Particle production in Si + A and p + A collisions at 14.6 A·GeV/c

T. Abbott, Y. Akiba, D. Beavis, M. A. Bloomer, P. D. Bond, C. Chasman, Z. Chen, Y. Y. Chu, B. A. Cole, J. B. Costales, H. J. Crawford, J. B. Cumming, R. Debbe, J. Engelage, S. Y. Fung, L. Grodzins, S. Gushue, H. Hamagaki, O. Hansen, R. S. HayanoS. Hayashi, S. Homma, H. Z. Huang, Y. Ikeda, I. Juricic, J. Kang, S. Katcoff, S. Kaufman, K. Kimura, K. Kitamura, K. Kurita, R. J. Ledoux, M. J. Levine, Y. Miake, R. J. Morse, B. Moskowitz, S. Nagamiya, J. Olness, C. G. Parsons, L. P. Remsberg, H. Sakura, M. Sarabura, P. Stankus, S. G. Steadman, G. S.F. Stephans, T. Sugitate, M. Tanaka, M. J. Tannenbaum, M. Torikoshi, J. H. Van Dijk, F. Videbaek, M. Vient, P. Vincent, V. Vutsadakis, H. E. Wegner, D. S. Woodruff, Y. D. Wu, W. Zajc

Research output: Contribution to journalArticlepeer-review

Original languageEnglish
Pages (from-to)231-236
Number of pages6
JournalNuclear Physics, Section A
Issue numberC
Publication statusPublished - 1991 Apr

Bibliographical note

Funding Information:
described by an exponential in mt. The inverse slope parameters, TO, obtained by an exponential fit, exp(-mt/TO), to the invariant cross section in p+A collisions are observed as: To(p, K+, x2 ) = 150 f 10 MeV, while in central Si+Au collisions, TO(p, K+) = 210 f 10 MeV > TO(@) = 150 + 10 MeV at mid rapidity. In p+Au, rapidity distributions for ti and K+ shift towards the target rapidity, while in p+Be they are broad and symmetric with respect to ynn. In central Si+Au, the rapidity distributions show a broad peak for a+, K+ with the K+ peaking at lower rapidity than d’s and ypart. The gradual increase of dn/dy for K+‘s per projectile nucleon from p+Be to p+Au and to central Si+Au collisions is observed, while it stays roughly the same for pions. A hint of K-enhancement in central Si+Au collisions is also seen This work has been supported by the U.S. Department of Energy, NASA, and the US-Japan High Energy Physics Collaboration Treaty.

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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