[1] Univ Milano Bicocca, Milan, Italy
[2] Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil
[3] Univ Fed Rio de Janeiro, Inst Fis, Rio De Janeiro, Brazil
[4] Univ Savoie, CNRS, IN2P3, Lab Annecy Le Vieux Phys Particules, Annecy Le Vieux, France
[5] Univ Blaise Pascal, Phys Corpusculaire Lab, CNRS, IN2P3, Aubiere, France
[6] Aix Marseille Univ, CPPM, CNRS, IN2P3, Marseille, France
[7] Univ Paris 11, CNRS, IN2P3, Lab Accelerateur Lineaire, F-91405 Orsay, France
[8] Univ Paris 06, CNRS, IN2P3, LPNHE, Paris, France
[9] Univ Paris 07, CNRS, IN2P3, LPNHE, Paris, France
[10] Tech Univ Dortmund, Fak Phys, Dortmund, Germany
[11] Max Planck Inst Nucl Phys, D-69117 Heidelberg, Germany
[12] Heidelberg Univ, Inst Phys, D-69117 Heidelberg, Germany
[13] Univ Bologna, Bologna, Italy
[14] Sezione Ist Nazl Fis Nucl, Bologna, Italy
[15] Univ Cagliari, Cagliari, Italy
[16] Sezione Ist Nazl Fis Nucl, Cagliari, Italy
[17] Univ Ferrara, I-44100 Ferrara, Italy
[18] Sezione Ist Nazl Fis Nucl, Ferrara, Italy
[19] Univ Florence, Florence, Italy
[20] Sezione Ist Nazl Fis Nucl, Florence, Italy
[21] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy
[22] Univ Genoa, Genoa, Italy
[23] Sezione Ist Nazl Fis Nucl, Genoa, Italy
[24] Sezione Ist Nazl Fis Nucl, Milan, Italy
[25] Univ Roma La Sapienza, Dipartimento Energet, Rome, Italy
[26] Sezione Ist Nazl Fis Nucl, Rome, Italy
[27] Univ Roma Tor Vergata, Rome, Italy
[28] Natl Inst Subat Phys, Amsterdam, Netherlands
[29] Vrije Univ Amsterdam, Amsterdam, Netherlands
[30] Tsinghua Univ, TUHEP, Ctr High Energy Phys, Beijing 100084, Peoples R China
[31] AGH Univ Sci & Technol, Krakow, Poland
[32] Polish Acad Sci, Henryk Niewodniczanski Inst Nucl Phys, Krakow, Poland
[33] Soltan Inst Nucl Studies, PL-00681 Warsaw, Poland
[34] IFIN HH, Horia Hulubei Natl Inst Phys & Nucl Engn, Magurele, Romania
[35] Russian Acad Sci, Inst Nucl Res, Moscow, Russia
[36] Inst Theoret & Expt Phys, Moscow 117259, Russia
[37] Budker Inst Nucl Phys, INP, Novosibirsk 630090, Russia
[38] Inst High Energy Phys, Protvino, Russia
[39] Petersburg Nucl Phys Inst, St Petersburg, Russia
[40] Univ Barcelona, Barcelona, Spain
[41] Univ Santiago de Compostela USC, Santiago De Compostela, Spain
[42] Ecole Polytech Fed Lausanne, Lausanne, Switzerland
[43] Univ Zurich, Zurich, Switzerland
[44] Inst Phys & Technol, Kharkov, Ukraine
[45] Natl Acad Sci Ukraine, KINR, Inst Nucl Res, Kiev, Ukraine
[46] Univ Bristol, HH Wills Phys Lab, Bristol BS8 1TL, Avon, England
[47] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England
[48] Rutherford Appleton Lab, Sci & Technol Facil Council, Didcot OX11 0QX, Oxon, England
[49] Univ Edinburgh, Edinburgh, Midlothian, Scotland
[50] Univ Glasgow, Glasgow, Lanark, Scotland