[1] CERN,DIV PS BD,CH-1211 GENEVA 23,SWITZERLAND
[2] ANNECY LAPP,IN2P3,ANNECY,FRANCE
[3] UNIV IOWA,IOWA CITY,IA
[4] KYOTO SANGYO UNIV,KYOTO,JAPAN
[5] UNIV MESSINA,IST NAZL FIS NUCL,MESSINA,ITALY
[6] OSAKA CITY UNIV,OSAKA 558,JAPAN
[7] UNIV PISA,IST NAZL FIS NUCL,I-56100 PISA,ITALY
[8] STRASBOURG CTR RECH NUCL,STRASBOURG,FRANCE
[9] UNIV TRIESTE,IST NAZL FIS NUCL,TRIESTE,ITALY
[10] SERPUKHOV HIGH ENERGY PHYS INST,SERPUKHOV 142284,RUSSIA
[11] UNIV TOKYO,TOKYO,JAPAN