HYCAL Overview

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HYCAL Overview
We started from the design
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HYCAL Overview
then, we looked for the Lead-Glass Counters
we found them at IHEP, Protvino, Russia
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HYCAL Overview
next, we look longer for the PbWO4 crystals
we did beam tests
We choose SICAS, China
we purchased 1250 PbWO4 crystals
and 1300 Hamamatsu PMTs
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HYCAL Overview
we developed, constructed and tested the HYCAL-0
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HYCAL Overview
D. Kashy made a frame for the HYCAL, we tested
crystals in the frame
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HYCAL Overview
last summer we assembled all crystal detectors,
and refurnished the lead-glass Cherenkov
counters
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HYCAL Overview
. Then we assembled all in the frame