[1] Univ Bern, Albert Einstein Ctr Fundamental Phys, LHEP, Bern, Switzerland
[2] Boston Univ, Dept Phys, Boston, MA 02215 USA
[3] Univ British Columbia, Dept Phys & Astron, Vancouver, BC V5Z 1M9, Canada
[4] Univ Calif Davis, Dept Phys, Davis, CA 95616 USA
[5] Univ Calif Irvine, Dept Phys & Astron, Irvine, CA USA
[6] Calif State Univ, Dept Phys, Carson, CA USA
[7] CEA Saclay, IRFU, F-91191 Gif Sur Yvette, France
[8] Chonnam Natl Univ, Dept Phys, Kwangju, South Korea
[9] Dongshin Univ, Dept Phys, Naju, South Korea
[10] Duke Univ, Dept Phys, Durham, NC 27706 USA
[11] Univ Durham, Sci Labs, Durham DH1 3LE, England
[12] Ecole Polytech, CNRS, IN2P3, Lab Leprince Ringuet, F-91128 Palaiseau, France
[13] Univ Edinburgh, Sch Phys & Astron, Edinburgh, Midlothian, Scotland
[14] ETH, Inst Particle Phys, Zurich, Switzerland
[15] Univ Geneva, DPNC, Sect Phys, CH-1211 Geneva, Switzerland
[16] Univ Hawaii, Dept Phys & Astron, Honolulu, HI 96822 USA
[17] Univ London Imperial Coll Sci Technol & Med, Dept Phys, London, England
[18] Ist Nazl Fis Nucl, Sez Bari, I-70126 Bari, Italy
[19] Univ & Politecn Bari, Dipartimento Interuniv Fis, Bari, Italy
[20] Ist Nazl Fis Nucl, Sez Napoli, I-80125 Naples, Italy
[21] Univ Naples Federico II, Dipartimento Fis, Naples, Italy
[22] Ist Nazl Fis Nucl, Sez Padova, Padua, Italy
[23] Univ Padua, Dipartimento Fis, Padua, Italy
[24] Ist Nazl Fis Nucl, Sez Roma, Rome, Italy
[25] Russian Acad Sci, Inst Nucl Res, Moscow 117312, Russia
[26] Iowa State Univ, Dept Phys & Astron, Ames, IA USA
[27] High Energy Accelerator Res Org KEK, Tsukuba, Ibaraki, Japan
[28] Kobe Univ, Dept Phys, Kobe, Hyogo 657, Japan
[29] Kyoto Univ, Dept Phys, Kyoto 606, Japan
[30] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy
[31] Univ Lancaster, Dept Phys, Lancaster, England
[32] Univ Liverpool, Dept Phys, Liverpool L69 3BX, Merseyside, England
[33] Los Alamos Natl Lab, Los Alamos, NM 87545 USA
[34] Louisiana State Univ, Dept Phys & Astron, Baton Rouge, LA 70803 USA
[35] Univ Autonoma Madrid, Dept Theoret Phys, Madrid, Spain
[36] Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA
[37] Miyagi Univ Educ, Dept Phys, Sendai, Miyagi, Japan
[38] Nagoya Univ, Grad Sch Sci, Nagoya, Aichi 4648601, Japan
[39] Nagoya Univ, Kobayashi Maskawa Inst Origin Particles & Univers, Nagoya, Aichi 4648601, Japan
[40] Nagoya Univ, Solar Terr Environm Lab, Nagoya, Aichi 4648601, Japan
[41] Natl Ctr Nucl Res, Warsaw, Poland
[42] Okayama Univ, Dept Phys, Okayama 700, Japan
[43] Osaka City Univ, Dept Phys, Osaka 558, Japan
[44] Univ Oxford, Dept Phys, Oxford, England
[45] Univ Pittsburgh, Dept Phys & Astron, Pittsburgh, PA 15260 USA
[46] Univ Regina, Dept Phys, Regina, SK S4S 0A2, Canada
[47] Pontificia Univ Catolica Rio de Janeiro, Dept Fis, Rio De Janeiro, Brazil
[48] Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USA
[49] Queen Mary Univ London, Sch Phys & Astron, London, England
[50] Royal Holloway Univ London, Dept Phys, Egham, Surrey, England