Proton Calorimetry/Experimental Runs/2024/UCLHQuADProBe 2024-04

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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

UCL_Setup.png

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 - - - - - - - -