Medium Modifications of Vector Mesons and NA60

Details Medium Modifications of Vector Mesons and NA60 Medium Modifications of Vector Mesons and NA60

2006-04-28

arxiv.org/abs/hep-ph/0604269v1

Proceedings of the 22nd Winter Workshop on Nuclear Dynamics, EP Systema, Budapest, Hungary 2006, 91-98

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, 6 figures, contribution to the proceedings of the 22nd Winter Workshop on Nuclear Dynamics

Scientific paper

We confront different models for medium modifications of the electromagnetic correlation function to recent dimuon spectra from the NA60 collaboration for central In-In collisions at the CERN-SPS. In the low-mass region (M \lesssim 1.0 GeV), we evaluate medium modifications of the spectral properties of \rho-, \omega- and \phi-mesons. In the intermediate-mass region (M>1.0 GeV), we employ schematic models for the mixing of vector and axialvector current correlators, which provide a mechanism for chiral-symmetry restoration.

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