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Gießen 2007 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 13: Physik mit schweren Ionen

HK 13.3: Talk

Tuesday, March 13, 2007, 14:45–15:00, F

Charged kaon flow measurement with FOPI at SIS — •Young Jin Kim for the FOPI collaboration — Gesellschaft für Schwerionenforschung, Planckstr. 1, 64291 Darmstadt, Germany

The study of strange particles produced at (sub)threshold energies in nucleus-nucleus collisions can deliver insights into fundamental questions about the in-medium properties of hadrons in dense baryonic matter. Many theoretical calculations for the production and propagation of strangeness at SIS energies lead to various predictions concerning the existence and magnitude of in-medium effects for strange particles in nuclear matter [1]. As demonstrated in recent theoretical calculations [2], directed and elliptic flow of K± show dependences on the sign and magnitude of the K± in-medium potentials under different model approaches. We present results on flow for charged kaons in Ni + Ni collisions at 1.93A GeV measured with the FOPI detector at GSI-Darmstadt. The comparison between data and model calculations will be discussed. This work was supported by BMBF project 06HD953 and KOSEF grant F01-2006-000-10035-0.

[1] C. Fuchs, Prog. Part. Nucl. Phys. 56 1 (2006), and references therein.

[2] A. Mishra et al., Phys. Rev. C 70 044904 (2004).

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