[1] Wayne State Univ, Dept Phys, Detroit, MI 48201 USA
[2] Argonne Natl Lab, Div High Energy Phys, Argonne, IL 60439 USA
[3] Brookhaven Natl Lab, Div Phys, Upton, NY 11973 USA
[4] Dubna Joint Nucl Res Inst, Lab Particle Phys, Dubna 141980, Russia
[5] Indiana Univ, Cyclotron Facil, Bloomington, IN 47408 USA
[6] Protvino High Energy Phys Inst, Protvino 142284, Russia
[7] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA
[8] Penn State Univ, Dept Phys, University Pk, PA 16802 USA
[9] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA
[10] Rice Univ, Dept Phys, Houston, TX 77251 USA
[11] Univ Calif Los Angeles, Dept Phys, Los Angeles, CA 90095 USA
[12] Wayne State Univ, Dept Phys, Detroit, MI 48201 USA