[1] CARNEGIE MELLON UNIV, DEPT PHYS, PITTSBURGH, PA 15213 USA
[2] UNIV KARLSRUHE, INST EXPTL KERNPHYS, W-7500 KARLSRUHE, GERMANY
[3] UNIV CALIF LOS ALAMOS SCI LAB, LOS ALAMOS, NM 87545 USA
[4] UNIV MARYLAND, COLLEGE PK, MD 20742 USA
[5] MIT, BATES LINEAR ACCELERATOR CTR, CAMBRIDGE, MA 02139 USA
[6] MIT, DEPT PHYS, NUCL SCI LAB, CAMBRIDGE, MA 02139 USA
[7] NATL ACCELERATOR CTR, FAURE 7131, SOUTH AFRICA
[8] NEW MEXICO STATE UNIV, DEPT PHYS, LAS CRUCES, NM 88003 USA
[9] NATL INST NUCL PHYS & HIGH ENERGY PHYS, 1009 DB AMSTERDAM, NETHERLANDS
[10] PAUL SCHERRER INST, CH-5232 VILLIGEN, SWITZERLAND
[11] UNIV ZAGREB, FAC PHYS, YU-41001 ZAGREB, CROATIA
[12] UNIV ZAGREB, FAC ELECT ENGN, YU-41001 ZAGREB, CROATIA