Proton Calorimetry/Experimental Runs/2022/Sep1: Difference between revisions

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|17 || IMG0072 ||  xx MeV ||  ||  125 nA || || 0.5 || f/5.6 || ISO100 ||  || || <div class="image150px" style="text-align: center;"> [PIC2]</div> ||  
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Revision as of 16:52, 1 September 2022

Detector Equipment

  • C-section stack holder containing 25 clear scintillator sheets around 2.86 mm thick with 24 sheets of mylar foil. Add 25th sheet of Mylar?
  • C-section stack holder containing 23 white painted scintillator sheets around 2.86 mm thick.
  • Zarges case.
  • Clatterbridge stack A and B (to be assembled during beam test)
  • DDC232 rev. B x2 & Nexys Video.
  • Single Scintillator Block & camera.

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

Estimated first beam: 16.00.

  1. Set up mains cabling and networking in treatment and control rooms.
  2. Install Peli case and Giraffe on treatment couch:
    1. Set up 2 x 2.86mm stacks for shoot through measurement of range pullback at ~245MeV (no DAQ needed).
    2. Align Peli case and Giraffe using in-room lasers.
    3.  Measure range pullback of combined stack, each individual stack and empty case.
  3. Set up Peli case for range pullback measurement of single block:
    1. Remove long rail from Peli case and install single scintillator block.
    2. Simultaneously dismantle 2 x 2.86mm stacks and assemble Clatterbridge stacks with rev.B DDC board.
    3. Check alignment of Peli case and Giraffe.
    4. Measure range pullback of single block.
  4. Set up Peli case for range pullback measurement of 32 x 3mm stack:
    1. Remove single scintillator block.
    2. Install 32 x 3mm stack with rotated rail; reinstall long rail.
    3. Simultaneously install single scintillator block in Zarges case with camera.
    4. Check alignment of Peli case and Giraffe.
    5. Measure range pullback of 32 x 3mm stack.
  5. Set up Peli case for range pullback measurement of Clatterbridge stacks:
    1. Remove 32 x 3mm stack; install Clatterbridge stacks on long rail and clamp in place.
    2. Check alignment of Peli case and Giraffe.
    3. Measure range pullback of Clatterbridge stacks together and individually.
  6. Set up Zarges case for single block quenching measurements:
    1. Remove Peli case and Giraffe from treatment couch.
    2. Install Zarges case on treatment couch and align with room lasers.
    3. Connect DAQ and check camera functionality.
    4. Simultaneously set up Peli case with Clatterbridge stacks and FPGAs ready for shoot throughs.
    5. Measure light output from shoot through and set exposure time.
    6. Record photos of single block light output for energies from 70 MeV to ~150MeV (maximum energy with beam still in block).
  7. Set up Peli case for Clatterbridge DAQ measurements:
    1. Remove Zarges case from treatment couch; install Peli case with FPGA, cabling and Clatterbridge stacks.
    2. Check alignment of Peli case and DAQ hardware.
    3. Record DDC calibration data for shoot through and background.
  8. Set up Peli case for 32 x 3mm stack measurements:
    1. Remove Clatterbridge stacks and store safely.
    2. Install 32 x 3mm stack in Peli case with rev.C/D DDC board.
    3. Check alignment of Peli case and DAQ hardware.
    4. Measure background and shoot through of 32 x 3mm stack.
    5. Measure proton energies in range 70–110 MeV.
  9. Dismantle equipment, pack up and fuck off.

Experiment Notes

Range Pull Back Measurements

Range calorimeter measurements with CMOS sensor + photodiodes.

Images from Camera: /unix/www/html/pbt/wikiData/images/UCLH_Sep2022/Nikon

Photodiode hexadecimal data: /unix/pbt/data/uclh/20220901/DDC232

Run number Detector config Beam Energy (MeV) Beam Current (nA) Physical thickness (mm) D80 measured (mm) Comments
0 Clear stack + white stack 210 40 N/A 139.1 Nominal: 282.1 mm
1 Clear stack 210 40 N/A 206.6 Nominal: 282.1 mm
2 White stack 210 40 N/A 212.3 Nominal: 282.1 mm
3 Empty Case 210 40 N/A 280.0 Nominal: 282.1 mm
4 Single block 210 40 N/A 94.2 Curve looks really bad!!
5 REVD 210 40 N/A 182.0
6 Clatterb. A 210 N/A N/A 238.4
7 Air - no box 210 N/A N/A 280.0 Here we see that the windows have no effect as this results is equal to run 3
8 Clatterb. B 210 40 N/A 238.9

