Proton Calorimetry/Experimental Runs/2014/Dec8-9

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Include all details of experimental runs from Anastasia's PDFs.

PAGE UNDER CONSTRUCTION

Contents


Day 1 (December 8th)

Notes

  • Black cloth was placed around the box containing the module, but did NOT cover the face of the scintillator
  • Distance between the beam and the modeule: ~30 cm (as for previous tests)
  • Beam nozzle diameter: 34 mm

Rate Tests

High Voltage (V) Trigger Rate + Additional Information Electronics Setup Collimator Size + Additional Information Run Number
800 ST

HV on: 10.30 am, data taking: 11.00 am

  • I: 65.8 μA
  • Scope Threshold: 62 mV
  • Rate: 430-500 Hz (after ~10 minutes of beam on)
  • DC offset: 0
  • Threshold 40 LSB
  • Gate offset: 20 ns
  • Charge sens.: 20 fC/LSB
  • Short gate: 60 ns
  • Long gate:200 ns
  • 2 mm
  • 60 MeV beam
  • Flow rate: 1.1 cc/min
  • Arc current: 0
002 (150,000 events)
800 ST
  • Rate: 630-1000 Hz
  • wd: 3 mm
As above 3 mm 003 (450,000 events)
800 ST
  • Rate: 2.1-2.7 kHz
  • wd: 5 mm
As above 5 mm 004 (700,000 events)
800 ST
  • Rate: 2.5-2.85 kHz
  • wd: 4 mm
As above 4 mm 005 (1,000,000 events)
800 ST
  • Rate: 13-14 kHz
  • wd: 8 mm
As above 8 mm 006 (5,000,000 events)
800 ST
  • Rate: 20-25 kHz
  • wd: 10 mm
As above 10 mm 007 (5,000,000 events)
800 ST
  • Rate: 65-100 kHz
  • Note: Beam off for lunch for ~1.5 hours
As above 10 mm (Repeat measurement - run 007) 008 (4,600,000 events)
800 ST
  • Rate 100 kHz
  • Note: A lot of pile up
As above +
  • Long gate: 100 ns
10 mm 009 (3,000,000 events)
800 ST
  • Note: A lot of pile up
As above + Short gate: 49 ns, Long gate: 50 ns 10 mm 010 (2,500,000 events)
800 ST
  • Rate: 3.3-3.6 kHz
  • wd: 2 mm
As above +
  • Short gate: 60 ns
  • Long gate: 200 ns
2 mm (Repeat measurement - run 002) 011 (350,000 events)
800 ST As above +
  • Long gate: 100 ns
2 mm 012 (350,000 events)
800 ST
  • Rate: 3.2 kHz
As above 2 mm (Repeat measurement - run 012) 013 (350,000 events)
800 ST As above +
  • Short gate: 49 ns
  • Long gate: 200 ns
2 mm 014 (350,000 events)
800 ST As above +
  • Short gate: 60 ns
  • Long gate: 200 ns
2 mm (Repeat measurement - run 002) 015 (350,000 events)
800 ST
  • Rate: 1.4 kHz
  • wd: 1 mm
As above 1 mm 016 (300,000 events)
800 ST
  • Rate: 300-350 Hz
  • wd: 0.5 mm
As above 0.5 mm, Cent red at 0 017 (320,000 events)
800 ST
  • Rate: 300 Hz
As above 0.5 mm, 8 mm off centre, horizontal right 018 (125,000 events)
800 ST
  • Rate: 210 Hz
As above 0.5 mm, 16 mm off centre, horizontal right 019 (100,000 events)
800 ST
  • Rate: 300 Hz
As above 0.5 mm, 8 mm off centre, horizontal left 020 (100,000 events)
800 ST
  • Rate: 190 Hz
As above 0.5 mm, 16 mm off centre, horizontal left 021 (100,000 events)
800 ST
  • Rate: 310 Hz
As avove 0.5 mm, 8 mm off centre, vertical up 022 (100,000 events)
800 ST
  • Rate: 200 Hz
As above 0.5 mm, 8 mm off centre, vertical up 023 (100,000 events)
800 ST
  • Rate: 3.7 Hz (?)
  • wd: 2 mm
As above 2 mm (Repeat measurement - run 002) 024 (350,000 events)
800 ST
  • Rate: 4.3 Hz
As above 2 mm, Beam off (background run) 025 (450 events)
800 ST
  • Rate: 5.9 kHz
As above 2 mm, Flow rate: 1.3 cc/min 026 (500,000 events)
800 ST
  • Rate: 5.9-6 kHz
  • Note: Peak shifted to higher ADC during running
As above 2 mm, Flow rate: 1.6 cc/min 027 (350,000 events)
800 ST
  • Rate: unstable
  • Note: Peak stabilised at higher ADC
As above 2 mm 028 (2,366,000 events)
800 ST
  • Rate (0 current): 4.5 kHz
  • Rate (1/4 of a turn of current): 4.5 kHz
  • Rate (xurrent at 0.8-0.9): 250 kHz
As above 2 mm, Flow rate: 1.1 cc/min, Arc current: 1/10th of therapy setting (0.8-0.9) 029 (3,200,000 events)
800 ST
  • Rate (~1 turn away from "off" position for arc current): 4.22 kHz
As above 2 mm, Arc current: ~1 turn away from "off" position 030 (350,000 events)
900 ST As above +
  • Long gate: 100 ns
2 mm 032 (350,000 events)
900 ST As above +
  • Short gate: 49 ns
  • Long gate: 50 ns
2 mm 033 (350,000 events)
1000 ST
  • Rate: 2.9 kHz
As above +
  • Short gate: 60 ns
  • Long gate: 200 ns
2 mm 034 (350,000 events)
1000 ST As above +
  • Short gate: 100 ns
2 mm 035 (350,000 events)
1000 ST
  • Rate 2-2.5 kHz
As above +
  • Short gate: 49 n
  • Long gate: 50 ns
2 mm 036 (350,000 events)

