Log entry time 10:50:49 on November 20, 2010

Entry number 340964

This entry is a followup to: 340943

Following on the lumi plot, one of the problem is that the bcm_average 
variable used to normalize the lumis has a junk value for the first 14000 
events of the run (see Fig. 1).

I checked the archive (Fig 2) and there was beam during the first 10 min 
of the run (run started at 9:10 AM). So the beam and the EPICS variable 
are OK.

However, our BMC scalers are not read for the first 14000 events (Fig 3). 
Actually, none of the scalers, either left (eg. BCM) or right (eg. lumis) 
are read during that time (I checked a few variables with similar results 
as Fig. 3).

BCM average vs Event number

Archive

BCM Scalers