Cosmic Stand DAQ Setup

This page is intended to provide a set of instructions to students who are setting up a cosmic stand detector.

The server in the lab should already has the correct software installed for you. This git repository has been cloned into the folder ~/cosmic-daq.

I will assume that, at this point, you have already gotten the modules set up in some sort of stand, and been able to get a trigger setup running. The only other stuff that really needs to be done is to generate an electronics mapping.

The two hexaboards should be plugged in to the top two ports on the readout board. Make sure to note down the relative rotation between the two modules (use the top module as the reference, and record the rotation of the bottom module relative to it). Also record the vertical distance between the two modules in centimeters. A coordinate system I would suggest is having the z-axis pointing downwards, with the top layer at z=0 and the bottom layer at z=?. We will use these values to generate an electronics mapping.

For information on how to generate an electronics mapping, see the README of the HGCAL-TB-emaps repository. I have already created a template for you to use in the files extern/HGCAL-TB-emaps/json_emaps/cosmicstand_2layer.json and extern/HGCAL-TB-emaps/json_emaps/cosmicstand_2layer_layer_distances.txt. Modify the rotation in cosmicstand_2layer.json to match the rotation you measured, and modify the layer positions in cosmicstand_2layer_layer_distances.txt with your measured positions.