Leading particle distributions in 200 GeV/c p+A interactions

K. Abe, G. Alexander, E. D. Alyea, M. Badiak, P. Beilliere, M. Bloomer, T. Bober, J. E. Brau, D. H. Brick, E. B. Brucker, W. M. Bugg, W. Busza, C. Castoldi, B. Cole, H. O. Cohn, G. T. Condo, R. Dimarco, R. Dolfini, T. A. Frank, T. A. FuessE. Galligarich, N. Gel'fand, L. Grodzins, J. Grunhaus, E. S. Hafen, T. Handler, H. J. Hargis, P. Haridas, E. L. Hart, K. Hasegawa, Y. Hayashino, M. Higuchi, D. Huang, H. Z. Huang, R. Hulsizer, L. Introzzi, P. F. Jacques, M. Kalelkar, V. Kistiakowsky, T. Kitagaki, E. L. Koller, R. J. Ledoux, A. Levy, T. Ludlam, P. Lutz, C. Milstene, J. L. Narjoux, S. Noguchi, S. H. Oh, Y. Otani, R. J. Plano, I. A. Pless, S. Ratti, A. Rafatian, A. H. Rogers, M. Sato, P. E. Stamer, S. G. Steadman, R. Steiner, T. B. Stoughton, V. Suchorebrow, B. Taft, K. Tamai, S. Tanaka, S. Tether, P. C. Trepagnier, B. F. Wadsworth, M. Widgoff, Y. Wu, Akira Yamaguchi, R. K. Yamamoto, H. Yuta

研究成果: Article査読

9 被引用数 (Scopus)


Distributions of the leading positive particle have been measured in collisions of a 200 GeV/c proton beam with hydrogen, Mg, Ag and Au targets using the FNAL Hybrid Spectrometer. Estimates of the rapidity loss of the projectile have been obtained as a function of the target mass, the multiplicity of negative particles and the number of recoil protons. We obtained a lower limit of the rapidity loss of 2.0±0.2 for central p+Au collisions. The impact parameter dependence of the momenta of the first few leading particles has also been investigated with important implications to estimates of energy densities obtained in central collisions.

ジャーナルPhysics Letters B
出版ステータスPublished - 1988 1月 14

ASJC Scopus subject areas

  • 核物理学および高エネルギー物理学


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