New data Threshold Scan@ angle – 1-pixel – ALL 2-pixel – Balance 2-pixel – (all-pixel)...
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Transcript of New data Threshold Scan@ angle – 1-pixel – ALL 2-pixel – Balance 2-pixel – (all-pixel)...
New data
• Threshold Scan@ angle– 1-pixel– ALL 2-pixel– Balance 2-pixel– (all-pixel)
• Cluster size @ angle• HV scan
– Perpendicular track– 10 degrees track– Cluster size @ voltage
Threshold [email protected] degree
1000 1500 2000 2500 3000 3500 4000 45000
1000
2000
3000
4000
5000
6000
7000
8000
9000
MPV * 25
(45
0-T
HL
) *
25
balanced 2-pixel
a2=0.0006
1 pixela2=0.0019
total 2-pixel
a2=0.0007
Run THL
525 425
524 420
523 415
522 410
527 400
528 350
529 300
530 250
531 200
1000 1500 2000 2500 3000 3500 4000 45000
1000
2000
3000
4000
5000
6000
7000
8000
MPV * 25
(450
-TH
L) *
25
balanced
balanced1 pixel
1 pixel
all 2-pixel
all 2-pixelunbalanced
unbalanced
Threshold [email protected] degree
1 pixel cluster
All 2-pixel cluster
Balanced 2-pixel cluster
Unbalanced 2-pixel cluster
1500 2000 2500 3000 3500 4000 45000
1000
2000
3000
4000
5000
6000
7000
8000
MPV * 25
(45
0-T
HL
) *
25
Balanced 2-pixela2=0.0006
1-pixel
a2=0.0005
a2=0.0007data6
Threshold Scan@10 degreesRun THL
540 425
539 420
538 415
537 410
536 400
535 350
534 300
533 250
532 200
Balanced 2-pixel cluste
rs
All 2-pixe
l clusters
1-pixel cluste
rs
Run THL550 425549 420548 415547 410546 400545 350544 300543 250542 200
500 1000 1500 2000 2500 3000 3500 4000 4500 5000 55000
1000
2000
3000
4000
5000
6000
7000
8000
9000
10000
MPV * 25
(45
0-T
HL
) *
25
Balanced 2-pixel
quadratic fit1 pixel
~
All 2-pixel
~All clusters
quadratic fit
Threshold Scan@18 degrees
1-pixel cluste
rs
Balanced 2-pixel cluste
rs
All 2-pixe
l clusters
All cluste
rs
Cluster size ~ angle
• THL=420 (low threshold)
Angle=-0.22 Angle=10 Angle=18
HV scan
• THL=400 ; Angle=-0.28 Run Sensor Bias622 5623 10624 30619 70628 100629 150630 200
0 20 40 60 80 100 120 140 160 180 200115
120
125
130
135
140
145
Sensor Bias Voltage
MP
V(T
OT
)
THL=400 Angle=-0.28
HV scan
• THL=400 ; Angle=10Run Sensor
Bias
568 5569 10570 30571 70572 100574 150
0 50 100 150120
125
130
135
140
145
150
155
Sensor Bias Voltage
MP
V(T
OT
)
THL=400 Angle=10
Cluster size@ voltage
• THL=400 ;Angle=10 Run Sensor Bias622 5623 10624 30619 70628 100629 150630 200
0 50 100 150
2.5
2.6
2.7
2.8
2.9
3
3.1
3.2
3.3
Sensor Bias Voltage
Clu
ste
r S
ize