Measurement of the multiplicities in the collision of hadrons with heavy nuclei at 200 GeV/c

D. H. Brick, H. Rudnicka, A. M. Shapiro, W. Smith, M. Widgoff, P. Beillière, P. Lutz, J. L. Narjoux, N. Gelfand, E. D. Alyea, J. T. Bober, W. Busza, R. Dolfini, T. A.J. Frank, E. S. Hafen, P. Haridas, D. Huang, R. I. Hulsizer, V. Kistiakowsky, S. NoguchiS. H. Oh, I. A. Pless, T. B. Stoughton, V. Suchorebrow, S. Tether, P. C. Trepagnier, B. F. Wadsworth, Y. Wu, R. K. Yamamoto, H. Debock, F. Crijns, M. Schouten, R. Van de Walle, R. Dimarco, P. F. Jacques, M. Kalelkar, R. J. Plano, P. E. Stamer, A. Vogel, E. B. Brucker, E. L. Koller, G. Alexander, J. Grunhaus, A. Levy, C. Milstene, W. M. Bugg, G. T. Condo, T. Handler, H. J. Hargis, E. L. Hart, A. Rafatian, A. H. Rogers, T. Kitagaki, S. Tanaka, H. Yuta, K. Abe, K. Hasegawa, Akira Yamaguchi, K. Tamai, Y. Hayashino, Y. Otani, M. Higuchi, M. Sato, T. Ludlam, R. Steiner, H. D. Taft

研究成果: Article査読

6 被引用数 (Scopus)


We report on the interactions of an incident 200 GeV / c beam composed of 33% protons, 16% kaons, and 48% pions on targets of silver and gold mounted in the Fermilab 30″ bubble chamber. Within our limited statistics, we find the total cross sections and average multiplicities to agree with previously published data. We find the KNO scaling distribution curve to be broader for heavy nuclei than for hydrogen. We present the first data for V 0 production on gold and silver. We also present, for the first time, evidence for a positive charge excess among the sample of relativistic tracks from interactions on gold and silver. We observe a trend where the positive charge excess increases with target atomic number and with increasing charged particle multiplicity. We find the charge excess to exist among the sample of particles having greater than 2 GeV / c momentum and to persist in the sample with momentum greater than 4 GeV / c.

ジャーナルNuclear Physics, Section B
出版ステータスPublished - 1982 6 21

ASJC Scopus subject areas

  • 核物理学および高エネルギー物理学


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