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. |
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. |
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.
- Helium:
- Background measurement.
- Intensity check with 50.57 MeV/u pristine Bragg peak.
- Shoot-through at 220.51 MeV/u for sensor intensity calibration.
- Individual range measurements from 50.57 MeV/u to 110 mm range:
- 5mm steps from min to max.
- 10 x 1mm steps from 50.57MeV/u upwards.
- 10 x 1mm steps from ~100mm downwards.
- SOBP with single pixel stripe in single acquisition.
- Carbon:
- Background measurement.
- Intensity check with 88.83 MeV/u pristine Bragg peak.
- Shoot-through at 430.10 MeV/u for sensor intensity calibration.
- Individual range measurements from 88.83 MeV/u to 110 mm range:
- 5mm steps from min to max.
- 10 x 1mm steps from 88.83 MeV/u upwards.
- 10 x 1mm steps from ~100mm downwards.
- SOBP with single pixel stripe in single acquisition.
Experiment List
16–17th November
Range calorimeter measurements with ISDI sensor + scintillator stack.
- Helium:
- Background measurement.
- Intensity check with 50.57 MeV/u pristine Bragg peak.
- Shoot-through at 220.51 MeV/u for sensor intensity calibration.
- Individual range measurements from 50.57 MeV/u to 110 mm range:
- 5mm steps from min to max.
- 10 x 1mm steps from 50.57MeV/u upwards.
- 10 x 1mm steps from ~100mm downwards.
- SOBP with single pixel stripe in single acquisition.
- Proton:
- Background measurement.
- Intensity check with 48.12 MeV pristine Bragg peak.
- Shoot-through at 221.06 MeV/u for sensor intensity calibration.
- Individual range measurements from 48.12 MeV/u to 110 mm range:
- 5mm steps from min to max.
- 10 x 1mm steps from 48.12 MeV/u upwards.
- 10 x 1mm steps from ~100mm downwards.
- SOBP with single pixel stripe in single acquisition.
- Position scan at 100mm with 30mm transverse offset.
- Oxygen:
- Background measurement.
- Intensity check with 103.77 MeV pristine Bragg peak.
- Shoot-through at 514.82 MeV/u for sensor intensity calibration.
- Individual range measurements from 103.77 MeV/u to 110 mm range:
- 5mm steps from min to max.
- 10 x 1mm steps from 103.77 MeV/u upwards.
- 10 x 1mm steps from ~100mm downwards.
- SOBP with single pixel stripe in single acquisition.
- Mixed particle tests:
- Helium SOBP at 260mm downwards; Carbon SOBP at 100mm downwards.
- Repeat measurements with 50mm PMMA sheets until Helium SOBP fully contained in detector.
- 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
Experiment Log
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 |