PHENIX calorimeter

L. Aphecetche, T. C. Awes, J. Banning, S. Bathe, A. Bazilevsky, S. Belikov, S. T. Belyaev, C. Blume, M. Bobrek, D. Bucher, V. Bumazhnov, H. Büsching, S. Chernichenkov, V. Cianciolo, M. Cutshaw, D. G. D'Enterria, S. Daniels, G. David, H. Delagrange, A. DenisovA. Durum, Y. V. Efremenko, M. S. Emery, S. L. Fokin, S. Frank, Y. Goto, M. Grosse Perdekamp, N. Heine, D. E. Hurst, V. V. Ikonnikov, M. S. Ippolitov, G. Jackson, J. P. Jones, K. V. Karadjev, E. Kistenev, C. Klein-Bösing, V. Kochetkov, Iou A. Koutcheryaev, V. A. Lebedev, V. I. Manko, G. Martinez, Y. Melnikov, T. Moore, M. Musrock, S. A. Nikolaev, A. S. Nyanin, V. Onuchin, T. Peitzmann, P. Pitukhin, F. Plasil, K. F. Read, K. Reygers, R. Santo, Y. Schutz, V. Semenov, V. Shelikhov, Iou G. Sibiriak, M. Simpson, D. C. Smith, M. Smith, A. Soldatov, P. W. Stankus, J. Stewering, S. P. Stoll, H. Torii, A. A. Tsvetkov, N. Tyurin, A. Usachev, A. A. Vasiliev, W. Verhoeven, A. A. Vinogradov, M. A. Volkov, J. W. Walker, S. N. White, A. L. Wintenberg, C. L. Woody, G. R. Young, I. E. Yushmanov

Research output: Contribution to journalArticlepeer-review

Abstract

The PHENIX Electromagnetic Calorimeter (EMCal) is used to measure the spatial position and energy of electrons and photons produced in heavy ion collisions. It covers the full central spectrometer acceptance of 70° ≤ 0 ≤ 110° with two walls, each subtending 90° in azimuth. One wall comprises four sectors of a Pb-scintillator sampling calorimeter and the other has two sectors of Pb-scintillator and two of a Pb-glass Cherenkov calorimeter. Both detectors have very good energy, spatial and timing resolution, while the Pb-scintillator excels in timing and the Pb-glass in energy measurements. Also, having two detectors with different systematics increases the confidence level of the physics results. Design and operational parameters of the Pb-scintillator, Pb-glass and special readout electronics for EMCal are presented and running experience during the first year of data taking with PHENIX is discussed. Some examples of data taken during the first run are shown.

Original languageEnglish (US)
Pages (from-to)521-536
Number of pages16
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume499
Issue number2-3
DOIs
StatePublished - Mar 1 2003
Externally publishedYes

Keywords

  • Calorimeter
  • Electronics
  • PHENIX
  • Pb-glass
  • RHIC
  • Scintillator

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

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