Proton Calorimetry/Experimental Runs/2024/UCLHQuADProBe 2024-04
Experiment Equipment
| Item | Notes |
|---|---|
| Portable Enclosure | Modified Small Peli Case Wheeled. Features mount for scintillator stacks, front and back openings for beam, patch panel with ports. Mylar windows with 3D printed alignment plates: approximately light-tight. |
| Rev. D Scintillator stack 1 | 32 X x 105 mm, Y x 105 mm and Z x (approx) 3 mm sheets. Original injection moulded batch with polished edges and sanded faces. Containing sheets (ascending photodiode order, board upside down): 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168. Full stack thickness measurements (in mm): 95.75, 96.02, 96.09 = 95.95 |
| Rev. D Scintillator stack 2 | 32 X x 105 mm, Y x 105 mm and Z x (approx) 3 mm sheets. Machined block with polished edges and sanded faces. Containing sheets (ascending photodiode order, board upside down): 289, 268, 291, 277, 300, 264, 282, 276, 271, 285, 262, 280, 295, 281, 297, 290, 270, 284, 294, 299, 269, 302, 301, 296, 287, 263, 288, 293, 285, 265, 275, 292. Full stack thickness measurements (in mm): 96.89, 96.85, 96.70 = 96.81 |
| Rev. D Texas Instruments DDC232 custom circuit board (x2) | Housing 32x Hamamatsu S12915-16R photodiodes, coupled directly to scintillator sheets. Aligned by eye to scintillator sheets. |
| Nexys Video FPGA development board. | For interfacing between DDC232 and pi. |
| Raspberry pi5 | Control data acquisition + visualise GUI. |
| Power Strip: | To connect FPGA and daughter board. |
| DAQ laptop x1 | Back up option for data acquisition. |
| Control Laptop x2 | 1 for remote control, 1 for notes/web GUI. |
| D-LINK Network Hub | Set in experimental room to connect pi5, DAQ laptop + NPL devices |
| GL-Inet Router | Set in control room to take output from experimental room ethernet connection. Control laptops connected via ethernet or 5GHz WiFi. |
| Ethernet Cable x 4 | To connect pi5 and DAQ laptop to network in the experimental room, hub to wall and in control room router to wall, and router to laptop. |
| Spare Cables: | Usb-C |
| Gloves | For handling scintillator |
Schematic
Experiment Plan
...
Experiment Notes
Stack A + NUC PC.
Beam current **
| Run number | Beam Energy (MeV) | Dose Rate (MU/min) | Estimated Range in Eye (mm) | Spot size (mm, FWHM) | DDC232 FSR (pC) | DDC232 Integration Time (us) | Measurements | Comments | Photodiode QB Fit | Replay Fit |
|---|---|---|---|---|---|---|---|---|---|---|
| 0 | Background | - | - | - | - | - | 170 (constant) | - | ||
| 1 | - | - | - | - | - | - | - | - |