[Halld-level1] [New Logentry] Mystery with the FCAL trigger

[somov at jlab.org]

Logentry Text:
--
One of the problem with the missing FCAL triggers in 
the trigger emulation can be due to  the missing hits in 
the reconstruction ( DFCALDigiHit ), which are present 
in the evio file. May be I am using inconsistent 
reconstruction version.... 

The energy in missing hits is above the trigger threshold. 

FADC250 evio records (mode 8) for these hits seem to 
be Ok (to be checked); the event header, least significant 
bits of the trigger time, slot, channel, number of samples, 
etc. are reported properly.

An example of hits not seen in the reconstruction:

Run 10386, event 5


roc          slot     channel
rocfcal1     14        0
                 18        8
                 19       12

rocfcal10    3        5

rocfcal9     3        12
                 17       9

rocfcal7     10      8

rocfcal6     18     14        

--- 

Did someone connect any external sources 
to rocfcal 4, slot 18, ch 15  (this channel 
is supposed to be not used, but generate some 
noise) ? 

---

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