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HK: Physik der Hadronen und Kerne

HK 11: Physik mit schweren Ionen

HK 11.2: Vortrag

Freitag, 4. März 2005, 17:00–17:15, TU MA042

Results from C+C reactions at 2 GeV per nucleon at HADES^* — •Peter Zumbruch¹, Malgorzata Sudol¹, Tassilo Christ², and Kalliopi Kanaki³ — ¹Gesellschaft für Schwerionenforschung Darmstadt — ²Technische Universität München — ³Forschungszentrum Rossendorf

HADES, the High Acceptance Di-Electron Spectrometer operational at the GSI SIS facility in Darmstadt, designed to study pair correlations of leptons emitted in heavy ion as well as elementary reactions, offers due to its large acceptance and momentum reconstruction precision also the possibilities to study hadrons and hadronic pair correlations in detail.
This paper will report on analysis and the results taken in two beamtimes in November 2001 and November 2002 with an incindent energy of 2 GeV per nucleon. Besides single particle production we will present results from hadronic pair correlations.
The K_S⁰ meson with its decay channel K_S⁰ → π⁺ π⁻ and a lifetime of 8.9 × 10⁻¹¹ ns, is a valuable candidate to explore the identification and track reconstruction capabilities of the HADES setup.
The results will be contrasted/compared to simulations as well as available experimental data.

*supported by GSI, BMBF, DFG, INTAS, EC