[1]Inst High Energy Phys, Beijing 100049, Peoples R China.
[2]Beihang Univ, Beijing 100191, Peoples R China.
[3]Beijing Inst Petrochem Technol, Beijing 102617, Peoples R China.
[4]Bochum Ruhr Univ, D-44780 Bochum, Germany.
[5]Carnegie Mellon Univ, Pittsburgh, PA 15213 USA.
[6]Cent China Normal Univ, Wuhan 430079, Peoples R China.
[7]China Ctr Adv Sci & Technol, Beijing 100190, Peoples R China.
[8]COMSATS Inst Informat Technol, Def Rd,Raiwind Rd, Lahore 54000, Pakistan.
[9]GI Budker Inst Nucl Phys SB RAS BINP, Novosibirsk 630090, Russia.
[10]GSI Helmholtzctr Heavy Ion Res GmbH, D-64291 Darmstadt, Germany.
[11]Guangxi Normal Univ, Guilin 541004, Peoples R China.
[12]Guangxi Univ, Nanning 530004, Peoples R China.
[13]Hangzhou Normal Univ, Hangzhou 310036, Peoples R China.
[14]Helmholtz Inst Mainz, Johann Joachim Becher Weg 45, D-55099 Mainz, Germany.
[15]Henan Normal Univ, Xinxiang 453007, Peoples R China.
[16]Huangshan Coll, Huangshan 245000, Peoples R China.
[17]Hunan Univ, Changsha 410082, Hunan, Peoples R China.
[18]Indiana Univ, Bloomington, IN 47405 USA.
[19]Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy.
[20]Ist Nazl Fis Nucl, I-06100 Perugia, Italy.
[21]Univ Perugia, I-06100 Perugia, Italy.
[22]Ist Nazl Fis Nucl, Sez Ferrara, I-44122 Ferrara, Italy.
[23]Univ Ferrara, I-44122 Ferrara, Italy.
[24]Johannes Gutenberg Univ Mainz, Johann Joachim Becher Weg 45, D-55099 Mainz, Germany.
[25]Joint Inst Nucl Res, Dubna 141980, Moscow Region, Russia.
[26]Justus Liebig Univ Giessen, Phys Inst 2, Heinrich Buff Ring 16, D-35392 Giessen, Germany.
[27]Univ Groningen, KVI CART, NL-9747 AA Groningen, Netherlands.
[28]Lanzhou Univ, Lanzhou 730000, Peoples R China.
[29]Liaoning Univ, Shenyang 110036, Peoples R China.
[30]Nanjing Normal Univ, Nanjing 210023, Peoples R China.
[31]Nanjing Univ, Nanjing 210093, Peoples R China.
[32]Nankai Univ, Tianjin 300071, Peoples R China.
[33]Peking Univ, Beijing 100871, Peoples R China.
[34]Seoul Natl Univ, Seoul 151747, South Korea.
[35]Shandong Univ, Jinan 250100, Peoples R China.
[36]Shanghai Jiao Tong Univ, Shanghai 200240, Peoples R China.
[37]Shanxi Univ, Taiyuan 030006, Peoples R China.
[38]Sichuan Univ, Chengdu 610064, Peoples R China.
[39]Soochow Univ, Suzhou 215006, Peoples R China.
[40]State Key Lab Particle Detect & Elect, Hefei 230026, Peoples R China.
[41]Sun Yat Sen Univ, Guangzhou 510275, Guangdong, Peoples R China.
[42]Tsinghua Univ, Beijing 100084, Peoples R China.
[43]Ankara Univ, TR-06100 Ankara, Turkey.
[44]Istanbul Bilgi Univ, TR-34060 Istanbul, Turkey.
[45]Uludag Univ, TR-16059 Bursa, Turkey.
[46]Near East Univ, Mersin 10, Nicosia, North Cyprus, Turkey.
[47]Univ Chinese Acad Sci, Beijing 100049, Peoples R China.
[48]Univ Hawaii, Honolulu, HI 96822 USA.
[49]Univ Minnesota, Minneapolis, MN 55455 USA.
[50]Univ Rochester, Rochester, NY 14627 USA.
[51]Univ Sci & Technol Liaoning, Anshan 114051, Peoples R China.
[52]Univ Sci & Technol China, Hefei 421001, Peoples R China.
[53]Univ South China, Hengyang 421001, Peoples R China.
[54]Univ Punjab, Lahore 54590, Pakistan.
[55]Univ Turin, I-10125 Turin, Italy.
[56]Univ Piemonte Orientale, I-15121 Alessandria, Italy.
[57]Ist Nazl Fis Nucl, I-10125 Turin, Italy.
[58]Uppsala Univ, Box 516, SE-75120 Uppsala, Sweden.
[59]Wuhan Univ, Wuhan 430072, Peoples R China.
[60]Zhejiang Univ, Hangzhou 310027, Zhejiang, Peoples R China.
[61]Zhengzhou Univ, Zhengzhou 450001, Peoples R China.
[62]Bogazici Univ, TR-E_E BASE Istanbul, Turkey.
[63]Moscow Inst Phys & Technol, Moscow 141700, Russia.
[64]Tomsk State Univ, Funct Elect Lab, Tomsk 634050, Russia.
[65]Novosibirsk State Univ, Novosibirsk 630090, Russia.
[66]NRC Kurchatov Inst, PNPI, Gatchina 188300, Russia.
[67]Istanbul Arel Univ, TR-34295 Istanbul, Turkey.
[68]Goethe Univ Frankfurt, D-60323 Frankfurt, Germany.
[69]Minist Educ, Shanghai Key Lab Particle Phys & Cosmol, Inst Nucl & Particle Phys, Key Lab Particle Phys Astrophys & Cosmol, Shanghai 200240, Peoples R China.
[70]Govt Coll Women Univ, Sialkot 51310, Punjab, Pakistan.