Target dependence of central rapidity production in sulfur-nucleus collisions at 200 GeV/c per nucleon

E. Andersen, P. D. Barnes, R. Blaes, H. Braun, J. M. Brom, B. Castaño, M. Cherney, M. Cohler, B. De La Cruz, G. E. Diebold, C. Fernandez, G. Franklin, C. Garabatos, J. A. Garzn, W. M. Geist, D. Greiner, C. Gruhn, M. Hafidouni, J. Hrubec, D. HussJ. L. Jacquot, P. G. Jones, J. P.M. Kuipers, M. Ladrem, P. Ladrn De Guevara, D. Liko, S. Lopez-Ponte, G. Løvhøiden, J. MacNaughton, C. J. Maher, A. Michalon, M. E. Michalon-Mentzer, J. Mosquera, Z. Natkaniec, J. M. Nelson, G. Neuhofer, C. Perez De Los Heros, M. Pl, P. Porth, B. Powell, B. Quinn, A. Ramil, J. L. Riester, H. Rohringer, G. Sakrejda, I. Sakrejda, T. Thorsteinsen, J. Traxler, C. Voltolini, A. Yañez, P. Yepes, R. Zybert

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Abstract

Central rapidity production has been measured in sulfur collisions with Cu, Ag, and Pb at 200 GeV/c per nucleon. Lambdas produced in these collisions were identified by their charged decays recorded by a time projection chamber. The yields are compared as a function of target mass. For each target, the yields are reported as a function of transverse kinetic energy and zero degree energy (a measure of collision centrality). In each system, the data exceed predictions of the venus size-2(4.02) model of sulfur-nucleus collisions. The observed excesses show no obvious variation with collision centrality from moderate to highly central collisions.

Original languageEnglish (US)
Pages (from-to)727-735
Number of pages9
JournalPhysical Review C
Volume46
Issue number2
DOIs
StatePublished - Jan 1 1992

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All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

Cite this

Andersen, E., Barnes, P. D., Blaes, R., Braun, H., Brom, J. M., Castaño, B., Cherney, M., Cohler, M., De La Cruz, B., Diebold, G. E., Fernandez, C., Franklin, G., Garabatos, C., Garzn, J. A., Geist, W. M., Greiner, D., Gruhn, C., Hafidouni, M., Hrubec, J., ... Zybert, R. (1992). Target dependence of central rapidity production in sulfur-nucleus collisions at 200 GeV/c per nucleon. Physical Review C, 46(2), 727-735. https://doi.org/10.1103/PhysRevC.46.727