Mass of the ρ0 meson in ultra-relativistic heavy-ion collisions

@article{Ayala2004MassOT,
  title={Mass of the $\rho$0 meson in ultra-relativistic heavy-ion collisions},
  author={A. Ayala and J. G. Contreras and J. Magnin},
  journal={Physics Letters B},
  year={2004},
  volume={603},
  pages={165-172}
}
Abstract We study the behavior of the ρ vector mass in the context of the almost baryon-free environment of an ultra-relativistic heavy-ion collision. We show that ρ scattering within the hadronic phase of the collision leads to a temperature dependent, decrease of its intrinsic mass at rest, compared to the value in vacuum. The main contributions arise from s-channel scattering with pions through the formation of a 1 resonances as well as with nucleons through the formation of even parity… Expand
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In-medium excitations

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