Author affiliations
1 Dipartimento di Fisica, Università di Milano and INFN Milano, via Celoria 16, I-20133 Milano, Italy
2 Laboratori Nazionali del Gran Sasso, SS 17bis Km 18+910, I-67010 Assergi AQ, Italy
3 Physics Department, Robeson Hall, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061-0435, U.S.A.
4 Department of Physics, Princeton University, Jadwin Hall, Washington Road, Princeton, NJ 08544-0708, U.S.A.
5 Astroparticule et Cosmologie APC, 10 rue Alice Domon et Léonie Duquet, 75205 Paris cedex 13, France
6 Department of Chemical Engineering, Princeton University, Engineering Quadrangle, Princeton, NJ 08544-5263, U.S.A.
7 Dipartimento di Fisica, Università di Genova and INFN Genova, via Dodecaneso 33, I-16146 Genova, Italy
8 Technische Universität München, James Franck Strasse E15, D-85747 Garching, Germany
9 St. Petersburg Nuclear Physics Institute, Gatchina, Russia
10 NRC Kurchatov Institute, Kurchatov Sq. 1, 123182 Moscow, Russia
11 JINR, Joliot Curie str. 6, 141980 Dubna, Russia
12 Max-Planck-Institut für Kernphysik, Postfach 103 980, D-69029 Heidelberg, Germany
13 Institute of Physics, Jagiellonian University, ul. Reymonta 4, PL-30059 Krakow, Poland
14 Dipartimento di Chimica, Università di Perugia and INFN Perugia, via Elce di Sotto 8, I-06123 Perugia, Italy
15 Physics Department, University of Massachusetts, Amherst, MA 01003, U.S.A.
16 Institut für Experimentalphysik, Universität Hamburg, 22761 Hamburg, Germany
17 Institute of Nuclear Physics, Lomonosov Moscow State University, 119899, Moscow, Russia
18 Department of Physics, University of Houston, 4800 Calhoun Rd, Houston, TX 77204, U.S.A.
