[1] CERN, EUROPEAN LAB PARTICLE PHYS, CH-1211 GENEVA 23, SWITZERLAND
[2] UNIV CALIF BERKELEY, DEPT PHYS, BERKELEY, CA 94720 USA
[3] UNIV VALENCIA, CSIC, IFIC, INST FIS CORPUSCULAR, E-46100 BURJASSOT, VALENCIA, SPAIN
[4] UNIV CALIF SAN DIEGO, DEPT PHYS, LA JOLLA, CA 92093 USA
[5] CIEMAT, E-28040 MADRID, SPAIN
[6] UNIV GENOA, DIPARTIMENTO FIS, I-16146 GENOA, ITALY
[7] UNIV GENOA, IST NAZL FIS NUCL, I-16146 GENOA, ITALY
[8] UNIV GLASGOW, DEPT PHYS & ASTRON, GLASGOW G12 8QQ, LANARK, SCOTLAND
[9] HELSINKI UNIV, DEPT PHYS, FIN-00014 HELSINKI, FINLAND
[10] HELSINKI UNIV, RES INST HIGH ENERGY PHYS, FIN-00014 HELSINKI, FINLAND
[11] HILLSDALE COLL, DEPT PHYS, HILLSDALE, MI 49242 USA
[12] NATL LAB HIGH ENERGY PHYS, KEK, TSUKUBA, IBARAKI 305, JAPAN
[13] UNIV MINNESOTA, SCH PHYS & ASTRON, MINNEAPOLIS, MN 55455 USA
[14] OHIO STATE UNIV, DEPT PHYS, COLUMBUS, OH 43210 USA
[15] STANFORD UNIV, DEPT PHYS, STANFORD, CA 94305 USA
[16] SUNY STONY BROOK, INST THEORET PHYS, STONY BROOK, NY 11794 USA
[17] INST NUCL PHYS, NOVOSIBIRSK 630090, RUSSIA
[18] STANFORD LINEAR ACCELERATOR CTR, STANFORD, CA 94309 USA
[19] TATA INST FUNDAMENTAL RES, BOMBAY 400005, MAHARASHTRA, INDIA
[20] TOHOKU UNIV, DEPT PHYS, AOBA KU, SENDAI, MIYAGI 98077, JAPAN
[21] UNIV URBINO, I-61029 URBINO, ITALY
[22] IST NAZL FIS NUCL, I-50125 FLORENCE, ITALY
[23] VIRGINIA POLYTECH INST & STATE UNIV, DEPT PHYS, BLACKSBURG, VA 24061 USA
[24] ETH ZURICH, INST HIGH ENERGY PHYS, CH-8093 ZURICH, SWITZERLAND
[25] UNIV ZURICH, INST PHYS, CH-8057 ZURICH, SWITZERLAND