The lead-glass electromagnetic calorimeter for the SELEX experiment

M. Y. Balatz, P. S. Cooper, G. V. Davidenko, A. G. Dolgolenko, G. B. Dzyubenko, A. V. Evdokimov*, I. Giller, Y. M. Goncharenko, A. D. Kamenskii, M. A. Kubantsev, V. F. Kurshetsov, J. Lach, L. G. Landsberg, I. F. Larin, V. A. Matveev, M. A. Moinester, S. B. Nurushev, A. Ocherashvili, J. Russ, V. K. SemyatchkinA. I. Sitnikov, V. Steiner, I. I. Tsukerman, A. N. Vasiliev, D. V. Vavilov, V. S. Verebryusov, V. A. Victorov, V. E. Vishnyakov

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

A large-acceptance, highly segmented electromagnetic lead-glass calorimeter for Experiment E781 (SELEX) at Fermi National Acceleration Laboratory was designed and built. This detector has been used to reconstruct photons and electrons with energies ranging from a few GeV up to 500 GeV in the collisions of the 600 GeV Σ- hyperons, π mesons and protons with the target nucleons. The design, calibration and performance of the calorimeter are described. Energy resolution and position resolution are assessed using both calibration electron beams and π0 mesons reconstructed in 600 GeV hadron-hadron interactions. The performance of the calorimeter in selecting resonant states that involve photons is demonstrated.

Original languageEnglish
Pages (from-to)114-138
Number of pages25
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume545
Issue number1-2
DOIs
StatePublished - 11 Jun 2005

Keywords

  • Calorimeter
  • Lead-glass
  • Radiation damage

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