Proton Calorimetry/Experimental Runs/2014/Dec8-9

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

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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