E_TN_ch

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E_T/N_ch from GSI to RHIC J. Cleymans, R.
Sahoo, D.K. Srivastava, S. Wheaton
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Outline

• 1) Status of Chemical Equilibrium
• 2) Relation between E/N and

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F. Becattini, J.C., A. Keranen, K. Redlich, E.
Suhonen, Phys. Rev. C64 024901 J.C and K.
Redlich, PRL 24 (1998) 5284
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Will it be possible to measure directlyE/N ?E
energy of primordial hadronsN number of
primordial hadrons

• Only secondary decay products are measured.

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Rapidity Dependence of Thermal Parameters
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Beyond Integrated Particle Yields.
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CONCLUSION
The evidence for chemical equilibrium in
relativistic heavy ion collisions is
OVERWHELMING
Thanks