Testing Calorimeter with cosmic rays
By:Matteo Pallocca (Liceo Scientifico A.Landi, Velletri)
Agnese Capobianco (Liceo Scientifico E.Amaldi, Roma)Federica Forcesi (Liceo Scientifico Farnesina, Roma)
Tutor: Marco Mirazita
Technician: Walter Pesci
Stage objectives
Testing a lead/scintillator sampling calorimeter using cosmic muons.
Calculation of Voltage Curves and Calibration Line.
Our DetectorPAD 1
PMTCALORIMETER
PAD 2
Electronic Acquisition System
Power Supply
Discriminator
Logic AND
Delays
QDC
FAN IN/ FAN OUT
Example of a QDC spectrum
Background
Signal Peak, released by a muon
Voltage Curves
Signal after the equalization
Calibration line
Conclusions
We set up an acquisition system to test a calorimeter using cosmic muons.
We calculated voltage curves for four different voltages.
We equalized the 4 central PMTs. We calculated the calibration line of our
calorimeter and verified its linear behavior.
