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GlueX Experiment Document 1729-v1

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The GlueX Barrel Electromagnetic Calorimeter

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Submitted by:
Zisis Papandreou
Updated by:
Zisis Papandreou
Document Created:
01 May 2011, 16:15
Contents Revised:
01 May 2011, 16:15
Metadata Revised:
01 May 2011, 16:18
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The goal of the {\sc GlueX} experiment at Jefferson Lab is to search for exotic hybrid mesons as evidence of gluonic excitations, in an effort to understand confinement in QCD. A key subsystem of the {\sc GlueX} detector is the electromagnetic barrel calorimeter ({\sc BCAL}) located inside a 2-Tesla superconducting solenoid. {\sc BCAL} is a ``spaghetti calorimeter,'' consisting of layers of corrugated lead sheets, interleaved with planes of 1-mm-diameter, double-clad, Kuraray SCSF-78MJ scintillating fibres, bonded in the lead grooves using optical epoxy. The detector will consist of 48 modules and will be readout using nearly 4,000 large-area (1.26~cm$^2$ each) silicon photomultiplier arrays. {\sc BCAL} construction is well under way at the University of Regina and test results will be shown.
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  • PDF file (APS2011_ZPapandreou.pdf, 3.8 MB)
Associated with Events:
APS April 2011 Meeting held from 30 Apr 2011 to 04 May 2011 in Anaheim, CA
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