Day 2 (December 9th)

Notes

  • HV on for 15 minutes before measurements started
  • Background rate for Hexagonal Module (for 800 V on the PMT, with beam off and 2 mm collimator in place): 4.5 Hz
  • Current at 800 V: 65.8 μA (with the beam off), 65.9 μA (with the beam on)

Rate Tests

High Voltage (V) Trigger Rate + Additional Information Electronics Setup Collimator Size + Additional Information Run Number
800 ST
  • Rate: 3.6 kHz
  • wd: 2 mm / lin / 800 V
  • Note: energy dergadation measurements
As above +
  • Short gate: 60 ns
  • Long gate: 200 ns
  • 2 mm
  • Flow rate: 1.1 cc/min
  • Arc current: 0
037 (350,000 events)
800 ST As above +
  • Long gate: 100 ns
2 mm 038 (350,000 events)
800 ST
  • Rate: 2.5-2.7 kHz
As above +
  • Short gate: 49 ns
  • Long gate: 200 ns
2mm 039 (350,000 events)
900 ST
  • Rate: 3.1 kHz
  • I: 74.2 μA
  • wd: 2 mm / lin / 900 V
As above +
  • Short gate: 60 ns
  • Long gate: 200 ns
2mm 040 (350,000 events)
900 ST As above +
  • Long gate: 100 ns
2 mm 041 (350,000 events)
900 ST
  • Rate: 4.5 kHz
As above +
  • Short gate: 49 ns
  • Long gate: 50 ns
2 mm 042 (350,000 events)
900 ST
  • Rate: 2.5 kHz
  • wd: 2 mm / lin / 900 V / 5.07 mm
As above +
  • Long gate: 100 ns
2 mm
  • 5.07 mm of PMMA, single plate placed ~1.8 m upstream of beam
043 (350,000 events)
900 ST As above +
  • Long gate: 100 ns
2 mm
  • 5.07 mm of PMMA
044 (350,000 events)
900 ST As above +
  • Short gate: 49 ns
  • Long gate: 50 ns
2 mm
  • 5.07 mm of PMMA
045 (350,000 events)
800 ST
  • Rate: 3.2 kHz
  • wd: 2 mm / lin / 800 V / 5.07 mm
As above +
  • Short gate: 60 ns
  • Long gate: 200 ns
2 mm
  • 5.07 mm of PMMA
046 (350,000 events)
800 ST As above +
  • Long gate: 100 ns
2mm
  • 5.07 mm of PMMA
047 (350,000 events)
800 ST
  • Rate: 3.5 kHz
As above +
  • Short gate: 49 ns
  • Long gate: 50 ns
2 mm
  • 5.07 mm of PMMA
048 (350,000 events)
800 ST
  • Rate: 2-2.2 kHz
  • wd: 2 mm / lin / 800 V / 9.8 mm
As above +
  • Short gate: 60 ns
  • Long gate: 200 ns
2 mm
  • 9.8 mm of PMMA, single plate
049 (350,000 events)
800 ST As above +
  • Long gate: 100 ns
2mm
  • 9.8 mm of PMMA
050 (350,000 events)
800 ST As above +
  • Short gate: 49 ns
  • Long gate: 60 ns
2 mm
  • 9.8 mm of PMMA
051 (350,000 events)
900 ST
  • Rate: 2.8 kHz
  • wd: 2 mm / lin / 900 V / 9.8 mm
As above +
  • Short gate: 60 ns
  • Long gate: 200 ns
2mm
  • 9.8 mm of PMMA
052 (350,000 events)
900 ST As above +
  • Long gate: 100 ns
2 mm
  • 9.8 mm of PMMA
053 (350,000 events)
900 ST As above +
  • Short gate: 49 ns
  • Long gate: 50 ns
2mm
  • 9.8 mm of PMMA
054 (350,000 events)
900 ST
  • Rate: 1.8 kHz
  • wd: 2 mm / lin / 900 V / 14.12 mm
As above 2 mm
  • 14.12 mm of PMMA, single plate
055 (350,000 events)
900 ST As above +
  • Short gate: 60 ns
  • Long gate: 100 ns
