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The European Physical Journal A

, Volume 32, Issue 3, pp 267–272 | Cite as

Δ33 -medium mass modification and pion spectra

  • B. Pin-zhen
  • J. RafelskiEmail author
Regular Article - Heavy Ion Physics

Abstract.

We study the π± spectra obtained in 2, 4, 6 and 8A GeV Au - Au collisions within the thermal model. We find that the main features of the data can be well described after we include the pions from the decay of the Δ -resonance with medium mass modification.

PACS.

25.75.-q Relativistic heavy-ion collisions 24.10.Pa Thermal and statistical models 25.75.Dw Particle and resonance production 24.10.Nz Hydrodynamic models 

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Copyright information

© Società Italiana di Fisica and Springer-Verlag 2007

Authors and Affiliations

  1. 1.Institute of Modern PhysicsFudan UniversityShanghaiChina
  2. 2.Department of PhysicsUniversity of ArizonaTucsonUSA

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