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$\Omega$ and $\bar{\Omega}$ production in central Pb+Pb collisions at 40 and 158 AGeV
- Publication Year :
- 2004
-
Abstract
- Results are presented on $\Omega$ production in central Pb+Pb collisions at 40 and 158A GeV beam energy. Given are transverse-mass spectra, rapidity distributions, and total yields for the sum $\Omega$+$\bar{\Omega}$ at 40 AGeV and for $\Omega$ and $\bar{\Omega}$ separately at 158 AGeV. The yields are strongly under-predicted by the string-hadronic UrQMD model and agree with predictions from a hadron gas model assuming strangeness under-saturation. Results are presented on Omega production in central Pb+Pb collisions at 40 and 158 AGeV beam energy. Given are transverse-mass spectra, rapidity distributions, and total yields for the sum Omega+Antiomega at 40 AGeV and for Omega and Antiomega separately at 158 AGeV. The yields are strongly under-predicted by the string-hadronic UrQMD model and are in better agreement with predictions from a hadron gas models.
- Subjects :
- Nuclear Theory
High Energy Physics::Experiment
Nuclear Experiment
Nuclear Physics
Subjects
Details
- Language :
- English
- Database :
- OpenAIRE
- Accession number :
- edsair.od........65..3162a6ea574fae7415555800603fcc8e