Proton Calorimetry/Experimental Runs/2022/Jun16

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Afternoon test at UCLH with photodiodes and CMOS sensor.

Experiment Equipment

Item Notes
Network Hub Set in control room to take output from experimental room ethernet connection. Control laptops connected via 5GHz WiFi.
Control Laptop x3 2 for remote control of CMOS sensor and FPGA, 1 for notes/web GUI.
Ethernet Cable x 3 To connect DAQ laptops to network in the experimental room, network hub to network in control room.
Portable Enclosure Modified Big Zarges Waterproof Wheeled Equipment Case.

Features mount for scintillator stack, front and back openings for beam, patch panel with ports for SHV, BNC, SMA, USB, Camera Link cables.
Hole for sensor powering.
Mylar windows with Al support mounted to internal face: approximately light-tight.

Rev. B Scintillator stack 49 (25 clear, 23 white painted and 1 black painted) X x 100 mm, Y x 100 mm and Z x (approx) 2.8 mm sheets in ascending order from the front/beam of the end of the scintillator. Sheet numbers from front to end (in beam direction gantry angle 270°): 79, 68, 73, 62, 81, 72, 64, 67, 65, 71, 78, 77, 74, 75, 85, 82, 83, 76, 70, 80, 69, 84, 63, 66, 61, 34, 43, 32, 8, 40, 37, 38, 47, 46, 33, 42, 9, 39, 44, 49, 50, 31, 1, 45, 3, 54, 5, 51, 26. Full stack thickness measurements (in mm): 138.12, 137.74, 137.74.
Rev. C Scintillator stack 32 X x 105 mm, Y x 105 mm and Z x (approx) 3 mm sheets (21 3.4 mm and 11 2.0 mm) in ascending order from the front/beam of the end of the scintillator. Sheet numbers from front to end (in beam direction gantry angle 90°): 117, 113, 134, 110, 108, 128, 107, 106, 127, 105, 104, 125, 103, 102, 124, 101, 98, 123, 97, 96, 122, 94, 93, 121, 92, 90, 120, 89, 88, 119, 87, 135. Full stack thickness measurements (in mm): 95.87, 95.96, 95.97.
DAQ laptop x2 Control CMOS sensor and photodiode acquisition.
ISDI CMOS sensor sensor pixel dimension: 1030 x 1536. NO optical grease between scintillator and sensor. Connected to DAQ PC via Camera Link cable.
Nexys Video FPGA development board. For interfacing between DDC232 and PC.
Rev. B Texas Instruments DDC232 custom circuit board (x3) Each housing 16x Hamamatsu S12915-16R photodiodes, coupled directly to scintillator sheets. Aligned by eye to scintillator sheets.
Rev. C Texas Instruments DDC232 custom circuit board (x1) Housing 32x Hamamatsu S12915-16R photodiodes, coupled directly to scintillator sheets. Aligned by eye to scintillator sheets.
Gloves For handling scintillator

Schematic

UCL_Setup.png

Experiment Plan

Rev. B Prototype

  • Background & calibration shoot-throughs (background at all 8 DDC232 full-scale ranges – likely 12.5 pC is most appropriate FSR)
  • Pencil beams, 70-130 MeV, 10 MeV steps, in both directions into stack. For direction with Bragg peak in clear sheets, test 2 currents (high/low)

Rev. C Prototype

  • Background & calibration shoot-throughs (12.5 pC FSR)
  • Pencil beams, 70-110 MeV, 5 MeV steps, at clinical current.

Experiment Notes

Range calorimeter measurements with CMOS sensor + photodiodes.

