DRAFT
8” MCP timing analysis with PSEC4:Data from March 1, 2012
Bernhard Adams, Andrey Elagin, Razib Obaid,Eric Oberla, Alexander Vostrikov, Matthew Wetstein
University of ChicagoArgonne National Laboratory
March 13, 2012
LAPPD weekly meeting
Alexander Vostrikov (UChicago/ANL) 8” MCP with PSEC4: 2012/03/01 March 13, 2012 1 / 28
DRAFT
Experiment setup
MCP setup
MCP 1: #12258–543 (20 MOhm)
MCP 2: #12258–540 (40 MOhm)
Alexander Vostrikov (UChicago/ANL) 8” MCP with PSEC4: 2012/03/01 March 13, 2012 2 / 28
DRAFT
Signal on PSEC4 — position 0 mm
0 50 100 150 200Time, nsec
350
300
250
200
150
100
50
0
50V
olt
age, m
V
Alexander Vostrikov (UChicago/ANL) 8” MCP with PSEC4: 2012/03/01 March 13, 2012 3 / 28
DRAFT
Zero level — position 0 mm
0 50 100 150 200Time, nsec
350
300
250
200
150
100
50
0
50V
olt
age, m
V
Alexander Vostrikov (UChicago/ANL) 8” MCP with PSEC4: 2012/03/01 March 13, 2012 4 / 28
DRAFT
Pulse extraction: #1 — position 0 mm
0 50 100 150 200Time, nsec
350
300
250
200
150
100
50
0
50V
olt
age, m
V
Alexander Vostrikov (UChicago/ANL) 8” MCP with PSEC4: 2012/03/01 March 13, 2012 5 / 28
DRAFT
Pulse extraction: #2 — position 0 mm
0 50 100 150 200Time, nsec
350
300
250
200
150
100
50
0
50V
olt
age, m
V
Alexander Vostrikov (UChicago/ANL) 8” MCP with PSEC4: 2012/03/01 March 13, 2012 6 / 28
DRAFT
Pulse extraction: #3 — position 0 mm
0 50 100 150 200Time, nsec
350
300
250
200
150
100
50
0
50V
olt
age, m
V
Alexander Vostrikov (UChicago/ANL) 8” MCP with PSEC4: 2012/03/01 March 13, 2012 7 / 28
DRAFT
Pulse extraction: #4 — position 0 mm
0 50 100 150 200Time, nsec
350
300
250
200
150
100
50
0
50V
olt
age, m
V
Alexander Vostrikov (UChicago/ANL) 8” MCP with PSEC4: 2012/03/01 March 13, 2012 8 / 28
DRAFT
Pulse extraction: #5 — position 0 mm
0 50 100 150 200Time, nsec
350
300
250
200
150
100
50
0
50V
olt
age, m
V
Alexander Vostrikov (UChicago/ANL) 8” MCP with PSEC4: 2012/03/01 March 13, 2012 9 / 28
DRAFT
Pulse extraction: #6 — position 0 mm
0 50 100 150 200Time, nsec
350
300
250
200
150
100
50
0
50V
olt
age, m
V
Alexander Vostrikov (UChicago/ANL) 8” MCP with PSEC4: 2012/03/01 March 13, 2012 10 / 28
DRAFT
Pulse extraction: #7 — position 0 mm
0 50 100 150 200Time, nsec
350
300
250
200
150
100
50
0
50V
olt
age, m
V
Alexander Vostrikov (UChicago/ANL) 8” MCP with PSEC4: 2012/03/01 March 13, 2012 11 / 28
DRAFT
Pulse extraction: #8 — position 0 mm
0 50 100 150 200Time, nsec
350
300
250
200
150
100
50
0
50V
olt
age, m
V
Alexander Vostrikov (UChicago/ANL) 8” MCP with PSEC4: 2012/03/01 March 13, 2012 12 / 28
DRAFT
Pulse extraction: #9 — position 0 mm
0 50 100 150 200Time, nsec
350
300
250
200
150
100
50
0
50V
olt
age, m
V
Alexander Vostrikov (UChicago/ANL) 8” MCP with PSEC4: 2012/03/01 March 13, 2012 13 / 28
DRAFT
Amplitude distribution — position 0 mm
0.0 0.5 1.0 1.5 2.0Pulse amplitude, V
0
50
100
150
200
250
300
350
400
What happens when amplitude is greater than 1 V?
Alexander Vostrikov (UChicago/ANL) 8” MCP with PSEC4: 2012/03/01 March 13, 2012 14 / 28
DRAFT
Features
0 50 100 150 200Time, nsec
2000
1500
1000
500
0
500V
olt
age, m
V
Background needs to be subtracted differently.
