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HADRON 2009: Proceedings of the XIII International Conference on Hadron Spectroscopy, Tallahassee : États-Unis (2009)
Studying Hadron Properties in Baryonic Matter with HADES
A. Kugler, J. L. Boyard1, T. Hennino1, T. Liu1, E. Morinière1, B. Ramstein1, M. Sudol1
HADES Collaboration(s)
(2010)

The HADES spectrometer installed at GSI Darmstadt is a second generation experiment to study production of lepton pairs from proton, pion and nucleus induced reactions at the SIS∕BEVALAC energy regime. The HADES study of the light C+C system at 1 and 2 AGeV confirms former finding of the DLS collaboration. Further studies of the reaction p+p and d+p allowed to reveal contribution to the above mentioned data of di‐leptons produced during first chance collision. Finally, the results of the study of heavier system Ar+KCl indicates possible nonlinear dependence of the observed excess over the known long lived sources of di‐leptons on the number of participants.
1 :  IPNO - Institut de Physique Nucléaire d'Orsay
Physique/Physique Nucléaire Théorique