Proton Calorimetry/Experimental Runs/2018/Nov16-18: Difference between revisions

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* smallest focus used for the beam  
* smallest focus used for the beam  
He ion beam
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|39 || high || 115.93 || 100.9 || 5x10^8 || 8.3 || He || high energy range measurement, 1mm step || - |
|39 || high || 115.93 || 100.9 || 5x10^8 || 8.3 || He || high energy range measurement, 1mm step || - |
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Carbon ion beam


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|00 || None || None || - || None || None || - || background || - |
|00 || None || None || - || None || None || - || background || - |
|-
|-
|01 || low || 50.57 || 22.9 || 10^8 ||  18.6|| He ||  low energy, low intensity || - |
|01 || low || 50.57 || 22.9 || 10^8 ||  18.6|| C ||  low energy, low intensity || - |
|}
|}

Revision as of 00:43, 17 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

RangeExperiment.png

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

SingleModuleExperiment.png

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 (2.287cm) to 110 mm (=122.3 MeV/u) range:
      1. 5mm steps from min to max.
      2. 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)
      3. 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)
    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.
  3. 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 in both positive and negative x.
  4. 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.
  5. 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

Experiment Log

Beam Tests

16–17th November

16 Nov comments:

  • smallest focus used for the beam

He ion beam

Run number Full Well Mode Beam Energy (MeV/u) Range (estimated) N particles Spot size (mm) Test type Comments Thumbnail
N well mode Energy MeV/u Range particles Spot FWHM test comments
00 None None - None None - background
01 low 50.57 22.9 10^8 18.6 He low energy, low intensity
02 high 50.57 22.9 8x10^8 18.6 He low energy, max clinical intensity
03 high 220.51 308.3 8x10^8 4.9 He 50mm PMMA absorber upstream, shoot-through
04 high 220.51 308.3 8x10^8 4.9 He (same as 3) 50mm PMMA absorber upstream, shoot-through
05 high 220.51 308.3 8x10^8 4.9 He (same as 3) 50mm PMMA absorber upstream, shoot-through
high 122.3 110.9 8x10^8 8.0 He range measurement was saturated, not saved
06 high 122.3 110.9 5x10^8 8.0 He range measurement, max range
07 high 122.3 110.9 5x10^8 8.0 He (same as 6) range measurement, max range
08 high 119.15 105.9 5x10^8 12.0 He range measurement 5mm step
09 high 119.15 105.9 5x10^8 12.0 He (same as 8) range measurement 10mm step
10 high 115.93 100.9 5x10^8 12.2 He range measurement 10mm step
11 high 109.28 90.9 5x10^8 12.5 He range measurement 10mm step
12 high 102.34 80.9 5x10^8 12.8 He range measurement 10mm step
13 high 95.02 70.9 5x10^8 13.3 He range measurement 10mm step
14 high 87.25 60.9 5x10^8 13.9 He range measurement 10mm step
15 high 78.92 50.9 3x10^8 14.7 He range measurement 10mm step
16 high 69.84 40.9 3x10^8 13.3 He range measurement 10mm step
17 high 60.8 31.9 3x10^8 15.4 He range measurement 10mm step
18 high 60.8 31.9 5x10^8 15.4 He range measurement 10mm step
19 high 59.74 30.9 5x10^8 15.7 He range measurement 1mm step
20 high 58.7 29.9 5x10^8 16.0 He range measurement 1mm step
21 high 57.55 28.9 5x10^8 16.3 He range measurement 1mm step
22 high 56.44 27.9 5x10^8 16.7 He range measurement 1mm step
23 high 55.30 26.9 5x10^8 17.0 He range measurement 1mm step
24 high 55.30 26.9 8x10^8 17.0 He (same as 23) range measurement 1mm step
25 high 54.15 25.9 8x10^8 17.4 He range measurement 1mm step
26 high 52.98 24.9 8x10^8 17.8 He range measurement 1mm step
27 high 51.79 23.9 8x10^8 18.2 He range measurement 1mm step
28 high 50.97 22.9 8x10^8 18.6 He range measurement 1mm step
29 high 122.3 110.9 5x10^8 8.0 He high energy range measurement, 1mm step
30 high 121.68 109.9 5x10^8 8.0 He high energy range measurement, 1mm step
31 high 121.05 108.9 5x10^8 8.1 He high energy range measurement, 1mm step
32 high 120.42 107.9 5x10^8 8.1 He high energy range measurement, 1mm step
33 high 119.78 106.9 5x10^8 8.1 He high energy range measurement, 1mm step
34 high 119.15 105.9 5x10^8 8.2 He high energy range measurement, 1mm step
35 high 118.51 104.9 5x10^8 8.2 He high energy range measurement, 1mm step
36 high 117.87 103.9 5x10^8 8.2 He high energy range measurement, 1mm step
37 high 117.23 102.9 5x10^8 8.3 He high energy range measurement, 1mm step
38 high 116.58 101.9 5x10^8 8.3 He high energy range measurement, 1mm step
39 high 115.93 100.9 5x10^8 8.3 He high energy range measurement, 1mm step

Carbon ion beam

Run number Full Well Mode Beam Energy (MeV/u) Range (estimated) N particles Spot size (mm) Test type Comments Thumbnail
N well mode Energy MeV/u Range particles Spot FWHM test comments
00 None None - None None - background
01 low 50.57 22.9 10^8 18.6 C low energy, low intensity
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