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User name R. Michaels
Log entry time 14:01:40 on February26,2001
Entry number 57007
This entry is a followup to: 57004
keyword=how good is DAQ-busy deadtime
The following of randomly selected runs illustrates how well
deadtime computed from (U10.AND.not-busy) compares to
the deadtime from accepted triggers. The last column on the
right is what halog end-run's erroneously reported using D10.
run.......dtime from...|......dtime from............|...(WRONG) dtime from
.............acc. trig......|.U10.AND.not-busy..|...gated scalers, in halog
2043........0.126.................0.133........................0.151
2045........0.122.................0.124........................0.141
2051........0.064.................0.071........................0.089
2060........0.084.................0.089........................0.106
2062........0.069.................0.071........................0.089
2070........0.281.................0.281........................0.294
2079........0.143.................0.201........................0.217
2083........0.077.................0.109........................0.127
2094........0.286.................0.357........................0.370
2103........0.217.................0.390........................0.402
2125........0.003.................0.003.......NEG->..-0.303....cosmics (dramatic)
2141........0.035.................0.040........................0.058
2188........0.005.................0.006......................-0.197....cosmics
2190........0.006.................0.007......................-0.146....cosmics