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Dresden 2013 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 4: Schwerionenkollisionen und QCD Phasen

HK 4.2: Talk

Monday, March 4, 2013, 11:30–11:45, HSZ-204

HADES at SIS-100 — •Jerzy Pietraszko — GSI Helmholtzzentrum für Schwerionenforschung GmbH, Planckstraße 1, 64291 Darmstadt, Germany

This paper presents the concept of study electron-positron pair production in the beam-energy range of 2-10AGeV by making use of the High-Acceptance Di-Electron Spectrometer (HADES), being now in operation at SIS18. The planned new FAIR Facility will provide for the first time the opportunity to perform dielectron measurements by HADES at SIS100 in a hitherto completely unexplored range of beam energies, characterized by a substantially larger compression of nuclear matter. Our simulations of such a scenario show promising results in terms of achievable dilepton acceptance and resolution. Parasitically, hadrons are accessible, too, thus providing a link to the AGS energy range. The recently conducted heavy ion experiment, Au+Au at 1.23 AGeV, at SIS18 confirmed that the spectrometer is ready to be used at higher energies. The efforts to transport the spectrometer and install it at FAIR SIS100 involve only moderate costs and manpower.

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