Phi Decay Experiment(KEKPS E325) EM calorimeter

This counter separates electron from pion(>0.4 GeV/c). The information is used to make the Electron 1st level trigger.

lead glass(from TRISTAN TOPAZ,repolished by Tochigi Nikon)
SF6W(made by OHARA)

PMT:Hamamatsu H1911(3inch) (from TRISTAN VENUS)
standard 1500V,max 1800V

acceptance: 57deg~90deg
geometry

case :x=,z=
detector :y=1805mm~1915mm,x=0mm~1238mm,z=-825mm~+825mm

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