Test of an electromagnetic calorimeter using BaF2 scintillators and photosensitive wire chambers between 1 and 9 GeV

R. Bouclier, G. Charpak, W. Gao, G. Million, P. Miné, S. Paul, J. C. Santiard, D. Scigocki, N. Solomey, M. Suffert

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

We describe an electromagnetic calorimeter constructed from layers of BaF2 crystals, coupled to low pressure MWPCs with hot TMAE gas as the photosensitive constituent. By making use of the fast component from the BaF2 scintillation, this detector is well suited for a high rate, intense radiation environment. We present the results of a test performed with our prototype in a 1-9 GeV/c beam, which gives an energy resolution better than 4% E, a position resolution of 1 mm, and a time resolution better than 1 ns. The detector is highly segmented, with tracking capabilities and good e/π rejection. We discuss the possible application to experiments with intense colliders.

Original languageEnglish
Pages (from-to)69-86
Number of pages18
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume267
Issue number1
DOIs
StatePublished - 15 Apr 1988
Externally publishedYes

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