Author affiliations
1 University of Bergen, Department for Physics and Technology, Allegaten 55, NO - 5007 Bergen, Norway
2 Lawrence Berkeley National Laboratory and University of California, Physics Division, MS50B-6227, 1 Cyclotron Road, Berkeley, CA 94720, United States of America
3 Physikalisches Institut der Universitaet Bonn, Nussallee 12, D - 53115 Bonn, Germany
4 Brookhaven National Laboratory, Physics Department, Bldg. 510A, Upton, NY 11973, United States of America
5 Cavendish Laboratory, University of Cambridge, J J Thomson Avenue, Cambridge CB3 0HE, United Kingdom
6 CERN, CH - 1211 Geneva 23, Switzerland
7 Niels Bohr Institute, University of Copenhagen, Blegdamsvej 17, DK - 2100 Kobenhavn 0, Denmark
8 Faculty of Physics and Applied Computer Science of the AGH-University of Science and Technology, (FPACS, AGH-UST), al. Mickiewicza 30, PL-30059 Cracow, Poland
9 Universitaet Dortmund, Experimentelle Physik IV, DE - 44221 Dortmund, Germany
10 Universite de Geneve, Section de Physique, 24 rue Ernest Ansermet, CH - 1211 Geneve 4, Switzerland
11 INFN Genova and Università di Genova, Dipartimento di Fisica, via Dodecaneso 33, IT - 16146 Genova, Italy
12 University of Glasgow, Department of Physics and Astronomy, UK - Glasgow G12 8QQ, United Kingdom
13 Hampton University, Department of Physics, Hampton, VA 23668, United States of America
14 Institut fuer Astro- und Teilchenphysik, Technikerstrasse 25, A - 6020 Innsbruck, Austria
15 Joint Institute for Nuclear Research, JINR Dubna, RU - 141 980 Moscow Region, Russia
16 University College London, Department of Physics and Astronomy, Gower Street, London WC1E 6BT, United Kingdom
17 School of Physics and Astronomy, University of Manchester, UK - Manchester M13 9PL, United Kingdom
18 Universitaet Mannheim, Lehrstuhl fuer Informatik V, B6, 23-29, DE - 68131 Mannheim, Germany
19 CPPM, Aix-Marseille Universit, CNRS/IN2P3, Marseille, France
20 School of Physics, University of Melbourne, AU - Parkvill, Victoria 3010, Australia
21 INFN Milano and Università di Milano, Dipartimento di Fisica, via Celoria 16, IT - 20133 Milano, Italy
22 P.N. Lebedev Institute of Physics, Academy of Sciences, Leninsky pr. 53, RU - 117 924 Moscow, Russia
23 Moscow Engineering & Physics Institute (MEPhI), Kashirskoe Shosse 31, RU - 115409 Moscow, Russia
24 Max-Planck-Institut für Physik, (Werner-Heisenberg-Institut), Föhringer Ring 6, 80805 München, Germany
25 Radboud University Nijmegen/NIKHEF, Dept. of Exp. High Energy Physics, Toernooiveld 1, NL - 6525 ED Nijmegen, Netherlands
26 Nikhef National Institute for Subatomic Physics, Kruislaan 409, P.O. Box 41882, NL - 1009 DB Amsterdam, Netherlands
27 Ohio State University, 191 West Woodruff Ave, Columbus, OH 43210-1117, United States of America
28 Department of Physics, Oxford University, Denys Wilkinson Building, Keble Road, Oxford OX1 3RH, United Kingdom
29 Laboratorio de Instrumentacao e Fisica Experimental de Particulas - LIP, and SIM/Univ. de Lisboa, Avenida Elias Garcia 14-1, PT - 1000-149, Lisboa, Portugal
30 Charles University in Prague, Faculty of Mathematics and Physics, Institute of Particle and Nuclear Physics, V Holesovickach 2, CZ - 18000 Praha 8, Czech Republic
31 Rutherford Appleton Laboratory, Science and Technology Facilities Council, Harwell Science and Innovation Campus, Didcot OX11 0QX, United Kingdom
32 CEA, DSM/DAPNIA, Centre d'Etudes de Saclay, FR - 91191 Gif-sur-Yvette, France
33 University of California Santa Cruz, Santa Cruz Institute for Particle Physics (SCIPP), Santa Cruz, CA 95064, United States of America
34 University of Sheffield, Department of Physics & Astronomy, Hounsfield Road, UK - Sheffield S3 7RH, United Kingdom
35 Insitute of Physics, Academia Sinica, TW - Taipei 11529, Taiwan
36 University of Tsukuba, Institute of Pure and Applied Sciences, 1-1-1 Tennoudai, Tsukuba-shi, JP - Ibaraki 305-8571, Japan
37 INFN Gruppo Collegato di Udine and Università di Udine, Dipartimento di Fisica, via delle Scienze 208, IT - 33100 Udine; INFN Gruppo Collegato di Udine and ICTP, Strada Costiera 11, IT - 34014 Trieste, Italy
38 Instituto de Física Corpuscular (IFIC), Centro Mixto UVEG-CSIC, Apdo. 22085, ES-46071 Valencia; Dept. Física At., Mol. y Nuclear, Univ. of Valencia and Instituto de Microelectrónica de Barcelona (IMB-CNM-CSIC), 08193 Bellaterra, Barcelona, Spain
39 Bergische Universitaet, Fachbereich C, Physik, Postfach 100127, Gauss-Strasse 20, DE-42097 Wuppertal, Germany
40 Iowa State University, Department of Physics and Astronomy, Ames High Energy Physics Group, Ames, IA 50011-3160, United States of America
41 Now at State University of New York at Stony Brook
42 also at H. Niewodniczanski Institute of Nuclear Physics PAN, Cracow, Poland