Journal Article

PreJuSER-28840

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Electromagnetic calorimetry with PbWO4 in the energy regime below 1 GeV

Novotny, R. ; Beck, R. ; Döring, W. ; Hejny, V.FZJ* ; Hofstaetter, A. ; Korzhik, M. V. ; Metag, V. ; Ströher, H.FZJ*

2000
IEEE New York, NY

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Please use a persistent id in citations: http://hdl.handle.net/2128/2388

Abstract: The study of the performance and application of PbWO4 in electromagnetic calorimetry at energies far below 1GeV has been continued. The significantly improved optical and scintillation properties of 15cm long Nb/La-doped crystals, optimized for the ECAL/CMS calorimeter, are documented. The lineshape, energy and time response of a 5x5 matrix are tested with monoenergetic photons up to 790MeV energy and compared to previous measurements. First attempts have been made to enhance the scintillation yield by suitable dopants (Mo, Tb) for applications at very low photon energies.As a first large scale project at medium energies, the proposed concept for a compact photon spectrometer to be implemented into the ANKE magnetic spectrometer at COSY (KFA Julich) is illustrated.

Keyword(s): J

Note: Record converted from VDB: 12.11.2012

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Contributing Institute(s):

1. Experimentelle Hadrondynamik (IKP-2)

Research Program(s):

1. Mittelenergiephysik (20.50.0)

Appears in the scientific report 2000
Notes: This version is available at the following Publisher URL: http://ieeexplore.ieee.org/Xplore/dynhome.jsp

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