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|Title:||Test and characterization of a prototype silicon-tungsten electromagnetic calorimeter|
Silicon Pad Detectors
|Publisher:||ELSEVIER SCIENCE BV|
|Citation:||NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 76424-29|
|Abstract:||New generation high-energy physics experiments demand high precision tracking and accurate measurements of a large number of particles produced in the collisions of elementary particles and heavy-ions. Silicon-tungsten (Si-W) calorimeters provide the most viable technological option to meet the requirements of particle detection in high multiplicity environments. We report a novel Si-W calorimeter design, which is optimized for gamma/pi(0) discrimination up to high momenta. In order to test the Feasibility of the calorimeter, a prototype mini-tower was constructed using silicon pad detector arrays and tungsten layers. The performance of the mini-tower was tested using pion and electron beams at the CERN Proton Synchrotron (PS). The experimental results are compared with the results from a detailed GEANT-4 simulation. A linear relationship between the observed energy deposition and simulated response of the mini-Lower has been obtained, in line with our expectations. (C) 2014 Elsevier B.V. All rights reserved.|
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