Proton Calorimetry/Experimental Runs/2020/Nov27

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27 Nov 2020


Dark noise measurements in different rooms at UCL and with different conditions

Setup: - PD array exposed to dark - some runs have noise level recorded with PD unplugged

Aim: Measure the dark noise with different conditions. The spikes visible for all runs recorded inside D27 might come from noise

list of runs in this file unix/pbt/data/ucl/20201127/20201127_LEDandADCBoard.xlsx data saved in unix/pbt/data/ucl/20201027/

Run DDC int time DDC Full scale Photodiodes Notes
1 170us 350pC FSR PDs: S1337-16BR Lab D27: dark room. DDC232 board with PD placed INSIDE the box, close to the patch panel holes (probably getting some light).
2 170us 350pC FSR PDs: S12915-16R Lab D27: dark room. DDC232 board with PD placed face down INSIDE the box.
3 170us 350pC FSR PDs: S12915-16R Saad's office D109: dark room. DDC232 board with PD placed face down INSIDE the box.
4 170us 350pC FSR PDs: S12915-16R Saad's office D109: dark room. DDC232 board with PD placed and covered OUTSIDE the box.
5 170us 350pC FSR PDs: S12915-16R Saad's office D109: dark room. DDC232 board with PD UNPLUGGED placed OUTSIDE the box.
6 170us 350pC FSR PDs: S12915-16R Raffy's office D106: dark room (light off, but blinds open). DDC232 board with PD UNPLUGGED placed OUTSIDE the box.
7 170us 350pC FSR PDs: S12915-16R Raffy's office D106: dark room (blinds closed). DDC232 board with PD UNPLUGGED placed OUTSIDE the box.
8 170us 350pC FSR PDs: S12915-16R Raffy's office D106: dark room (blinds closed). DDC232 board with PD placed and covered OUTSIDE the box.
9 170us 350pC FSR PDs: S12915-16R Raffy's office D106: DDC232 board with PD placed OUTSIDE the box. UV torch.