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Endcap Trigger Emulation
Xin Wang
2
FEE
DSM0
DSM1
DSM2
720 towers
90 trigger patches
12 ‘half’ jet patches
0.3x1 or 0.6x1
2 endcap halves
Raw ADC from DAQ file
To last DSM board
Processing of ADC to L0 trigger decision
6 channels from BARREL, each with 5-bit Esum
3
1
4
5
8
9
12
2
3
6
7
10
11
Endcap structure: towers -> trigger patches ->half jet patches ->endcap halves
4
FEE
HT 6-bit
Emulated from ADC
Real trigger data
Emu-Real difference 3% mismatch
5
FEE
TP 6-bit
Emu-Real difference
Emulated from ADC
Real trigger data
mismatch
6
BARREL ENDCAP
Etotal (B+E)
Barrel
Endcap
Etot (E+B)
Etot energy in DSM channels Etot energy in DSM channels
Etot energy in DSM channels
mismatch~80%
~7%
Etot ENERGY calculation from ADC & trig data
Trig dataADC emul
Trig dataADC emul
Trig dataADC emul
7
Emulated Real data
Emu-Real difference
Etot BIT calculation from ADC & trig data
8
Conclusion
•All L0-bits for ENDCAP can be emulated for M-C
•Code verified against real events for DSM0,1,2
•More QA histos developed ported to online (PPlot)
•Limitation: works for predefined time stamp (range)
9
BACKUP
10
DSM0
11
DSM1
1 2
12
FEE
DSM0
DSM1
DSM2
720 towers, each with 12-bit raw ADC from DAQ file
90 trigger patches, each with 12-bit ADC( 6-bit TP + 6-bit HT)
12 DSM0 channels, each with 16-bit ( 9 or 10-bit TPsum, 2-bit HT, 2-bit TP, 2-bit HTTP)
2 DSM1 channels, each with 16-bit ( 5-bit Esum, 1-bit HTTPthr, 1-bit TPthr, 2-bit JP, 2-bit HT)
6 channels from BARREL, each with 5-bit Esum