Proton Calorimetry/Experimental Runs/2018/Nov16-18

2 night shifts with range calorimeter and single PMT module.

Equipment List

Item	Notes
Network Hub	Set in control room to take output from experimental room ethernet switcher. Control laptops connected via ethernet or 5GHz WiFi.
Control Laptop x2
DAQ desktop PC
Ethernet Switcher	Set in experiment room and connected DAQ desktop PC. Output sent to control room Network Hub.
Ethernet Cable x 5	To connect DAQ PC to switcher, switcher to Network Hub (long cable), 2 laptops to Network Hub, if scope: scope to switcher.

Range Detector Experiment

Item	Notes
Portable Enclosure	Modified Big Zarges Waterproof Wheeled Equipment Case. Features mount for scintillator and PMT, opening for beam, and ports for SHV, BNC, SMA, Camera Link cables. Hole for sensor powering. Mylar window with Al support mounted to internal face: approximately light-tight.
Scintillator stack	TO BE UPDATED 15 x 2 mm, 15 x 2.6 mm and 1 x 3 mm sheets in ascending order from the back of the scintillator to the front/beam. Except for sheet number 21 (2mm) which is placed at the end (away end from the beam) of the stack because of a crack in the sheet. Sheet numbers from front to end (in beam direction): 31,25,24,23,20,16,12,11,9,8,6,5,4,3,2,1,30,29,28,27,26,22,19,18,17,15,14,13,10,7,21.
ISDI CMOS sensor	sensor pixel dimension: 1030 x 1536. NO optical grease between scintillator and sensor. Connected to DAQ PC via Camera Link cable.
DAQ desktop PC	Controls sensor aquisition.
Gloves	For handling scintillator

Single Module Experiment

Item	Notes
Portable Enclosure	Modified Big Zarges Waterproof Wheeled Equipment Case. Features mount for scintillator and PMT, opening for beam, and ports for SHV, BNC, SMA, Camera Link cables. Hole for sensor powering. Mylar window with Al support mounted to internal face: approximately light-tight. BNC output from case connected to BNC to SMA adaptor.
Single Module Scintillator Blocks x5	1cm/3cm/5cm x 10cm x 10cm standard scintillator block. Optical gel required to couple Scintillator to PMT. 5cm and 3cm with black wrapping. 5cm, 3cm, 1cm mylar wrapping.
Photomultiplier Tube	Hamamatsu R13089 2"
Caen DT5751 Digitiser	Records PMT output, connected via SMA-MCX conversion. Used channel 3.
Caen NDT1470 HV Supply	Supplies HV to PMT
USB Cable	Caen units to DAQ PC
DAQ desktop PC	Controls Caen HV supply; records data from Caen digitiser.
Male-to-Male SMA Cable x3	Signal from enclosure port to digitiser. Short/Light and Long cables connected via SMA to SMA connector. If scope used: SMA splitter + SMA cable + SMA to BNC adaptor used to split the input signal and send it both to scope and digitiser.
DC-4200 MHz Signal Splitter	Splits SMA signal to two SMA signals – sent to Oscilloscope and Digitiser.
Female-to-Female SMA Connector	Connects Long SMA cable to Short/Light SMA cable.
Female-to-Female BNC to SMA Connector x2	From case to SMA cable (or splitter); From SMA cable to scope.
Male SMA to Male MCX Adaptor	Sends output from SMA cable to Digitiser
Gloves	For handling scintillator
Optical gel	For coupling scintillator to PMT
Wipes	For removing optical gel

Experiment List

16–17th November

Range calorimeter measurements with ISDI sensor + scintillator stack.

1. Helium:
   1. Background measurement.
   2. Intensity check with 50.57 MeV/u pristine Bragg peak.
   3. Shoot-through at 220.51 MeV/u for sensor intensity calibration.
   4. Individual range measurements from 50.57 MeV/u to 110 mm range:
      1. 5mm steps from min to max.
      2. 10 x 1mm steps from 50.57MeV/u upwards.
      3. 10 x 1mm steps from ~100mm downwards.
   5. SOBP with single pixel stripe in single acquisition.
2. Carbon:
   1. Background measurement.
   2. Intensity check with 88.83 MeV/u pristine Bragg peak.
   3. Shoot-through at 430.10 MeV/u for sensor intensity calibration.
   4. Individual range measurements from 88.83 MeV/u to 110 mm range:
      1. 5mm steps from min to max.
      2. 10 x 1mm steps from 88.83 MeV/u upwards.
      3. 10 x 1mm steps from ~100mm downwards.
   5. SOBP with single pixel stripe in single acquisition.

Experiment List

16–17th November

Range calorimeter measurements with ISDI sensor + scintillator stack.

1. Helium:
   1. Background measurement.
   2. Intensity check with 50.57 MeV/u pristine Bragg peak.
   3. Shoot-through at 220.51 MeV/u for sensor intensity calibration.
   4. Individual range measurements from 50.57 MeV/u to 110 mm range:
      1. 5mm steps from min to max.
      2. 10 x 1mm steps from 50.57MeV/u upwards.
      3. 10 x 1mm steps from ~100mm downwards.
   5. SOBP with single pixel stripe in single acquisition.
2. Proton:
   1. Background measurement.
   2. Intensity check with 48.12 MeV pristine Bragg peak.
   3. Shoot-through at 221.06 MeV/u for sensor intensity calibration.
   4. Individual range measurements from 48.12 MeV/u to 110 mm range:
      1. 5mm steps from min to max.
      2. 10 x 1mm steps from 48.12 MeV/u upwards.
      3. 10 x 1mm steps from ~100mm downwards.
   5. SOBP with single pixel stripe in single acquisition.
   6. Position scan at 100mm with 30mm transverse offset.
3. Oxygen:
   1. Background measurement.
   2. Intensity check with 103.77 MeV pristine Bragg peak.
   3. Shoot-through at 514.82 MeV/u for sensor intensity calibration.
   4. Individual range measurements from 103.77 MeV/u to 110 mm range:
      1. 5mm steps from min to max.
      2. 10 x 1mm steps from 103.77 MeV/u upwards.
      3. 10 x 1mm steps from ~100mm downwards.
   5. SOBP with single pixel stripe in single acquisition.
4. Mixed particle tests:
   1. Helium SOBP at 260mm downwards; Carbon SOBP at 100mm downwards.
   2. Repeat measurements with 50mm PMMA sheets until Helium SOBP fully contained in detector.
   3. Add 30mm PMMA sheet and repeat Helium measurements in small transverse steps (tumour motion simulation).

17–18th November

Single module

17–18th November

Single module

Beam Tests

16–17th November

Run Number	High Voltage (V)	Trigger Level (mV)	Trigger Source	Beam Current / Rate	Collimator	Filename	Notes
00	-900	70, +ve	Tracker (C2)	170pA/~10 kHz	2 mm centred	run00_2mmCCol_160pA_TrackTrig	First test of tracker/PMT synchronisation