Dual-readout calorimetry with lead tungstate crystals

N. Akchurin, L. Berntzon, A. Cardini, R. Ferrari, G. Gaudio, J. Hauptman, H. Kim, L. La Rotonda, M. Livan, E. Meoni, H. Paar, A. Penzo, D. Pinci, A. Policicchio, S. Popescu, G. Susinno, Y. Roh, W. Vandelli, R. Wigmans

Research output: Contribution to journalArticlepeer-review

25 Scopus citations


Results are presented of beam tests in which a small electromagnetic calorimeter consisting of lead tungstate crystals was exposed to 50 GeV electrons and pions. This calorimeter was backed up by the DREAM Dual-Readout calorimeter, which measures the scintillation and Cherenkov light produced in the shower development, using two different media. The signals from the crystal calorimeter were analyzed in great detail in an attempt to determine the contributions from these two types of light to the signals, event by event. This information makes it possible to eliminate the dominating source of fluctuations and thus achieve an important improvement in hadronic calorimeter performance.

Original languageEnglish
Pages (from-to)273-284
Number of pages12
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Issue number2-3
StatePublished - Jan 11 2008


  • Calorimetry
  • Cherenkov light
  • Lead tungstate crystals
  • Optical fibers


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