Precision measurement of energy and position resolutions of the BTeV electromagnetic calorimeter prototype

V. A. Batarin, T. Brennan, J. Butler, H. Cheung, A. A. Derevschikov, Y. V. Fomin, V. Frolov, Y. M. Goncharenko, V. N. Grishin, V. A. Kachanov, V. Y. Khodyrev, K. Khroustalev, A. S. Konstantinov, V. I. Kravtsov, Y. Kubota, V. M. Leontiev, V. A. Maisheev, Y. A. Matulenko, Y. M. Melnick, A. P. MeschaninN. E. Mikhalin, N. G. Minaev, V. V. Mochalov, D. A. Morozov, R. Mountain, L. V. Nogach, A. V. Ryazantsev, P. A. Semenov, K. E. Shestermanov, L. F. Soloviev, V. L. Solovianov, S. Stone, M. N. Ukhanov, A. V. Uzunian, A. N. Vasiliev, A. E. Yakutin, J. Yarba

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18 Scopus citations

Abstract

The energy dependence of the energy and position resolutions of the electromagnetic calorimeter prototype made of lead tungstate crystals produced in Bogoroditsk (Russia) and Shanghai (China) is presented. These measurements were carried out at the Protvino accelerator using a 1-45 GeV electron beam. The crystals were coupled to photomultiplier tubes. The dependence of energy and position resolutions on different factors as well as the measured electromagnetic shower lateral profile are presented.

Original languageEnglish (US)
Pages (from-to)248-261
Number of pages14
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume510
Issue number3
DOIs
StatePublished - Sep 11 2003

Bibliographical note

Funding Information:
We would like to thank the IHEP management for providing us a beam line and accelerator time for our test beam studies. Special thanks to Fermilab for providing equipment for data acquisition. The authors would like to thank O.A. Grachov and I.V. Kotov for useful discussions. This work was partially supported by the US National Science Foundation and the Department of Energy.

Keywords

  • Calorimeter
  • Energy resolution
  • Position resolution
  • Scintillating crystal
  • Shower profile

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