[1] Univ Washington, Inst Nucl Theory, Seattle, WA 98195 USA
[2] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA
[3] Univ Victoria, Dept Phys & Astron, Victoria, BC V8P 5C2, Canada
[4] Fermilab Natl Accelerator Lab, Batavia, IL USA
[5] Northwestern Univ, Dept Phys & Astron, 2145 Sheridan Rd, Evanston, IL 60208 USA
[6] Ist Nazl Fis Nucl INFN, Sez Ferrara, Via Giuseppe Saragat 1, I-44122 Ferrara, Italy
[7] Univ Ferrara, Dipartimento Fis & Sci Terra, Via Giuseppe Saragat 1, I-44122 Ferrara, Italy
[8] Univ Copenhagen, Niels Bohr Inst, Niels Bohr Int Acad, Copenhagen, Denmark
[9] Univ New Mexico, Dept Phys & Astron, Albuquerque, NM 87106 USA
[10] SLAC Natl Accelerator Lab, 2575 Sand Hill Rd, Menlo Pk, CA 94025 USA
[11] Brookhaven Natl Lab, Phys Dept, High Energy Theory Grp, Upton, NY 11973 USA
[12] Washington Univ, Dept Phys, St Louis, MO 63130 USA
[13] Washington Univ, McDonnell Ctr Space Sci, St Louis, MO 63130 USA
[14] Texas A&M Univ, Mitchell Inst Fundamental Phys & Astron, Dept Phys & Astron, College Stn, TX 77843 USA
[15] Ohio State Univ, Ctr Cosmol & AstroParticle Phys CCAPP, Columbus, OH 43210 USA
[16] Ohio State Univ, Dept Phys, Columbus, OH 43210 USA
[17] Univ Napoli Federico II, Dipartimento Fis Ettore Pancini, Complesso Univ Monte S Angelo, I-80126 Naples, Italy
[18] INFN, Sez Napoli, Complesso Univ Monte S Angelo, I-80126 Naples, Italy
[19] Univ Notre Dame, Dept Phys, South Bend, IN 46556 USA
[20] Homi Bhabha Natl Inst, Harish Chandra Res Inst, Reg Ctr Accelerator Based Particle Phys, Chhatnag Rd, Prayagraj 211019, India
[21] North Carolina State Univ, Dept Phys, Raleigh, NC 27695 USA
[22] Univ Pittsburgh, Dept Phys & Astron, PITT PACC, 3941 Ohara St, Pittsburgh, PA 15260 USA
[23] Aarhus Univ, Dept Phys & Astron, DK-8000 Aarhus C, Denmark
[24] Perimeter Inst Theoret Phys, Waterloo, ON N2J 2W9, Canada
[25] Univ Minnesota, Sch Phys & Astron, Minneapolis, MN 55455 USA
[26] Virginia Tech Univ, Ctr Neutrino Phys, Dept Phys, Blacksburg, VA 24601 USA
[27] Moravian Univ, Dept Phys, Bethlehem, PA USA
[28] Bowdoin Coll, Dept Phys & Astron, Brunswick, ME USA
[29] CERN, Esplande Particules, CH-1211 Geneva 23, Switzerland
[30] Deutsch Elektronen Synchrotron DESY, Notkestr 85, D-22607 Hamburg, Germany
[31] Univ Washington, Dept Phys, Seattle, WA 98195 USA
[32] Indian Inst Technol, Dept Phys, Indore, India
[33] Univ Napoli Federico II, Scuola Super Meridionale, Largo San Marcellino 10, I-80138 Naples, Italy
[34] Max Planck Inst Kernphys, Saupfercheckweg 1, D-69117 Heidelberg, Germany
[35] Loyola Univ Chicago, Chicago, IL USA
[36] Southeast Univ, Sch Phys, Nanjing 211189, Peoples R China
[37] Carleton Univ, Dept Phys, Ottawa, ON, Canada