[Halld-level1] [New Logentry] BCAL/FCAL and ST trigger

somov at jlab.org somov at jlab.org
Mon Dec 15 14:45:01 EST 2014


Logentry Text:
--
Trigger type: Coincidence between FCAL/BCAL and ST.
At lest one hit in the ST is required. 

Requiring a coincidence with ST significantly reduces FCAL rate.

Configuration file:    fcal_bcal_st_m8.conf
                    

Three trigger types are in the system:
BCAL + FCAL  ( & ST)            gtp lane 0
FCAL     ( & ST)                      gtp lane 1
BCAL     ( & ST)                      gtp lane 2                


List of runs:

BCAL(6000) + FCAL(1500)      -   3.1  kHz
FCAL(1500)                             -    2.1  kHz
BCAL(6000)                             -    0.9  kHz 
run 2186

---------

BCAL(6000) + FCAL(1500)      -   3.1  kHz
FCAL(1200)                             -    11  kHz 
BCAL(6000)                             -    0.9  kHz 
run 2187

----------

BCAL(6000) + FCAL(1500)   &  ST(1)    -  300 Hz  ( 3.1  kHz without ST)
FCAL(1200)                                           -  185  Hz  ( 11  kHz without ST)
BCAL(6000)                                           -   230  Hz  (0.9  kHz without ST) 
run 2200

------------

BCAL(6000) + FCAL(1200)   &  ST(1)    -  428  Hz  
FCAL(1200)                                           -  189   Hz 
BCAL(6000)                                           -   230  Hz  
run 2202

------------

Lower ST threshold to 120

BCAL(6000) + FCAL(1200)   &  ST(1)    -  460  Hz  
FCAL(1200)                                           -   230  Hz 
BCAL(6000)                                           -   235  Hz   
run 2201

fcal_bcal_st_m8.conf


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