Contributions of Cherenkov light to the signals from 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

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Abstract

Results are presented of detailed measurements of the signals generated by high-energy electrons and muons in lead tungstate crystals. A significant fraction of the light produced in these crystals and detected by photomultiplier tubes is the result of the Cherenkov mechanism. This is concluded from the angular dependence of the signals and from their time structure. Depending on the orientation of the crystals and on the particle type, Cherenkov light may account for up to 15% of the total signals.

Original languageEnglish
Pages (from-to)474-483
Number of pages10
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume582
Issue number2
DOIs
StatePublished - Nov 21 2007

Keywords

  • Cherenkov light
  • Hadron calorimetry
  • Lead tungstate

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    Akchurin, N., Berntzon, L., Cardini, A., Ferrari, R., Gaudio, G., Hauptman, J., Kim, H., La Rotonda, L., Livan, M., Meoni, E., Paar, H., Penzo, A., Pinci, D., Policicchio, A., Popescu, S., Susinno, G., Roh, Y., Vandelli, W., & Wigmans, R. (2007). Contributions of Cherenkov light to the signals from lead tungstate crystals. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 582(2), 474-483. https://doi.org/10.1016/j.nima.2007.08.174