Strangeness Freeze-out in
Relativistic Heavy Ion Collisions
Rene Bellwied, Wayne State University
Talk given at RHIC 2000, Park City, 3/12/00
Slide 1 - Layout of Talk
Slide 2 - Strange Baryons as QGP signatures
Slide 3 - WA97 measurements
Slide 4 - NA35/NA49 measurements
Slide 5 - E895 measurements at the AGS
Slide 6 - Thermal model description
Slide 7 - Generalized thermal analysis
Slide 8 - Thermal problem: multi-strange baryons
Slide 9 - Remedy: Sudden hadronization ?
Slide 10 - Thermal QGP scenario (Stock)
Slide 11 - Thermal phase diagram (Heinz)
Slide 12 - Parameters in our transport code
Slide 13 - Application to past SPS measurements
Slide 14 - Yields as a function of time
Slide 15 - Simulated Lambda slope
Slide 16 - Contributions to the Lambda yield
Slide 17 - Contributions to the Lambda yield in S+S
Slide 18 - Proof of detailed balance
Slide 19 - Chemical vs. thermal freeze-out
Slide 20 - Chemical freeze-out spectrum
Slide 21 - Thermal freeze-out spectrum
Slide 22 - Yield comparison for three systems
Slide 23 - Other transport code results
Slide 24 - Conclusions and trends
Slide 25 - RHIC predictions 1
Slide 26 - RHIC predictions 2
Last Update: 3/9/00
bellwied@physics.wayne.edu