Neutral strange particle production in sulphur-sulphur and proton-sulphur collisions at 200 GeV/nucleon

J. Bartke, H. Bialkowska, R. Bock, R. Brockmann, S. I. Chase, I. Derado, V. Eckardt, J. Eschke, C. Favuzzi, D. Ferenc, B. Fleischmann, M. Fuchs, M. Gazdzicki, H. J. Gebauer, E. Gladysz, C. Guerra, O. Hansen, J. W. Harris, W. Heck, T. HumanicK. Kadija, S. Kabana, A. Karabarbounis, K. Keidel, J. Kosiec, M. Kowalski, A. Kühmichel, M. Lahanas, J. Y. Lee, M. LeVine, A. Ljubicic, S. Margetis, E. Nappi, G. Odyniec, G. Paic, A. D. Panagiotou, A. Petridis, J. Pfennig, A. Piper, F. Posa, H. G. Pugh, F. Fühlhofer, G. Rai, W. Rauch, R. Renfordt, D. Röhrich, H. Rothard, K. Runge, A. Sandoval, E. Schmidt, N. Schmitz, E. Schmoetten, I. Schneider, L. S. Schroeder, P. Seyboth, J. Seyerlein, E. Skrzypczak, P. Spinelli, R. Stock, H. Ströbele, L. Teitelbaum, A. Thomas, S. Tonse, G. Vassileiadis, G. Vesztergombi, D. Vranic, S. Wenig

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Abstract

The production of Λ, {Mathematical expression} and Ks0 has been studied in 200 GeV/nucleon p+S and S+S collisions in the streamer chamber of the NA35 experiment at the CERN SPS. Significant enhancement of the multiplicities of all observed strange particles relative to negative hadrons was observed in central S+S collisions, as compared to p+p and p+S collisions. The latter collisions show no overall (relative) strangeness enhancement over p+p, but the rapidity distributions and hadron multiplicities indicate some secondary cascading production of Λ particles in the p+S and p+Au collisions. The Λ polarization in central S+S collisions was found to be compatible with zero up to pT=2 GeV/c.

Original languageEnglish
Pages (from-to)191-200
Number of pages10
JournalZeitschrift für Physik C Particles and Fields
Volume48
Issue number2
DOIs
Publication statusPublished - Jun 1990
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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    Bartke, J., Bialkowska, H., Bock, R., Brockmann, R., Chase, S. I., Derado, I., Eckardt, V., Eschke, J., Favuzzi, C., Ferenc, D., Fleischmann, B., Fuchs, M., Gazdzicki, M., Gebauer, H. J., Gladysz, E., Guerra, C., Hansen, O., Harris, J. W., Heck, W., ... Wenig, S. (1990). Neutral strange particle production in sulphur-sulphur and proton-sulphur collisions at 200 GeV/nucleon. Zeitschrift für Physik C Particles and Fields, 48(2), 191-200. https://doi.org/10.1007/BF01554465