E. B. Dally*, J. M. Hauptman, J. Kubic, D. H. Stork, and A. B. Watson
- Physics Department, University of California, Los Angeles, California 90024
Z. Guzik, T. S. Nigmanov, V. D. Riabtsov, E. N. Tsyganov, and A. S. Vodopianov
- Joint Institute for Nuclear Research, Dubna, U. S. S. R.
A. Beretvas†, A. Grigorian‡, J. C. Tompkins§, T. E. Toohig, and A. A. Wehmann
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510
J. A. Poirier, C. A. Rey∥, and J. T. Volk¶
- Physics Department, University of Notre Dame, Notre Dame, Indiana 46556
P. D. Rapp** and P. F. Shepard
- Physics Department, University of Pittsburgh, Pittsburgh, Pennsylvania 15620
- *Now at Varian Associates, Hansen Way, Palo Alto, Cal. 94306.
- †Now at Rutgers University, Piscataway, N.J. 08854.
- ‡Now at Hughes Aircraft Co., Culver City, Cal. 90230.
- §High Energy Physics Laboratory, Stanford University, Stanford, Cal. 94305.
- ∥Now at Intersonics, Inc., Northbrook, Ill. 60062.
- ¶Now at Ohio State University, Columbus, Ohio 43210.
- **Now at Fermi National Accelerator Laboratory, Batavia, Ill. 60510.