期刊
FAIRNESS 2013: FAIR NEXT GENERATION OF SCIENTISTS 2013
卷 503, 期 -, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1742-6596/503/1/012015
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Lepton pairs emerging from decays of virtual photons are one of the most promising probes of dense hadronic matter. The HADES experiment at GSI Helmholtzzentrum fur Schwerionenforschung in Darmstadt studies dielectron radiation as well as strangeness production in various reactions, i.e. proton, deuteron and heavy-ion. The understanding of the corresponding experimental results calls for supporting studies from various model calculations. For a more model independent understanding of the dilepton cocktail the production cross sections of particles created during the freeze-out is crucial. In this contribution we will present results from a two photon analysis of Au+Au in 1.23 GeV/u collisions providing information on pi and eta mesons. Therefore the capability of HADES to detect e(+)e(-) pairs from external conversion of real photons will be explained and first results will be shown.
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