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2. Test Module Design
a) Baseline RectTile EMcal
- 4cm x 4cm x 1mm-thick Tile with 0.7mmφ-WLS,
interleaved with 4mm-thick hard-lead
- Two-types of WLS-groove layout (roundish-square
and circular)
for non-uniformity study
- Only two superlayers this time (for mapping)
b) Scintillator-Strip Array EMcal
- 20cm x 1cm x 2mm-thick Strip with 1.0mmφ-WLS, interleaved with 4mm-thick hard-lead
- 20strips/plane, one (x,y) doublet/layer, 4 layers/superlayer,
6 superlayers/module (17Xo total)
- WLS-groove offset amd staggered for better uniformity
c) Baseline SHmax with WLS-fiber readout
- 20cm x 1cm x 1cm-thick Strip with 1.0mmφ-WLS
- 20strips/plane and one (x,y) doublet/layer
d) Direct-attached APD-readout SHmax
- 20cm x 1cm x 1cm-thick Strip with an APD at each end
- Only 6 strips installed this time.
yoshiaki.fujii@kek.jp, Apr.2,2003 at ECFA/DESY at Amsterdam