Measurement of K*(892)(0) and K-0 mesons in Al plus Al collisions at 1.9A GeV (CROSBI ID 166990)
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Podaci o odgovornosti
Lopez, X. ; Herrmann, N. ; Piasecki, K. ; Andronić, A. ; Barret, V. ; Basrak, Zoran ; Bastid, N. ; Benabderrahmane, M. L. ; Buehler, P. ; Cargnelli, M. ; Čaplar, Roman ; Crochet, P. ; Dupieux, P. ; Dželalija, Mile ; Fabbietti, L. ; Fijal-Kirejczyk, I. ; Fodor, Z. ; Gasik, P. ; Gašparić, Igor ; Grishkin, Y. ; Hartmann, O. N. ; Hildenbrand, K. D. ; Hong, B. ; Kang, T. I. ; Kecskemeti, J. ; Kirejczyk, M. ; Kim, Y. J. ; Kiš, Mladen ; Koczon, P. ; Korolija, Milorad ; Kotte, R. ; Lebedev, A. ; Leifels, Y. ; Manko, V. ; Marton, J. ; Matulewicz, T. ; Merschmeyer, M. ; Neubert, W. ; Pelte, D. ; Petrovici, M. ; Rami, F. ; Reisdorf, W. ; Ryu, M. ; Schmidt, P. ; Schuettauf, A. ; Seres, Z. ; Sikora, B. ; Sim, K. S. ; Simion, V. ; Siwek-Wilczynska, K. ; Smolyankin, V. ; Suzuki, K. ; Tyminski, Z. ; Wagner, P. ; Widmann, E. ; Wisniewski, K. ; Xiao, Z. G. ; Yushmanov, I. ; Zhang, X. Y. ; Zhilin, A. ; Zmeskal, J. ; Kienle, P. ; Yamazaki, T.
engleski
Measurement of K*(892)(0) and K-0 mesons in Al plus Al collisions at 1.9A GeV
A new measurement of subthreshold K*(892)(0) and K-0 production is presented. The experimental data complete the measurement of strange particles produced in Al + Al collisions at 1.9A GeV measured with the FOPI detector at SIS at GSI (Darmstadt). The K*(892)(0)/K-0 yield ratio is found to be 0.0315 +/- 0.006(stat.) +/- 0.012(syst.) and is in good agreement with the transport model prediction. These measurements provide information on the in-medium cross section of K+-pi(-) fusion, which is the dominant process in subthreshold K*(892)(0) production.
heavy-ion collisions; k+ mesons; dynamics; flow
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Podaci o izdanju
81 (6)
2010.
061902-1-061902-4
objavljeno
0556-2813
10.1103/PhysRevC.81.061902
