[1] EUROPEAN ORG NUCL RES,CERN,GENEVA,SWITZERLAND
[2] UNIV LONDON UNIV COLL,DEPT PHYS,LONDON WC1E 6BT,ENGLAND
[3] UNIV MARYLAND,DEPT PHYS,COLLEGE PK,MD 20742
[4] CARLETON UNIV,DEPT PHYS,OTTAWA K1S 5B6,ONTARIO,CANADA
[5] UNIV BIRMINGHAM,DEPT PHYS,BIRMINGHAM B15 2TT,W MIDLANDS,ENGLAND
[6] WEIZMANN INST SCI,DEPT NUCL PHYS,IL-76100 REHOVOT,ISRAEL
[7] UNIV TOKYO,ICEPP,TOKYO 113,JAPAN
[8] UNIV MONTREAL,PHYS NUCL LAB,MONTREAL H3C 3J7,QUEBEC,CANADA
[9] CENS,DEPT PHYS PARTICULES ELEMENTAIRES,F-91190 GIF SUR YVETTE,FRANCE
[10] RUTHERFORD APPLETON LAB,DIDCOT OX11 0QX,OXON,ENGLAND
[11] UNIV CHICAGO,ENRICO FERMI INST,CHICAGO,IL 60637
[12] UNIV BOLOGNA,DEPARTIMENTO FIS,I-40126 BOLOGNA,ITALY
[13] UNIV BOLOGNA,INST NAZL FIS NUCL,I-40126 BOLOGNA,ITALY
[14] UNIV CAMBRIDGE,DEPT PHYS,CAMBRIDGE,ENGLAND