Alexander Vostrikov (UChicago/ANL) 8” MCP with PSEC4: 2012/03/01 March 13, 2012 15 / 28
DRAFT
Features: It does not affect zero level significantly
0 50 100 150 200Time, nsec
2000
1500
1000
500
0
500
Volt
age, m
V
Alexander Vostrikov (UChicago/ANL) 8” MCP with PSEC4: 2012/03/01 March 13, 2012 16 / 28
DRAFT
Amplitude distributions: Different positions
0.0 0.5 1.0 1.5 2.0Pulse amplitude, V
0
50
100
150
200
250
300
350
0.0 0.5 1.0 1.5 2.0Pulse amplitude, V
0
50
100
150
200
250
300
350
400
0.0 0.5 1.0 1.5 2.0Pulse amplitude, V
0
50
100
150
200
250
300
350
0.0 0.5 1.0 1.5 2.0Pulse amplitude, V
0
50
100
150
200
250
300
350
400
450
Alexander Vostrikov (UChicago/ANL) 8” MCP with PSEC4: 2012/03/01 March 13, 2012 17 / 28
DRAFT
Two ends of one strip — position 0 mm
0 20 40 60 80 100 120 140 160Time, nsec
350
300
250
200
150
100
50
0
50V
olt
age, m
V
Alexander Vostrikov (UChicago/ANL) 8” MCP with PSEC4: 2012/03/01 March 13, 2012 18 / 28
DRAFT
Time difference: CFD 50 % — position −9 mm
7.0 6.5 6.0 5.5 5.0Time difference, nsec
0
1
2
3
4
5
6
7
8µ=−5.337 nsec, σ=66.3 psec
Alexander Vostrikov (UChicago/ANL) 8” MCP with PSEC4: 2012/03/01 March 13, 2012 19 / 28
DRAFT
Time difference: CFD 50 % — position −6 mm
7.0 6.5 6.0 5.5 5.0Time difference, nsec
0
1
2
3
4
5
6
7
8µ=−5.368 nsec, σ=64.2 psec
Alexander Vostrikov (UChicago/ANL) 8” MCP with PSEC4: 2012/03/01 March 13, 2012 20 / 28
DRAFT
Time difference: CFD 50 % — position −3 mm
7.0 6.5 6.0 5.5 5.0Time difference, nsec
0
1
2
3
4
5
6
7µ=−5.409 nsec, σ=72.8 psec
Alexander Vostrikov (UChicago/ANL) 8” MCP with PSEC4: 2012/03/01 March 13, 2012 21 / 28
DRAFT
Time difference: CFD 50 % — position 0 mm
7.0 6.5 6.0 5.5 5.0Time difference, nsec
0
1
2
3
4
5
6
7
8µ=−5.425 nsec, σ=65.1 psec
Alexander Vostrikov (UChicago/ANL) 8” MCP with PSEC4: 2012/03/01 March 13, 2012 22 / 28
DRAFT
Time difference: CFD 50 % — position 3 mm
7.0 6.5 6.0 5.5 5.0Time difference, nsec
0
1
2
3
4
5
6µ=−5.488 nsec, σ=76.2 psec
Alexander Vostrikov (UChicago/ANL) 8” MCP with PSEC4: 2012/03/01 March 13, 2012 23 / 28
DRAFT
Time difference: CFD 50 % — position 6 mm
7.0 6.5 6.0 5.5 5.0Time difference, nsec
0
1
2
3
4
5
6µ=−5.532 nsec, σ=77.8 psec
Alexander Vostrikov (UChicago/ANL) 8” MCP with PSEC4: 2012/03/01 March 13, 2012 24 / 28
DRAFT
Time difference: CFD 50 % — position 9 mm
7.0 6.5 6.0 5.5 5.0Time difference, nsec
0
1
2
3
4
5µ=−5.552 nsec, σ=120.1 psec
Alexander Vostrikov (UChicago/ANL) 8” MCP with PSEC4: 2012/03/01 March 13, 2012 25 / 28
DRAFT
Time vs. position: CFD 25 %
10 5 0 5 10Position, mm
5.60
5.55
5.50
5.45
5.40
5.35
5.30
Tim
e d
iffe
rence
, nse
cSlope is 14.2 psec/mm
Alexander Vostrikov (UChicago/ANL) 8” MCP with PSEC4: 2012/03/01 March 13, 2012 26 / 28
DRAFT
Time vs. position: CFD 50 %
10 5 0 5 10Position, mm
5.60
5.55
5.50
5.45
5.40
5.35
5.30
Tim
e d
iffe
rence
, nse
cSlope is 13.1 psec/mm
Alexander Vostrikov (UChicago/ANL) 8” MCP with PSEC4: 2012/03/01 March 13, 2012 27 / 28
DRAFT
8” MCP timing analysis with PSEC4:Data from March 1, 2012
Bernhard Adams, Andrey Elagin, Razib Obaid,Eric Oberla, Alexander Vostrikov, Matthew Wetstein
University of ChicagoArgonne National Laboratory
March 13, 2012
LAPPD weekly meeting
Alexander Vostrikov (UChicago/ANL) 8” MCP with PSEC4: 2012/03/01 March 13, 2012 28 / 28
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