Differential cross sections of J/c and c8 in 800 GeV/ cp -Si interactions

T. Alexopoulos, 1 L. Antoniazzi, 2 M. Arenton, 3 H. C. Ballagh, 4 H. Bingham, 4 A. Blankman, 5 M. Block, 6 A. Boden, 7 G. Bonomi, 2 Z. L. Cao, 3 T. Y. Chen, 8 K. Clark, 9 D. Cline, 7 S. Conetti, 3 M. Cooper, 10 G. Corti, 3 B. Cox, 3 P. Creti, 11 C. Dukes, 3 C. Durandet, 1 V. Elia, 11 A. R. Erwin, 1 L. Fortney, 12 V. Golovatyuk, 11 E. Gorini, 11 F. Grancagnolo, 11 K. Hagan-Ingram, 3 M. Haire, 13 P. Hanlet, 3 M. He, 14 G. Introzzi, 2 M. Jenkins, 9 D. Judd, 13 W. Kononenko, 5 W. Kowald, 12 K. Lau, 15 A. Ledovskoy, 3 G. Liguori, 2 J. Lys, 4 P. O. Mazur, 16 A. McManus, 3 S. Misawa, 4 G. H. Mo, 15 C. T. Murphy, 16 K. Nelson, 3 M. Panareo, 11 V. Pogosian, 3 S. Ramachandran, 7 J. Rhoades, 7 W. Selove, 5 R. P. Smith, 16 L. Spiegel, 16 J. G. Sun, 3 S. Tokar, 17 P. Torre, 2 J. Trischuk, 18 L. Turnbull, 13 D. E. Wagoner, 13 C. R. Wang, 14 C. Wei, 12 W. Yang, 16 N. Yao, 8 N. J. Zhang, 14 and B. T. Zou 12 University of Wisconsin, Madison, Wisconsin 53706 University and INFN of Pavia, Pavia, Italy University of Virginia, Charlottesville, Virginia 22901 University of California at Berkeley, Berkeley, California 94720 University of Pennsylvania, Philadelphia, Pennsylvania 19104 Northwestern University, Evanston, Illinois 60208 University of California at Los Angeles, Los Angeles, California 90024 Nanjing University, Nanjing, People’s Republic of China University of South Alabama, Mobile, Alabama 36688 Vanier College, Montreal, Quebec, Canada H4L 3X9 University and INFN of Lecce, Lecce, Italy Duke University, Durham, North Carolina 27706 Prairie View A&M, Prairie View, Texas 77446 Shandong University, Jinan, Shandong, People’s Republic of China University of Houston, Houston, Texas 77204 Fermilab, Batavia, Illinois 60510 Comenius University, Bratislava, Slovakia McGill University, Montreal, Quebec, Canada H3A 2T8 ~Received 30 July 1996!