[1] Argonne Natl Lab, Argonne, IL 60439 USA
[2] Andrews Univ, Berrien Springs, MI 49104 USA
[3] INFN Bologna, Bologna, Italy
[4] Univ Bologna, Bologna, Italy
[5] INFN Bologna, Bologna, Italy
[6] Univ Bonn, Inst Phys, Bonn, Germany
[7] Univ Bristol, HH Wills Phys Lab, Bristol, Avon, England
[8] Panjab Univ, Dept Phys, Chandigarh 160014, India
[9] Univ Calabria, Dept Phys, I-87036 Cosenza, Italy
[10] Ist Nazl Fis Nucl, Cosenza, Italy
[11] Chonnam Natl Univ, Inst Univ & Elementary Particles, Kwangju, South Korea
[12] Univ Malaya, Jabatan Fizik, Kuala Lumpur 50603, Malaysia
[13] Columbia Univ, Nevis Labs, New York, NY 10027 USA
[14] Polish Acad Sci, Henryk Niewodniczanski Inst Nucl Phys, Krakow, Poland
[15] AGH Univ Sci & Technol, Fac Phys & Appl Comp Sci, Krakow, Poland
[16] Jagellonian Univ, Dept Phys, Krakow, Poland
[17] DESY, Deutsch Elekt Synchrotron, Hamburg, Germany
[18] DESY, Deutsch Elekt Synchrotron, Zeuthen, Germany
[19] INFN Florence, Florence, Italy
[20] Univ Florence, Florence, Italy
[21] INFN Florence, Florence, Italy
[22] Univ Freiburg I Br, Fak Phys, Freiburg I Br, Germany
[23] Univ Glasgow, Sch Phys & Astron, Glasgow, Lanark, Scotland
[24] Univ Aegean, Dept Engn Management & Finance, Chios, Greece
[25] Univ Hamburg, Inst Expt Phys, Hamburg, Germany
[26] Univ London Imperial Coll Sci Technol & Med, High Energy Nucl Phys Grp, London, England
[27] High Energy Accelerator Org, Inst Particle & Nucl Studies, KEK, Tsukuba, Ibaraki 3050801, Japan
[28] Minist Educ & Sci Kazakhstan, Inst Phys & Technol, Alma Ata, Kazakhstan
[29] Natl Acad Sci, Inst Nucl Res, Kiev, Ukraine
[30] Natl Taras Shevchenko Univ Kyiv, Dept Nucl Phys, Kiev, Ukraine
[31] Kyungpook Natl Univ, Ctr High Energy Phys, Taegu, South Korea
[32] Catholic Univ Louvain, Inst Phys Nucl, Louvain La Neuve, Belgium
[33] Univ Autonoma Madrid, Dept Fis Teor, Madrid, Spain
[34] McGill Univ, Dept Phys, Montreal, PQ H3A 2T8, Canada
[35] Meiji Gakuin Univ, Fac Gen Educ, Yokohama, Kanagawa, Japan
[36] Moscow Engn Phys Inst, Moscow 115409, Russia
[37] Moscow MV Lomonosov State Univ, Skobeltsyn Inst Nucl Phys, Moscow, Russia
[38] Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany
[39] NIKHEF, Amsterdam, Netherlands
[40] Univ Amsterdam, Amsterdam, Netherlands
[41] Ohio State Univ, Dept Phys, Columbus, OH 43210 USA
[42] Univ Oxford, Dept Phys, Oxford, England
[43] INFN Padova, Padua, Italy
[44] Univ Padua, Dipartimento Fis, Padua, Italy
[45] Ist Nazl Fis Nucl, Padua, Italy
[46] Penn State Univ, Dept Phys, University Pk, PA 16802 USA
[47] Polytech Univ, Tokyo, Japan
[48] Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy
[49] Ist Nazl Fis Nucl, Rome, Italy
[50] Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England