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Abstract
The amplitude of the signal collected from the PbWO4 crystals of the CMS electromagnetic calorimeter is reconstructed by a digital filtering technique. The amplitude reconstruction has been studied with test beam data recorded from a fully equipped barrel supermodule. Issues specific to data taken in the test beam are investigated, and the implementation of the method for CMS data taking is discussed.
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1 “Vinca” Institute of Nuclear Sciences and Faculty of Physics, University of Belgrade, Belgrade, Serbia and Montenegro
2 Laboratório de Instrumentação e Física Experimental de Partículas, Lisboa, Portugal
3 Laboratório de Instrumentação e Física Experimental de Partículas, Lisboa, Portugal; Instituto de Engenharia de Sistemas e Computadores, Lisboa, Portugal
4 Institute of Nuclear Physics “Demokritos”, Attiki, Greece
5 CEA/Saclay, Gif-sur-Yvette cedex, France
6 PMF, Split University, Split, Croatia
7 European Organization for Nuclear Research, CERN, Geneva 23, Switzerland
8 ENEA–CR Casaccia, Roma, Italy; Dipartimento di Fisica and INFN-Sezione di Roma, Università “La Sapienza”, Roma, Italy
9 Laboratoire Leprince-Ringuet, Ecole Polytechnique, Palaiseau Cedex, France
10 Dipartimento di Fisica and INFN-Sezione di Roma, Università “La Sapienza”, Roma, Italy
11 Imperial College, London, UK
12 Rutherford Appleton Laboratory, CCLRC, Didcot, UK
13 Institute for Particle Physics, ETH Zürich, Zürich, Switzerland
14 Delhi University, Delhi, India
15 Dipartimento di Fisica and INFN-Sezione di Torino, Università di Torino, Torino, Italy
16 Institut de Physique Nucléaire, IN2P3-CNRS and Université C. Bernard Lyon I, Villeurbanne, France
17 National Central University, Chung-Li, Taiwan
18 Charles C. Lauritsen Laboratory, California Institute of Technology, Pasadena, CA, USA
19 Laboratoire Leprince-Ringuet, Ecole Polytechnique, Palaiseau Cedex, France; European Organization for Nuclear Research, CERN, Geneva 23, Switzerland
20 Dipartimento di Fisica and INFN-Sezione di Trieste, Università di Trieste, Trieste, Italy
21 Università degli Studi Milano-Bicocca and INFN-Sezione di Milano, Milano, Italy
22 Paul Scherrer Institut, Villigen, Switzerland
23 Yale University, New Haven, CT, USA
24 University of Ioannina, Ioannina, Greece
25 Università degli Studi Milano-Bicocca and INFN-Sezione di Milano, Milano, Italy; University of Minnesota, Minneapolis, MN, USA
26 Institute for Particle Physics, ETH Zürich, Zürich, Switzerland; European Organization for Nuclear Research, CERN, Geneva 23, Switzerland
27 Institute for Nuclear Research, Russian Academy of Sciences, Moscow, Russia
28 FESB, Technical University of Split, Split, Croatia
29 Joint Institute for Nuclear Research, Dubna, Moscow Region, Russia
30 University of Minnesota, Minneapolis, MN, USA
31 Laboratoire d’Annecy-le-Vieux de Physique des Particules, Annecy-le-Vieux, France
32 Bristol University, Bristol, UK
33 Brunel University, Middlesex, UK
34 National Taiwan University, Taipei, Taiwan
35 Bhabha Atomic Research Centre, Mumbai, India
36 State Research Center, Protvino, Moscow Region, Russia
37 Research Institute for Nuclear Problems, Belorussian State University, Minsk, Belarus
38 Northeastern University, Boston, MA, USA; Research Institute for Nuclear Problems, Belorussian State University, Minsk, Belarus
39 Imperial College, London, UK; European Organization for Nuclear Research, CERN, Geneva 23, Switzerland
40 Dipartimento di Fisica and INFN-Sezione di Torino, Università di Torino, Torino, Italy; University of Minnesota, Minneapolis, MN, USA
41 European Organization for Nuclear Research, CERN, Geneva 23, Switzerland; Institute for Particle Physics, ETH Zürich, Zürich, Switzerland
42 European Organization for Nuclear Research, CERN, Geneva 23, Switzerland; Dipartimento di Fisica and INFN-Sezione di Roma, Università “La Sapienza”, Roma, Italy
43 Cyprus University, Nicosia, Cyprus
44 Northeastern University, Boston, MA, USA
45 Lebedev Physical Institute, Russian Academy of Sciences, Moscow, Russia
46 Paul Scherrer Institut, Villigen, Switzerland; High Energy Physics Institute, Tblisi, Georgia
47 Yerevan Physics Institute, Yerevan 36, Armenia
48 Laboratório de Instrumentação e Física Experimental de Partículas, Lisboa, Portugal; European Organization for Nuclear Research, CERN, Geneva 23, Switzerland
49 State Research Center, Protvino, Moscow Region, Russia; Institute for Particle Physics, ETH Zürich, Zürich, Switzerland





