Proton Calorimetry/Experimental Runs/2016/Aug2-3

Clatterbridge experimental run, August 2nd--3rd: Day 1

Wheel calibration

Equipment setup:

• DC offset: -30 mV
• Record length: 456 ns
• Threshold: 40 LSB
• Trigger: 194 mV
• Gate offset: 10 ns
• Pre-trigger: 50 ns
• Charge sensitivity: 20 fc/LSB

High voltage	Trigger	Rate and additional information	Collimator size & beam information	Wheel step position	Data recorded	Run number	Comments
-900	ST	Beam off: I: 150.51 μ Beam on: Rate: 300 kHz on startup. Rate: 25 kHz at -100 mV.	1.98 mm Beam startup: Arc current: 750 mV Gas source: 0.67 cc/min Beam settings change: Arc current: 50 μ Gas source: 0.39 cc/min Dose rate: 0.1 MU/min	N/A		00 (startup)	?
-900	ST			0	ADC	01	~7000 events in peak
-900	ST			0	waveforms	03	~7000 events in peak