Proton Calorimetry/Experimental Runs/2025/Trento 2025-03

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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 x2 1 for remote control of FPGA, 1 for notes/web GUI.
Ethernet Cable x 2 To connect DAQ laptop to network in the experimental room, control laptop to network in control room.
Portable Enclosure
Scintillator stacks 4 Modules (to cover the full clinical range, from 60 to 250 MeV)
Scintillating fibers module 1 2D Module
DAQ laptop x1 Control photodiode acquisition.
Nexys Video FPGA development board. For interfacing between DDC232 and PC.

Schematic

UCL_Setup.png

Experiment Plan

  • Set up mains cabling and networking in treatment and control rooms.
    • no beam
  • Install Peli case on treatment couch.
    • no beam
  • Background
    • no beam
  • Calibration shoot-through measurements of 4 stack modules: either rotating case or modules for back shoot-through.
    • 8 beam deliveries (2 beam deliveries (back and forth) per each module):
  • Pristine Bragg peak measurements at clinical current for full clinical range.
  • FLASH measurements at 245 MeV.

Calibration FLASH

DDC232 FSR should be determined at max beam current starting from minimum FSR value that does not give signal saturation. This could require 2 or 3 beam deliveries.

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
n Stack 1 245 MeV max min FSR that does not saturate the signal 170 Shoot through front N/A
n Stack 1 245 MeV max min FSR that does not saturate the signal 170 Shoot through back N/A
n Stack 1 Background - N/A - 170 N/A
n Stack 2 245 MeV max min FSR that does not saturate the signal 170 Shoot through front N/A
n Stack 2 245 MeV max min FSR that does not saturate the signal 170 Shoot through back N/A
n Stack 2 Background - N/A - 170 N/A
n Stack 3 245 MeV max min FSR that does not saturate the signal 170 Shoot through front N/A
n Stack 3 245 MeV max min FSR that does not saturate the signal 170 Shoot through back N/A
n Stack 3 Background - N/A - 170 N/A
n Stack 4 245 MeV max min FSR that does not saturate the signal 170 Shoot through front N/A
n Stack 4 245 MeV max min FSR that does not saturate the signal 170 Shoot through back N/A
n Stack 4 Background - N/A - 170 N/A

DDC232 Calibration and Bragg Peak Measurements 26/10/2022

Run number Detector Beam Energy (MeV) Estimated Range (mm) Current (nominal) (nA) Spot size (mm, FWHM) DDC232 FSR (pC) DDC232 Integration Time (us) Degrader WET (mm) Comments Photodiode QB Fit Replay Fit
0 Full Stack (1-2-3-4) Background - - N/A 350 170 (constant) N/A
1 Full Stack Background - - 300 170 N/A
2 Full Stack Background - - 250 170 N/A
3 Full Stack Background - - 200 170 N/A
4 Full Stack Background - - 150 170 N/A
5 Full Stack Background - - 100 170 N/A
6 Full Stack Background - - 50 170 N/A
7 Full Stack Background - - 12.5 170 N/A
8 Full Stack 245 MeV - 18.8 (18.7) N/A 12.5 170 N/A
9 Full Stack 240 MeV - 30 (31.4) N/A 12.5 170 N/A
10 Full Stack 230 MeV - 57 (57.0) N/A 12.5 170 N/A
11 Full Stack 220 MeV - 75 (76.4) N/A 12.5 170 N/A
12 Full Stack 210 MeV - 97 (100.4) N/A 12.5 170 N/A
13 Full Stack 200 MeV - 124 (127.1) N/A 12.5 170 N/A
14 Full Stack 190 MeV - 149 (152.4) N/A 12.5 170 N/A
15 Full Stack 180 MeV - 176 (179.2) N/A 12.5 170 N/A
16 Full Stack 170 MeV - 222 (243.4) N/A 12.5 170 N/A
17 Full Stack 160 MeV - 300 (323.1) N/A 12.5 170 N/A
18 Full Stack 150 MeV - 386 (416.8) N/A 12.5 170 N/A
19 Full Stack 140 MeV - 491 (515.9) N/A 12.5 170 N/A
20 Full Stack 130 MeV - 655 (683.1) N/A 12.5 170 N/A
21 Full Stack 120 MeV - 777 (800) N/A 12.5 170 FLASH N/A
22 Full Stack 110 MeV - 771 (800) N/A 12.5 170 FLASH N/A
23 Full Stack 100 MeV - 765 (800) N/A 12.5 170 FLASH N/A
24 Full Stack 90 MeV - 880 (800) N/A 12.5 170 FLASH N/A
25 Full Stack 80 MeV - 845 (800) N/A 12.5 170 FLASH N/A
26 Full Stack 70 MeV - 822 (800) N/A 12.5 170 FLASH N/A
27 Full Stack 150 MeV - 807 (800) N/A 50 170 FLASH N/A
28 Full Stack 245 MeV - 810 (800) N/A 350 170 FLASH N/A
29 Full Stack 200 MeV - 785 (800) N/A 100 170 FLASH N/A
30 Full Stack Background - - 12.5 170 N/A
31 Stack 1 245 MeV 810 (800) N/A 350 170 50 Shoot through front FLASH N/A
32 Stack 1 Background - - 12.5 170 N/A
33 Stack 1 245 MeV 18.8 (18.7) N/A 12.5 170 50 Shoot through front N/A
34 Stack 1 245 MeV 18.8 (18.7) N/A 12.5 170 50 Shoot through back N/A
35 Stack 2 245 MeV 18.8 (18.7) N/A 12.5 170 50 Shoot through back N/A
36 Stack 2 245 MeV 18.8 (18.7) N/A 12.5 170 50 Shoot through front N/A
37 Stack 3 245 MeV 18.8 (18.7) N/A 12.5 170 50 Shoot through front N/A
38 Stack 3 245 MeV 18.8 (18.7) N/A 12.5 170 50 Shoot through back N/A
39 Stack 4 245 MeV 18.8 (18.7) N/A 12.5 170 50 Shoot through back N/A
40 Stack 4 245 MeV 18.8 (18.7) N/A 12.5 170 50 Shoot through front N/A
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