J. L. Pinfold
  • , N. L. Rodning
  • , E. Boos
  • , B. O. Zhautykov
  • , B. Aubert
  • , A. Bazan
  • , B. Beaugiraud
  • , J. Boniface
  • , J. Colas
  • , G. Eynard
  • , S. Jezequel
  • , T. Leflour
  • , O. Linossier
  • , S. Nicoleau
  • , E. Rival
  • , G. Sauvage
  • , J. Thion
  • , D. VanDenPlas
  • I. Wingerter-Seez, R. Zitoun, Y. P. Zolnierowski, M. Chmeissani, E. Fernandez, LI Garrido, M. Martinez, C. Padilla, H. A. Gordon, V. Radeka, D. Rahm, D. Stephani, L. Baisin, J. C. Berset, J. L. Chevalley, F. Gianotti, O. Gildemeister, C. P. Marin, M. Nessi, L. Poggioli, W. Richter, V. Vuillemin, J. M. Baze, L. Gosset, P. Lavocat, J. P. Lottin, B. Mansoulié, J. P. Meyer, J. F. Renardy, J. Schwindling, J. Teiger, J. Collot, P. de Saintignon, D. Dzahini, J. Y. Hostachy, A. Hoummada, G. Laborie, G. Mahout, L. Hervas, A. Chekhtman, M. C. Cousinou, P. Dargent, B. Dinkespiller, F. Etienne, P. Fassnacht, D. Fouchez, L. Martin, A. Miotto, E. Monnier, E. Nagy, C. Olivetto, S. Tisserant, G. Battistoni, D. V. Camin, D. Cavalli, G. Costa, L. Cozzi, N. Fedyakin, A. Ferrari, L. Mandelli, M. Mazzanti, L. Perini, S. Resconi, P. Sala, G. Beaudoin, P. Depommier, E. León-Florián, C. Leroy, P. Roy, E. Augé, R. Chase, J. C. Chollet, C. de la Taille, L. Fayard, D. Fournier, A. Hrisoho, B. Merkel, J. M. Noppe, G. Parrour, P. Pétroff, A. Schaffer, N. Seguin-Moreau, L. Serin, V. Tisserand, I. Vichou, B. Canton, J. David, J. F. Genat, D. Imbault, O. Le Dortz, A. Savoy-Navarro, P. Schwemling, L. O. Eek, B. Lund-Jensen, J. Söderqvist, M. Lefebvre, S. Robertson
  • University of Alberta
  • TRIUMF
  • HEPI Kaz.AS
  • Laboratoire de Physique des Particules
  • University of São Paulo
  • Brookhaven National Laboratory
  • European Organization for Nuclear Research
  • University of Milano
  • CEA/UVSQ/CNRS
  • LTHE (UMR 5564 CNRS/IRD/Université de Grenoble)
  • Université Hassan II
  • Universidad Autónoma de Madrid
  • CPP Marseille
  • Sezione INFN di Milano
  • Universite de Montreal
  • Laboratoire de l'Accélérateur Linéaire
  • Universités Paris VI and VII
  • KTH Royal Institute of Technology
  • University of Victoria

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

A separate liquid argon preshower detector consisting of two layers featuring a fine granularity of 2.5 × 10-3 was studied by the RD3 collaboration. A prototype covering approximately 0.8 in pseudo-rapidity and 9° in azimuth was built and tested at CERN in July 94. CMOS and GaAs VLSI preamplifiers were designed and tested for this occasion. The combined response of this detector and an accordion electromagnetic calorimeter prototype to muons, electrons and photons is presented. For minimum ionizing tracks a signal-to-noise ratio of 4.5 per preshower layer was measured. Above 150 GeV the space resolution for electrons is better than 250 μm in both directions. The precision on the electromagnetic shower direction, determined together with the calorimeter, is better than 4 mrad above 50 GeV. It is concluded that the preshower detector would adequately fulfil its role for future operation at CERN Large Hadron Collider.

Original languageEnglish
Pages (from-to)47-57
Number of pages11
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume385
Issue number1
DOIs
Publication statusPublished - 11 Jan 1997
Externally publishedYes

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