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
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):
| Run number
|
Detector config
|
Beam Energy (MeV)
|
Beam Current (nA)
|
Physical thickness (mm)
|
D80 measured (mm)
|
WET (mm)
|
RSP
|
Comments
|
| 33 |
Stack 1 front |
245 |
18.8 (18.7) |
95.95 |
198.69 |
98.24 |
1.024 |
|
| 34 |
Stack 1 back |
245 |
18.8 (18.7) |
95.95 |
198.74 |
98.19 |
1.023 |
|
| 36 |
Stack 2 front |
245 |
18.8 (18.7) |
96.81 |
198.51 |
98.42 |
1.016 |
|
| 37 |
Stack 3 front |
245 |
18.8 (18.7) |
95.48 |
199.78 |
97.15 |
1.017 |
|
| 40 |
Stack 4 front |
245 |
18.8 (18.7) |
94.07 |
202.26 |
94.67 |
1.006 |
|
| 41 |
Empty Box |
245 |
18.8 (18.7) |
0.012 |
296.93 |
0 |
0 |
|
| 42 |
No Box |
245 |
18.8 (18.7) |
0 |
296.90 |
0 |
0 |
|
- 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 |
|