2 mm
  • 14.12 mm of PMMA
056 (350,000 events)
900 ST As above +
  • Long gate: 200 ns
2 mm
  • 14.12 mm of PMMA
057 (350,000 events)
800 ST
  • Rate: 1.7 kHz
  • wd: 2 mm / lin / 800 V / 14.12 mm
As above 2 mm
  • 14.12 mm of PMMA
058 (350,000 events)
800 ST As above +
  • Long gate: 100 ns
2 mm
  • 14.12 mm of PMMA
059 (350,000 events)
800 ST As above +
  • Short gate: 49 ns
  • Long gate: 50 ns
2 mm
  • 14.12 mm of PMMA
060 (350,000 events)
800 ST
  • Rate: 1 kHz
  • wd: 2 mm / lin / 800 V / 17.94 mm
As above +
  • Short gate: 60 ns
  • Long gate: 200 ns
2mm
  • 17.94 mm of PMMA (9.04 mm + 8.9 mm plates)
061 (350,000 events)
800 ST As above +
  • Long gate: 100 ns
2 mm
  • 17.94 mm of PMMA
062 (300,000 events)
800 ST As above +
  • Short gate: 49 ns
  • Long gate: 50 ns
2 mm
  • 17.94 mss of PMMA
063 (300,000 events)
900 ST
  • Rate: 830 Hz
  • wd: 2 mm / lin / 900 V / 17.94 mm
  • Note: Automatic beam off during run
As above +
  • Short gate: 60 ns
  • Long gate: 200 ns
2 mm
  • 17.94 mm of PMMA
064 (143,000 events)
900 ST
  • Rate: 1.2 kHz
As above 2mm
  • 17.94 mm of PMMA
065 (315,000 events)
900 ST As above +
  • Long gate: 100 ns
2 mm
  • 17.94 mm of PMMA
066 (300,000 events)
900 ST As above +
  • Short gate: 49 ns
  • Long gate: 50 ns
2 mm
  • 17.94 mm of PMMA
067 (300,000 events)
900 ST
  • Rate: 330 Hz
  • wd: 2 mm / lin / 900 V / 19.94 mm
As above +
  • Short gate: 60 ns
  • Long gate: 200 ns
2 mm
  • 19.94 mm of PMMA (9.04 mm + 10.9 mm plates)
068 (200,000 events)
900 ST As above +
  • Long gate: 100 ns
2 mm
  • 19.94 mm of PMMA
069 (200,000 events)
800 ST As above +
  • Short gate: 49 ns
  • Long gate: 50 ns
2mm
  • 19.94 mm of PMMA
070 (200,000 events)
800 ST
  • Rate: 590 Hz
  • wd: 2 mm / lin / 800 V / 19.94 mm
As above +
  • Short gate: 60 ns
  • Long gate: 200 ns
2 mm
  • 19.94 mm of PMMA
071 (200,000 events)
800 ST As above +
  • Long gate: 100 ns
2 mm
  • 19.94 mm of PMMA
072 (250,000 events)
800 ST
  • Rate: 600 Hz
As above +
  • Short gate: 49 ns
  • Long gate: 60 ns
2 mm
  • 19.94 mm of PMMA
073 (200,000 events)
800 ST
  • Rate: 400 Hz
  • wd: 2 mm / lin / 800 V / 21.71 mm
As above +
  • Short gate: 60 ns
  • Long gate: 200 ns
2 mm
  • 21.21 mm of PMMA (9.04 mm + 12.67 mm plates)
074 (200,000 events)
800 ST As above +
  • Long gate: 100 ns
2 mm
  • 21.71 mm of PMMA
075 (200,000 events)
800 ST As above +
  • Short gate: 49 ns
  • Long gate: 50 ns
2 mm
  • 21.71 mm of PMM
076 (200,000 events)
900 ST
  • Rate: 500 Hz
  • wd: 2 mm / lin / 900 V / 21.71 mm
As above +
  • Short gate: 60 ns
  • Long gate: 200 ns
2 mm
  • 21.71 mm of PMMA
077 (200,000 events)
900 ST As above +
  • Long gate: 100 ns
2mm
  • 21.71 mm of PMMA
078 (120,000 events)
900 ST As above +
  • Short gate: 49 ns
  • Long gate: 50 ns
2mm
  • 21.71 mm of PMMA
