Test of a low noise/ low power preamplifer for the PANDA Electromagnetic Calorimeter

University essay from Lunds universitet/Fysiska institutionen; Lunds universitet/Partikelfysik

Author: Faisal Zeeshan; [2013]

Keywords: Physics and Astronomy;

Abstract: This thesis project was carried out in department of physics (Division of exper- imental nuclear and particle physics), University of Basel, Switzerland. The PANDA (Anti-proton Annihilations at Darmstadt) experiment is one of the biggest projects at the new FAIR (Facility for Anti-proton and Ion Research) facility in Darmstadt. The main purpose of the PANDA experiment is to study Hadron spectroscopy, Nucleon structure and Hyper-nuclei using the interaction between antiprotons and protons (as fixed target). Scientists were working successfully on the idea of antiproton projects at LEAR/CERN and the Fermi- lab antiproton accumulator, which lead to initiate the PANDA project. The University of Basel (Physics department) is collaborating in the PANDA project in particular on the design and test of special preamplifier circuits for the readout of the electromagnetic calorimeter (EMC) which is a major sub- unit of the detector. The Forward part of the EMC consists of 3856 PWO II crystals and each crystal will be equipped either with one Vacuum-Photo- Tetrode (VPTT) or with two Large Area Avalanche Photo-diodes (LAAPDs). For the readout of the PANDA EMC, special types of pre-amplifiers (LNP) are needed to be developed. Some of the development for low noise/ low power (LNP) preamplifier has already been done at Basel University (Physics department). The expected timeline for the further development, production, testing and sorting of LNP would end in 2015.

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