Images from Sensor: /unix/www/html/pbt/wikiData/images/UCLH_Jun2022/CMOS

Photodiode hexadecimal data: /unix/pbt/data/uclh/20220616/DDC232

Run number Beam Energy (MeV) Estimated Range (mm) Current (nA) Spot size (mm, FWHM) DDC232 FSR (pC) DDC232 Integration Time (us) Degrader WET (mm) Comments Photodiode QB Fit Replay Fit
0 Background N/A N/A N/A 350 170 0 room light off N/A N/A
1 Background N/A N/A N/A 300 170 0 room light off N/A N/A
2 Background N/A N/A N/A 250 170 0 room light off N/A N/A
3 Background N/A N/A N/A 200 170 0 room light off N/A N/A
4 Background N/A N/A N/A 150 170 0 room light off N/A N/A
5 Background N/A N/A N/A 100 170 0 room light off N/A N/A
6 Background N/A N/A N/A 50 170 0 room light off N/A N/A
7 Background N/A N/A N/A 12.5 170 0 room light off (continued) N/A N/A
8 240 N/A 10 N/A 350 170 50 LH shoot through; 270° gantry; CMOS sensor saturated N/A N/A
9 240 N/A 10 N/A 12.5 170 50 LH shoot through; 270° gantry; CMOS sensor saturated N/A N/A
10 240 N/A 10 N/A 12.5 170 50 RH shoot through; 90° gantry; CMOS sensor saturated N/A N/A
11 200 N/A 90 N/A 12.5 170 50 RH shoot through; 90° gantry; CMOS sensor saturated; N/A N/A
12 200 N/A 20 N/A 12.5 170 50 RH shoot through; 90° gantry; CMOS sensor fine; N/A N/A
13 130 N/A 50 N/A 12.5 170 0 90° gantry; CMOS sensor slight saturation; N/A N/A
14 120 N/A 60 N/A 12.5 170 0 90° gantry; CMOS sensor saturated; N/A N/A
15 120 N/A 270 N/A 12.5 170 0 90° gantry; CMOS sensor saturated; N/A N/A
16 110 N/A 70 N/A 12.5 170 0 90° gantry; CMOS sensor saturated; N/A N/A
17 110 N/A 300 N/A 12.5 170 0 90° gantry; CMOS sensor saturated; N/A N/A
18 100 N/A 90 N/A 12.5 170 0 90° gantry; CMOS sensor saturated; N/A N/A
19 100 N/A 350 N/A 12.5 170 0 90° gantry; CMOS sensor saturated; N/A N/A
20 90 N/A 110 N/A 12.5 170 0 90° gantry; CMOS sensor fine; N/A N/A
21 90 N/A 400 N/A 12.5 170 0 90° gantry; CMOS sensor fine; N/A N/A
22 80 N/A 500 N/A 12.5 170 0 90° gantry; CMOS sensor fine; N/A N/A
23 70 N/A 700 N/A 12.5 170 0 90° gantry; CMOS sensor fine; N/A N/A
24 130 N/A 200 N/A 12.5 170 0 90° gantry; CMOS sensor saturated; N/A N/A
25 200 N/A 20 N/A 12.5 170 50 LH shoot through; 270° gantry; CMOS sensor fine; N/A N/A
26 130 N/A 200 N/A 12.5 170 0 270° gantry; CMOS sensor saturated; N/A N/A
27 120 N/A 270 N/A 12.5 170 0 270° gantry; CMOS sensor saturated; N/A N/A
28 110 N/A 300 N/A 12.5 170 0 270° gantry; CMOS sensor saturated; N/A N/A
29 100 N/A 350 N/A 12.5 170 0 270° gantry; CMOS sensor saturated; N/A N/A
30 90 N/A 400 N/A 12.5 170 0 270° gantry; CMOS sensor saturated; N/A N/A
31 80 N/A 500 N/A 12.5 170 0 270° gantry; CMOS sensor saturated; N/A N/A
32 70 N/A 700 N/A 12.5 170 0 270° gantry; CMOS sensor saturated; N/A N/A
33 background N/A N/A N/A 12.5 170 0 RevC onwards; 270° gantry N/A N/A
34 240 N/A 13 N/A 12.5 170 50 LH shoot through; 270° gantry N/A N/A
35 240 N/A 13 N/A 12.5 170 50 RH shoot through; 90° gantry N/A N/A
36 110 N/A 300 N/A 12.5 170 0 90° gantry; N/A N/A
37 105 N/A 350 N/A 12.5 170 0 90° gantry; N/A N/A
38 100 N/A 350 N/A 12.5 170 0 90° gantry; N/A N/A
39 95 N/A 400 N/A 12.5 170 0 90° gantry; N/A N/A
40 90 N/A 400 N/A 12.5 170 0 90° gantry; N/A N/A
41 85 N/A 500 N/A 12.5 170 0 90° gantry; N/A N/A
42 80 N/A 500 N/A 12.5 170 0 90° gantry; N/A N/A
43 75 N/A 700 N/A 12.5 170 0 90° gantry; N/A N/A
44 70 N/A 700 N/A 12.5 170 0 90° gantry; N/A N/A

