Differences
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Both sides previous revision Previous revision Next revision | Previous revision Next revision Both sides next revision | ||
daq:mode2 [2012/05/18 14:28] campbell S |
daq:mode2 [2012/05/18 14:49] campbell |
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+ | ====== DAQ:Mode 2 data loss (Chris) ====== | ||
+ | |||
====== Severity ====== | ====== Severity ====== | ||
- | We cannot afford losing any triggered data. For absolute x-section measurement GRETINA efficiency is crucial. | + | We cannot afford losing <del>any triggered</del> data //**in an uncounted manner**//. For absolute x-section measurements with GRETINA efficiency is crucial. |
====== Problem ====== | ====== Problem ====== | ||
Line 13: | Line 14: | ||
719 s800 only events | 719 s800 only events | ||
15 gretina only events (now fixed in S800 daq) | 15 gretina only events (now fixed in S800 daq) | ||
+ | |||
+ | So, ~6% of the decomposed data is missing. | ||
+ | | ||
+ | Also, missing gretina data is spread throughout the file, not concentrated at the beginning or end. | ||
====== Progress ====== | ====== Progress ====== | ||
+ | * 5/17/2012: Discussed losses with Mario. Code review and version check to follow. |