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Hit Overflow Jaewon Park.

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Presentation on theme: "Hit Overflow Jaewon Park."— Presentation transcript:

1 Hit Overflow Jaewon Park

2 Problem Eearlier unsuppressed data looks odd
N_rawhits overflowed in DST MaxHitNum in DSTWriter is set

3 Eye-Scanned Rock-Muons Sample
Rock muons sample penentrating whole ID along z. 253 muons from 400 gates There could be multiple rock muons in a gate Every time-slices are marked as hit-overflowed if the gate is hit-overflowed. 11% of rock muon are hit-overflowed if pedestal suppressed DST is used. 16% of rock muon are hit-overflowed if pedestal unsuppressed DST is used.

4 hit_num always 0 for OD?

5 Missing hit at TP17 (mod91)

6 Missing Information Overflowed hit position doesn’t match.
Unsuppressed DST contains matching overflowed hit.

7 Effect of Firmware Upgrade
Overflowed hit position doesn’t match. After firmware upgrade


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