Rho meson broadening and dilepton production in heavy ion collisions

  • The modification of the width of the rho meson due to in-medium decays and collisions is evaluated. In high temperature and/or high density hadronic matter, the collision width is much larger than the one-loop decay width. The large width of the meson in matter seems to be consistent with some current interpretations of the e+e mass spectra measured at the CERN/SPS.

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Author:Song Gao, Charles Gale, Christoph Ernst, Horst StöckerORCiDGND, Walter GreinerGND
Document Type:Preprint
Date of Publication (online):2005/12/01
Year of first Publication:1999
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2005/12/01
Tag:Meson; Temperatur; hadronische Materie
hadronic matter; meson; temperature
Source:Nucl.Phys.A661:518-521,1999 , http://www.arxiv.org/abs/nucl-th/9906087 ; Version 3 , Quark Matter'99 Proceedings
Institutes:Physik / Physik
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Licence (German):License LogoDeutsches Urheberrecht