Proton Calorimetry/Experimental Runs/2018/Nov16-18: Difference between revisions
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## Intensity check with 50.57 MeV/u pristine Bragg peak. | ## Intensity check with 50.57 MeV/u pristine Bragg peak. | ||
## Shoot-through at 220.51 MeV/u for sensor intensity calibration. | ## Shoot-through at 220.51 MeV/u for sensor intensity calibration. | ||
## Individual range measurements from 50.57 MeV/u to 110 mm range: | ## Individual range measurements from 50.57 MeV/u (2.287cm) to 110 mm (=122.3 MeV/u) range: | ||
### 5mm steps from min to max. | ### 5mm steps from min to max. | ||
### 10 x 1mm steps from 50.57MeV/u upwards. | ### 10 x 1mm steps from 50.57MeV/u upwards. (10 lowest energy steps; 50.57MeV/u, 51.79MeV/u, 52.97,54.14,55.30, 56.44, 57.54,58.64,59.74,60.80 MeV/u = 2.287, 2.388,2.488,2.587,2.587,2.788,2.887,2.987,3.088,3.187 cm) | ||
### 10 x 1mm steps from ~100mm downwards. | ### 10 x 1mm steps from ~100mm downwards. (the 10 step down from 115.9 MeV: Ranges : 10.09,99.89,9.889,9.789,9.689,9.589,9.489,9.388,9.289,9.189) | ||
## SOBP with single pixel stripe in single acquisition. | ## SOBP with single pixel stripe in single acquisition. | ||
# Carbon: | # Carbon: |
Revision as of 23:24, 16 November 2018
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 (2.287cm) to 110 mm (=122.3 MeV/u) range:
- 5mm steps from min to max.
- 10 x 1mm steps from 50.57MeV/u upwards. (10 lowest energy steps; 50.57MeV/u, 51.79MeV/u, 52.97,54.14,55.30, 56.44, 57.54,58.64,59.74,60.80 MeV/u = 2.287, 2.388,2.488,2.587,2.587,2.788,2.887,2.987,3.088,3.187 cm)
- 10 x 1mm steps from ~100mm downwards. (the 10 step down from 115.9 MeV: Ranges : 10.09,99.89,9.889,9.789,9.689,9.589,9.489,9.388,9.289,9.189)
- 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.
- 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 in both positive and negative x.
- 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
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 |