[1] Univ Roma La Sapienza, Rome, Italy
[2] Sezione Ist Nazl Fis Nucl, Rome, Italy
[3] Yerevan Phys Inst, Yerevan 375036, Armenia
[4] Res Inst Nucl Problems, Minsk, BELARUS
[5] Tech Univ Split, Split, Croatia
[6] Univ Split, Split, Croatia
[7] Univ Cyprus, Nicosia, Cyprus
[8] CNRS, IN2P3, Lab Annecy Le Vieux Phys Particules, Annecy Le Vieux, France
[9] CEA Saclay, DSM, DAPNIA, F-91191 Gif Sur Yvette, France
[10] Ecole Polytech, CNRS, IN2P3, Lab Leprince Ringuet, F-91128 Palaiseau, France
[11] Univ Lyon 1, CNRS, IN2P3, Inst Phys Nucl Lyon, F-69622 Villeurbanne, France
[12] Inst Nucl Phys Demokritos, Aghia Paraskevi, Greece
[13] Univ Ioannina, GR-45110 Ioannina, Greece
[14] Univ Delhi, Delhi 110007, India
[15] Bhabha Atom Res Ctr, Mumbai 400085, Maharashtra, India
[16] Ist Nazl Fis Nucl, I-20133 Milan, Italy
[17] Univ Milano Bicocca, Milan, Italy
[18] Univ Turin, Turin, Italy
[19] Ist Nazl Fis Nucl, I-10125 Turin, Italy
[20] Univ Trieste, Trieste, Italy
[21] Sezione Ist Nazl Fis Nucl, Trieste, Italy
[22] Lab Instrumentacao & Fis Expt Particulas, Lisbon, Portugal
[23] Russian Acad Sci, Inst Nucl Res, Moscow, Russia
[24] IHEP, Protvino, Russia
[25] Vinca Inst Nucl Sci, Belgrade, Serbia
[26] CERN, European Org Nucl Res, CH-1211 Geneva, Switzerland
[27] Paul Scherrer Inst, Villigen, Switzerland
[28] ETH, Inst Particle Phys, Zurich, Switzerland
[29] Natl Cent Univ, Chungli, Taiwan
[30] Natl Taiwan Univ, Taipei 10764, Taiwan
[31] Univ Bristol, Bristol, Avon, England
[32] Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England
[33] Univ London Imperial Coll Sci Technol & Med, London, England
[34] Brunel Univ, Uxbridge UB8 3PH, Middx, England
[35] Northeastern Univ, Boston, MA 02115 USA
[36] Univ Virginia, Charlottesville, VA USA
[37] Cornell Univ, Ithaca, NY USA
[38] Kansas State Univ, Manhattan, KS 66506 USA
[39] Univ Minnesota, Minneapolis, MN USA
[40] Univ Notre Dame, Notre Dame, IN 46556 USA
[41] CALTECH, Pasadena, CA 91125 USA
[42] Princeton Univ, Princeton, NJ 08544 USA
[43] Florida State Univ, Tallahassee, FL 32306 USA
[44] Univ Belgrade, Fac Phys, Belgrade 11001, Serbia