Subthreshold production of Σ(1385) baryons in Al+Al collisions at 1.9A GeV

X. Lopez, N. Herrmann, P. Crochet, A. Andronic, V. Barret, Z. Basrak, N. Bastid, M. L. Benabderrahmane, P. Buehler, M. Cargnelli, R. Caplar, E. Cordier, P. Dupieux, M. Dzelalija, L. Fabbietti, Z. Fodor, I. Gasparić, Y. Grishkin, O. N. Hartmann, K. D. HildenbrandB. Hong, T. I. Kang, J. Kecskemeti, M. Kirejczyk, Y. J. Kim, M. Kis, P. Koczon, M. Korolija, R. Kotte, A. Lebedev, Y. Leifels, V. Manko, J. Marton, T. Matulewicz, M. Merschmeyer, W. Neubert, D. Pelte, M. Petrovici, K. Piasecki, F. Rami, W. Reisdorf, M. S. Ryu, P. Schmidt, A. Schüttauf, Z. Seres, B. Sikora, K. S. Sim, V. Simion, K. Siwek-Wilczyńska, V. Smolyankin, G. Stoicea, K. Suzuki, Z. Tyminski, P. Wagner, E. Widmann, K. Wiśniewski, D. Wohlfarth, Z. G. Xiao, I. Yushmanov, X. Y. Zhang, A. Zhilin, J. Zmeskal, P. Kienle, T. Yamazaki

Research output: Article

31 Citations (Scopus)

Abstract

First measurement of subthreshold Σ(1385) production is presented. Experimental data are presented for Al+Al reactions at 1.9A GeV measured with the FOPI detector at SIS/GSI. The Σ(1385)/Λ ratio is found to be in good agreement with the transport and statistical model predictions. The results allow for a better understanding of subthreshold strangeness production and strangeness exchange reaction which is the dominant process for K- production below and close-to threshold.

Original languageEnglish
Article number052203
JournalPhysical Review C - Nuclear Physics
Volume76
Issue number5
DOIs
Publication statusPublished - dec. 3 2007

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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    Lopez, X., Herrmann, N., Crochet, P., Andronic, A., Barret, V., Basrak, Z., Bastid, N., Benabderrahmane, M. L., Buehler, P., Cargnelli, M., Caplar, R., Cordier, E., Dupieux, P., Dzelalija, M., Fabbietti, L., Fodor, Z., Gasparić, I., Grishkin, Y., Hartmann, O. N., ... Yamazaki, T. (2007). Subthreshold production of Σ(1385) baryons in Al+Al collisions at 1.9A GeV. Physical Review C - Nuclear Physics, 76(5), [052203]. https://doi.org/10.1103/PhysRevC.76.052203