[1] Univ Helsinki, Dept Phys, Div High Energy Phys, FIN-00014 Helsinki, Finland
[2] Helsinki Inst Phys, FIN-00014 Helsinki, Finland
[3] Univ Buenos Aires, Buenos Aires, DF, Argentina
[4] Ctr Brasileiro Pesquisas Fis, LAFEX, Rio De Janeiro, Brazil
[5] Univ Estado Rio de Janeiro, BR-20550011 Rio De Janeiro, Brazil
[6] Univ Fed ABC, Santo Andre, Brazil
[7] Univ Estadual Paulista, Inst Fis Teor, BR-01405 Sao Paulo, Brazil
[8] McGill Univ, Inst Particle Phys, Montreal, PQ, Canada
[9] Simon Fraser Univ, Burnaby, BC V5A 1S6, Canada
[10] Univ Toronto, Toronto, ON, Canada
[11] TRIUMF, Vancouver, BC V6T 2A3, Canada
[12] York Univ, Toronto, ON M3J 2R7, Canada
[13] Univ Sci & Technol China, Hefei 230026, Peoples R China
[14] Acad Sinica, Inst Phys, Taipei, Taiwan
[15] Univ Los Andes, Bogota, Colombia
[16] Charles Univ Prague, Fac Math & Phys, Ctr Particle Phys, Prague, Czech Republic
[17] Czech Tech Univ, CR-16635 Prague, Czech Republic
[18] Acad Sci Czech Republ, Inst Phys, Ctr Particle Phys, Prague, Czech Republic
[19] Univ San Francisco Quito, Quito, Ecuador
[20] Univ Blaise Pascal, CNRS, IN2P3, LPC, Clermont, France
[21] Univ Grenoble 1, CNRS, Inst Natl Polytech Grenoble, LPSC,IN2P3, Grenoble, France
[22] Aix Marseille Univ, CNRS, IN2P3, CPPM, Marseille, France
[23] Univ Paris 11, CNRS, IN2P3, LAL, F-91405 Orsay, France
[24] Univ Paris 06, CNRS, IN2P3, LPNHE, Paris, France
[25] CEA Saclay, Irfu, SPP, Saclay, France
[26] Univ Strasbourg, CNRS, IN2P3, IPHC, Strasbourg, France
[27] Univ Lyon 1, CNRS, IN2P3, IPNL, F-69622 Villeurbanne, France
[28] Univ Lyon, Lyon, France
[29] Univ Aachen, Rhein Westfal TH Aachen, Phys Inst A 3, D-5100 Aachen, Germany
[30] Univ Bonn, Inst Phys, D-5300 Bonn, Germany
[31] Univ Freiburg, Inst Phys, Freiburg, Germany
[32] Univ Gottingen, Inst Phys 2, Gottingen, Germany
[33] Karlsruhe Inst Technol, Inst Expt Kernphys, Karlsruhe, Germany
[34] Johannes Gutenberg Univ Mainz, Inst Phys, D-6500 Mainz, Germany
[35] Univ Munich, Munich, Germany
[36] Univ Wuppertal, Fachbereich Phys, Wuppertal, Germany
[37] Univ Athens, GR-15771 Athens, Greece
[38] Panjab Univ, Chandigarh 160014, India
[39] Univ Delhi, Delhi 110007, India
[40] Tata Inst Fundamental Res, Mumbai 400005, Maharashtra, India
[41] Univ Coll Dublin, Dublin 2, Ireland
[42] Ist Nazl Fis Nucl, I-40127 Bologna, Italy
[43] Univ Bologna, I-40127 Bologna, Italy
[44] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy
[45] Ist Nazl Fis Nucl, Sez Padova Trento, I-35131 Padua, Italy
[46] Univ Padua, I-35131 Padua, Italy
[47] Ist Nazl Fis Nucl, I-56127 Pisa, Italy
[48] Univ Pisa, I-56127 Pisa, Italy
[49] Univ Siena, I-56127 Pisa, Italy
[50] Scuola Normale Super Pisa, I-56127 Pisa, Italy