[1] St Petersburg State Polytech Univ, St Petersburg, Russia
[2] Aligarh Muslim Univ, Dept Appl Phys, Aligarh, Uttar Pradesh, India
[3] Moscow MV Lomonosov State Univ, DV Skobeltsyn Inst Nucl Phys, Moscow, Russia
[4] Univ Belgrade, Fac Phys, Belgrade 11001, Serbia
[5] Vinca Inst Nucl Sci, Belgrade, Serbia
[6] Konkuk Univ, Seoul, South Korea
[7] Univ Wroclaw, Inst Theoret Phys, PL-50138 Wroclaw, Poland
[8] Univ Kansas, Lawrence, KS 66045 USA
[9] AI Alikhanyan Natl Sci Lab Yerevan Phys Inst Fdn, Yerevan, Armenia
[10] Benemerita Univ Autonoma Puebla, Puebla, Mexico
[11] Bogolyubov Inst Theoret Phys, Kiev, Ukraine
[12] Bose Inst, Dept Phys, Kolkata, India
[13] Ctr Astroparticle Phys & Space Sci, Kolkata, India
[14] Budker Inst Nucl Phys, Novosibirsk 630090, Russia
[15] Calif Polytech State Univ San Luis Obispo, San Luis Obispo, CA 93407 USA
[16] Cent China Normal Univ, Wuhan, Peoples R China
[17] IN2P3, Ctr Calcul, Villeurbanne, France
[18] Ctr Aplicac Tecnol & Desarrollo Nucl CEADEN, Havana, Cuba
[19] CIEMAT, Madrid, Spain
[20] Ctr Invest & Estudios Avanzados CINVESTAV, Mexico City, DF, Mexico
[21] Ctr Invest & Estudios Avanzados CINVESTAV, Merida, Mexico
[22] Museo Stor Fis, Ctr Fermi, Rome, Italy
[23] Ctr Studi & Ric Enrico Fermi, Rome, Italy
[24] Chicago State Univ, Chicago, IL USA
[25] IRFU, Commissariat Energie Atom, Saclay, France
[26] COMSATS Inst Informat Technol, Islamabad, Pakistan
[27] Univ Santiago de Compostela, Dept Fis Particulas, Santiago De Compostela, Spain
[28] Univ Santiago de Compostela, IGFAE, Santiago De Compostela, Spain
[29] Univ Bergen, Dept Phys & Technol, Bergen, Norway
[30] Aligarh Muslim Univ, Dept Phys, Aligarh 202002, Uttar Pradesh, India
[31] Ohio State Univ, Dept Phys, Columbus, OH 43210 USA
[32] Sejong Univ, Dept Phys, Seoul, South Korea
[33] Univ Oslo, Dept Phys, Oslo, Norway
[34] Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy
[35] Sez INFN Rome, Rome, Italy
[36] Univ Cagliari, Dipartimento Fis, Cagliari, Italy
[37] Sezione Ist Nazl Fis Nucl, Cagliari, Italy
[38] Univ Trieste, Dipartmento Fis, I-34127 Trieste, Italy
[39] Sezione Ist Nazl Fis Nucl, Trieste, Italy
[40] Univ Turin, Dipartimento Fis, Turin, Italy
[41] Sezione Ist Nazl Fis Nucl, Trieste, Italy
[42] Univ Bologna, Dipartimento Fis & Astron, Bologna, Italy
[43] Sezione Ist Nazl Fis Nucl, Bologna, Italy
[44] Univ Catania, Dipartimento Fis & Astron, Catania, Italy
[45] Sezione Ist Nazl Fis Nucl, Catania, Italy
[46] Univ Padua, Dipartimento Fis & Astron, Padua, Italy
[47] Sezione Ist Nazl Fis Nucl, Padua, Italy
[48] Univ Salerno, Dipartimento Fis ER Caianiello, I-84100 Salerno, Italy
[49] Grp Collegato INFN, Salerno, Italy
[50] Univ Piemonte Orientale, Dipartimento Sci & Innovaz Tecnol, Alessandria, Italy