Münster 2017 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 21: Heavy Ion Collisions and QCD Phases V

HK 21.6: Talk

Tuesday, March 28, 2017, 15:30–15:45, F 3

φ meson production in p(3.5 GeV) + Nb reactions. — •Christian Wendisch for the HADES collaboration — GSI Helmholtzzentrum Darmstadt

For understanding the behavior of strange particles inside nuclear matter besides the study of complex heavy ion collisions, in particular studies of nucleon-core collisions are well suited. In this contribution we focus on the production of the φ meson, carrying hidden strangeness, reconstructed via it’s hadronic decay into two charged kaons. The investigated data sample comprises 4 · 10⁹ p(3.5 GeV) + Nb Reactions measured by HADES. We discuss the observed φ/ω ratio with respect to the suppression by the OZI rule and to the statistical particle production. In addition the preliminary experimental results are compared to transport model calculations.