[1] UNIV PERUGIA,I-06100 PERUGIA,ITALY
[2] UNIV GENEVA,CH-1211 GENEVA 4,SWITZERLAND
[3] NATL CENT UNIV,CHUNGLI,TAIWAN
[4] INST HIGH ENERGY PHYS,BERLIN,GERMANY
[5] RHEIN WESTFAL TH AACHEN,INST PHYS 3,W-5100 AACHEN,GERMANY
[6] CERN,DIV PPE,CH-1211 GENEVA 23,SWITZERLAND
[7] LOS ALAMOS NATL LAB,LOS ALAMOS,NM 87545
[8] SWISS FED INST TECHNOL,INST HIGH ENERGY PHYS,CH-8092 ZURICH,SWITZERLAND
[9] IST NAZL FIS NUCL,FLORENCE,ITALY
[10] UNIV FLORENCE,I-50121 FLORENCE,ITALY
[11] NATL TSING HUA UNIV,HSINCHU 300,TAIWAN
[12] IROE,FLORENCE,ITALY