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Stage objectives Testing a lead/scintillator sampling calorimeter using cosmic muons.

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

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Stage objectives Testing a lead/scintillator sampling calorimeter using cosmic muons.

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  1. Testing Calorimeter with cosmic raysBy:Matteo Pallocca (Liceo Scientifico A.Landi, Velletri)Agnese Capobianco (Liceo Scientifico E.Amaldi, Roma)Federica Forcesi (Liceo Scientifico Farnesina, Roma)Tutor: Marco MirazitaTechnician: Walter Pesci

  2. Stage objectives • Testing a lead/scintillator sampling calorimeter using cosmic muons. • Calculation of Voltage Curves and Calibration Line.

  3. Our Detector PAD 1 CALORIMETER PMT PAD 2

  4. Electronic Acquisition System

  5. Power Supply Discriminator Logic AND Delays QDC FAN IN/ FAN OUT

  6. Example of a QDC spectrum Signal Peak, released by a muon Background

  7. Voltage Curves

  8. Signal after the equalization

  9. Calibration line

  10. 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.

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