079 (100,000 events)
1100 ST
  • Rate: 2.5 kHz
  • I: 90.55 μA
  • wd: 2 mm
As above +
  • Short gate: 60 ns
  • Long gate: 200 ns
2 mm 080 (200,000 events)
1100 ST As above+
  • Long gate: 100 ns
2 mm 081 (200,000 events)
800 ST
  • Rate: 400 kHz
  • wd: 2 mm / tests
  • Note: Beam manipulation tests
  • Note: Large pile up
As above +
  • Short gate: 60 ns
  • Long gate: 200 ns
2 mm
  • Flow rate: 1.6 cc/min
  • Arc current: 150 μA
  • Dose rate: 2 monitor units/minute
082 (3,000,000 events)
800 ST
  • Rate: 1 kHz
As above 2 mm, As above +
  • Arc current: 1 mA
  • Dephase: 190°
083 (100,000 events)
800 ST
  • Rate: 60 kHz
As above 2 mm, As above +
  • Dephase: 186°
084 (3,250,000 events)
800 ST
  • Rate: 200 kHz
As above 2 mm, As above +
  • Dephase: 184.5°
  • Dose rate: 0.6 monitor units/minute
085 (2,865,000 events)
1300 ST
  • Rate: 1.4-1.7 kHz
  • I: 232.75 μA
  • wd: 2 mm / Cerenekov
  • Note: Cerenekov tests
As above 2 mm
  • Flow rate: 1.6 cc/min
  • Arc current: 75 μA
086 (350,000 events)
1300 ST
  • Rate: 2.9 kHz
As above 2 mm, As above +
  • Arc current: 160 μA
087 (300,000 events)
1300 ST
  • Rate (beam off): 7-8 Hz
  • Rate (beam on): 3.2 kHz
As above
  • Beam stop: 16 mm of brass in nozzle
  • Beam parameters as above
088 (100,000 events)
1300 ST
  • Rate (beam off): 3Hz
  • Rate (beam on): 500 Hz
As above Beam stop:
  • Nozzle: 16 mm of brass
  • Upstream: 1 cm of lead + 3 cm of paraffin wax
089 (37,000 events)
1300 ST
  • Rate (beam off): 3 Hz
  • Rate (beam on): 400 Hz
As above Beam stop:
  • Nozzle: 16 mm of breass
  • Upstream: 20 cm of lead
N/A
1300 ST
  • Rate (beam off): 2.5 Hz
  • Rate (beam on): 400 hz
  • Note: Black cloth now covers the entrance face to prevent PMT tripping when corridor lights are switched on
As above Beam stop:
  • Nozzle: empty
  • Upstream: 20 cm of lead
N/A
1300 ST
  • Rate (beam off): 2 Hz
  • Rate (beam on): PMT trips from over-current
  • After tripping, the PMT is swithced back on and the rate is monitored. The rates decrease back to the background rate over a few minutes:
    • 5.88 Hz
    • 5 Hz
    • 4.34 Hz
    • 4.29 Hz
    • 3.33 Hz
    • 3.06 Hz
    • 3.13 Hz
    • 2.25 Hz
    • 2.10 Hz
As above Beam stop:
  • Nozzle: empty
  • Upstream: empty
N/A

Beam Manipulation Tests

  • 2 mm collimator in nozzle, 800 V
Flow Rate, cc/minute Arc Current Dose Rate, monitor units/minute Dephase, ° Rate PMT Current, μA
1.6 0 4-5 kHz 69.95
1.6 70 μA 1 250 kHz
1.6 Dropped compared to previous 0.5 140 kHz
1.6 Increased compared to previous 2 400 kHz
1.6 115 μA 2.2 400 kHz
1.6 3.4 300 kHz
1.6 150 μA 2.1 400 kHz
1.6 150 μA 0.5 183 150 kHz
1.6 150 μA 0.1 185 40 kHz
1.6 150 μA 0 190 300 kHz
1.6 1 mA 0 190 1 kHz
1.6 1 ma 0.2 186 60 kHz
1.6 1 mA 0.6 184.5 200 kHz
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