PRODUCTION OF LAMBDA,(LAMBDA)OVER-BAR, AND XI-,(XI)OVER-BAR-+ PARTICLES IN S+PB COLLISIONS AT 200 GEV C PER NUCLEON/

Authors
ANDERSEN E BLAES R BROM JM CAINES HL CHERNEY M DELACRUZ B FERNANDEZ C GARABATOS C GARZON JA GEIST W GREINER DE GRUHN CR HAFIDOUNI M HILL A HRUBEC J JONES PG JUDD EG KUIPERS JPM LADREM M DEGUEVARA PL LOVHOIDEN G MACNAUGHTON J MOSQUERA J NATKANIEC Z NELSON JM NEUHOFER G DELOSHEROS CP PLO M PORTH P POWELL B RAMIL A ROHRINGER H SAKREJDA I THORSTEINSEN TF TRAXLER J VOLTOLINI C WOZNIAK K YANEZ A ZYBERT R
Citation
E. Andersen et al., PRODUCTION OF LAMBDA,(LAMBDA)OVER-BAR, AND XI-,(XI)OVER-BAR-+ PARTICLES IN S+PB COLLISIONS AT 200 GEV C PER NUCLEON/, Physics letters. Section B, 327(3-4), 1994, pp. 433-438
Citations number
19
Categorie Soggetti
Physics
Journal title
Physics letters. Section B → ACNP
ISSN journal
03702693
Volume
327
Issue
3-4
Year of publication
1994
Pages
433 - 438
Database
ISI
SICI code
0370-2693(1994)327:3-4<433:POLAXP>2.0.ZU;2-3
Abstract
The yields of LAMBDA, LAMBDABAR, and XI-, XI+BAR have been measured cl ose to mid-rapidity in sulphur reactions on a Pb target at 200 GeV/c p er nucleon beam momentum. Fully corrected production ratios of LAMBDAB AR/LAMBDA, XI+BAR/XI, XI-/LAMBDA and XI+BAR/LAMBDABAR are presented. T he ratios have been analysed both in the context of a rapidly disinteg rating quark-gluon plasma and a hadronic resonance gas. Our analysis s hows that the hadron gas model is sufficient to explain the observed p article yields.