Crosstalk Measurements in D27 (25/07/22)

Aim: Measure crosstalk between sheets of detector prototypes used in UCLH beam test

Notes

  • Rev. B DDC232 settings: 170us integration time and measured 10000 samples per run.
  • Signal Generator settings: 0 ps delay, 500 kHz, 300 ns width, 5 ns leading edge and trailing edge, 6V high, 0V low.
  • Fibre used: 25

Rev. B Prototype

Data saved in /unix/pbt/data/ucl/20220725/RevB

Run Description Full Scale Range (pC) Graph
0 Background 12.5

Run000.png

1 Photodiode 1 12.5

Run001.png

2 Photodiode 2 12.5

Run002.png

3 Photodiode 3 12.5

Run003.png

4 Photodiode 4 12.5

Run004.png

5 Photodiode 5 12.5

Run005.png

6 Photodiode 6 12.5

Run006.png

7 Photodiode 7 12.5

Run007.png

8 Photodiode 8 12.5

Run008.png

9 Photodiode 9 12.5

Run009.png

10 Photodiode 10 12.5

Run010.png

11 Photodiode 11 12.5

Run011.png

12 Photodiode 12 12.5

Run012.png

13 Photodiode 13 12.5

Run013.png

14 Photodiode 14 12.5

Run014.png

15 Photodiode 15 12.5

Run015.png

16 Photodiode 16 12.5

Run016.png

17 Photodiode 17 12.5

Run017.png

18 Photodiode 18 12.5

Run018.png

19 Photodiode 19 12.5

Run019.png

20 Photodiode 20 12.5

Run020.png

21 Photodiode 21 12.5

Run021.png

22 Photodiode 22 12.5

Run022.png

23 Photodiode 23 12.5

Run023.png

24 Photodiode 24 12.5

Run024.png

25 Photodiode 25 12.5

Run025.png

Rev. C Prototype

Data saved in /unix/pbt/data/ucl/20220725/RevC

Run Description Full Scale Range (pC) Graph
0 Background 12.5

Run000.png

1 Photodiode 31 12.5

Run001.png

2 Photodiode 29 12.5

Run002.png

3 Photodiode 28 12.5

Run003.png

4 Photodiode 26 12.5

Run004.png

5 Photodiode 23 50

Run005.png

6 Photodiode 22 12.5

Run006.png

7 Photodiode 20 12.5

Run007.png

8 Photodiode 19 50

Run008.png

9 Photodiode 17 50

Run009.png

10 Photodiode 16 12.5

Run010.png

11 Photodiode 14 12.5

Run011.png

12 Photodiode 13 12.5

Run012.png

13 Photodiode 11 50

Run013.png

14 Photodiode 10 50

Run014.png

15 Photodiode 8 12.5

Run015.png

16 Photodiode 7 12.5

Run016.png

17 Photodiode 5 12.5

Run017.png

18 Photodiode 4 12.5

Run018.png

19 Photodiode 2 12.5

Run019.png

20 Photodiode 1 12.5

Run020.png

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