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Enhancement of strange and multi-strange baryons and anti-baryons in S W interactions at 200-GeV/c.

The WA85 collaboration Antinori, F. ; Barnes, R.P. ; Bayes, A.C. ; et al.
Phys.Lett.B 447 (1999) 178-182, 1999.
Inspire Record 500180 DOI 10.17182/hepdata.28123

Strange and multistrange baryon production is expected to be enhanced in heavy ion interactions if a phase transition from hadronic matter to a Quark-Gluon Plasma takes place. The production yields of Λ s, Λ s, Ξ − s, and Ξ + s relative to the production of negative particles are presented for sulphur-tungsten interactions at 200 GeV/ c per nucleon. These production yields are compared to those produced in proton-tungsten interactions and the enhancements of strange and multistrange baryons and antibaryons are presented.

3 data tables
Table 1

Hyperon to negative production ratios with sulphur beam.

Table 2

Hyperon to negative production ratios with proton beam.

Table 3

Strange and multistrange baryon enhancements.


Pion and proton production in proton tungsten and sulphur tungsten interactions at 200-GeV/c per nucleon

The WA85 collaboration Antinori, F. ; Barnes, R.P. ; Bayes, A.C. ; et al.
Phys.Lett.B 412 (1997) 407-413, 1997.
Inspire Record 459722 DOI 10.17182/hepdata.28265

Production of charged particles identified by a multi cell threshold Čerenkov counter in proton-tungsten and central sulphur-tungsten collisions at 200 GeV/ c per nucleon is discussed. The π ± , p and p production ratios and transverse mass spectra at central rapidity and p T > 0.6 GeV/ c are presented and compared with results from other experiments at the same beam energy.

4 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

The slope evaluated from the D(N)/D(MT)/(MT**1.5) distribution (denoted as D(N)/D(MT)).

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