Light Quenching Measurements

APERTURE: F/5.6 Shutter speed: 5 s ISO: 100

Run number Image number Beam Energy (MeV) Estimated Range (mm) Current (nA) Spot size (mm, FWHM) Exposure (s) Aperture ISO Degrader WET (mm) Comments Image Fit
0 IMG0047 Background 5 f/5.6 ISO100
[PIC]
Background, exposure 5s
1 IMG0048 245 MeV 366.3 10 1 f/5.6 ISO100
[PIC2]
exposure 1s
2 IMG0049 245 366.3 10 0.5 f/5.6 ISO100
[PIC2]
3 IMG0050 245 MeV 10 0.25 f/5.6 ISO100
[PIC2]
4 IMG0051 245 MeV 10 0.1 f/5.6 ISO100
[PIC2]
5 IMG0052 70 MeV 700 0.5 f/5.6 ISO100
[PIC2]
6 IMG0053 70 0.25 f/5.6 ISO100
[PIC2]
7 IMG0054 70 MeV 0.1 f/5.6 ISO100
[PIC2]
8 IMG0055 70 MeV 0.05 f/5.6 ISO100
[PIC2]
9 IMG0056 75 MeV 700 nA 0.5 f/5.6 ISO100
[PIC2]
10 IMG0057 75 MeV 0.25 f/5.6 ISO100
[PIC2]
11 IMG0058 75 MeV 0.1 f/5.6 ISO100
[PIC2]
12 IMG0059 75 MeV 0.05 f/5.6 ISO100
[PIC2]
13 IMG0060 80 MeV 500 nA 0.5 f/5.6 ISO100
[PIC2]
14 IMG0061 80 MeV 500 nA 0.25 f/5.6 ISO100
[PIC2]
exposure 1s
15 IMG0062 80 MeV 500 nA 0.1 f/5.6 ISO100
[PIC2]
exposure 1s
16 IMG0063 80 MeV 500 nA 0.05 f/5.6 ISO100
[PIC2]
17 IMG0064 130 MeV 200 nA 0.5 f/5.6 ISO100
[PIC2]
18 IMG0065 130 MeV 200 nA 0.25 f/5.6 ISO100
[PIC2]
19 IMG0066 130 MeV 200 nA 0.1 f/5.6 ISO100
[PIC2]
20 IMG0067 130 MeV 200 nA 0.05 f/5.6 ISO100
[PIC2]
17 IMG0068 140 MeV 165 nA 0.5 f/5.6 ISO100
[PIC2]
18 IMG0069 140 MeV nA 0.25 f/5.6 ISO100
[PIC2]
19 IMG0070 140 MeV nA 0.1 f/5.6 ISO100
[PIC2]
20 IMG0071 140 MeV nA 0.05 f/5.6 ISO100
[PIC2]
17 IMG0072 150 MeV 125 nA 0.5 f/5.6 ISO100
[PIC2]
18 IMG0073 MeV nA 0.25 f/5.6 ISO100
[PIC2]
19 IMG0074 MeV nA 0.1 f/5.6 ISO100
[PIC2]
20 IMG0075 MeV nA 0.05 f/5.6 ISO100
[PIC2]
17 IMG0076 160 MeV 125 nA 0.5 f/5.6 ISO100
[PIC2]
18 IMG0077 MeV nA 0.25 f/5.6 ISO100
[PIC2]
19 IMG0078 MeV nA 0.1 f/5.6 ISO100
[PIC2]
20 IMG0079 MeV nA 0.05 f/5.6 ISO100
[PIC2]
17 IMG0080 170 MeV 130 nA 0.5 f/5.6 ISO100
[PIC2]
18 IMG0081 MeV nA 0.25 f/5.6 ISO100
[PIC2]
19 IMG0082 MeV nA 0.1 f/5.6 ISO100
[PIC2]
20 IMG0083 MeV nA 0.05 f/5.6 ISO100
[PIC2]
17 IMG0084 xx MeV 125 nA 0.5 f/5.6 ISO100
[PIC2]
18 IMG0085 MeV nA 0.25 f/5.6 ISO100
[PIC2]
19 IMG0086 MeV nA 0.1 f/5.6 ISO100
[PIC2]
20 IMG0087 MeV nA 0.05 f/5.6 ISO100
[PIC2]
17 IMG0088 xx MeV 125 nA 0.5 f/5.6 ISO100
[PIC2]
18 IMG0089 MeV nA 0.25 f/5.6 ISO100
[PIC2]
19 IMG0090 MeV nA 0.1 f/5.6 ISO100
[PIC2]
20 IMG0091 MeV nA 0.05 f/5.6 ISO100
[PIC2]
17 IMG0092 xx MeV 125 nA 0.5 f/5.6 ISO100
[PIC2]
18 IMG0093 MeV nA 0.25 f/5.6 ISO100
[PIC2]
19 IMG0094 MeV nA 0.1 f/5.6 ISO100
[PIC2]
20 IMG0095 MeV nA 0.05 f/5.6 ISO100
[PIC2]
17 IMG0096 xx MeV 125 nA 0.5 f/5.6 ISO100
[PIC2]
18 IMG0097 MeV nA 0.25 f/5.6 ISO100
[PIC2]
19 IMG0074 MeV nA 0.1 f/5.6 ISO100
[PIC2]
20 IMG0075 MeV nA 0.05 f/5.6 ISO100
[PIC2]

Calibration and Bragg Peak Measurements

Run number Detector 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 A Background N/A N/A N/A 350 170 0 room light off N/A N/A
1 A Background N/A N/A N/A 300 170 0 room light off N/A N/A
2 A Background N/A N/A N/A 250 170 0 room light off N/A N/A
3 A Background N/A N/A N/A 200 170 0 room light off N/A N/A
4 A Background N/A N/A N/A 150 170 0 room light off N/A N/A
5 A Background N/A N/A N/A 100 170 0 room light off N/A N/A
6 A Background N/A N/A N/A 50 170 0 room light off N/A N/A
7 A Background N/A N/A N/A 12.5 170 0 room light off (continued) N/A N/A
8 A 240 N/A 10 N/A 350 170 50 LH shoot through; 270° gantry; CMOS sensor saturated N/A N/A
9 A 240 N/A 10 N/A 12.5 170 50 LH shoot through; 270° gantry; CMOS sensor saturated N/A N/A
10 A 240 N/A 10 N/A 12.5 170 50 RH shoot through; 90° gantry; CMOS sensor saturated N/A N/A
11 A 200 N/A 90 N/A 12.5 170 50 RH shoot through; 90° gantry; CMOS sensor saturated; N/A N/A
12 A 200 N/A 20 N/A 12.5 170 50 RH shoot through; 90° gantry; CMOS sensor fine; N/A N/A