dorsal/arxiv
View SchemaStrange Antibaryon Production Data and Reduction of Strangeness Suppression in Sulphur-Nucleus Collisions at 200A GeV
| Authors | Sa Ben-Hao, Tai An |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/9804003 |
| URL | https://arxiv.org/abs/nucl-th/9804003 |
| DOI | 10.1016/S0370-2693(97)00274-8 |
| Journal | Phys.Lett. B399 (1997) 29 |
Abstract
We have used the event generator LUCIAE to analyse NA35 data of the $\bar p$ and $\bar{\Lambda}$ yields, the ratio $\bar{\Lambda}/\bar p$, and the transverse mass distributions of $\bar p$ and $\bar{\Lambda}$ in pp and central sulphur-nucleus collisions at 200A GeV. The NA35 data could be reproduced reasonably if one assumes that the s quark pair suppression factor and concerns in nucleus-nucleus collisions are larger than the nucleon-nucleon collision. It seems to indicate that NA35 data might imply the reduction of strangeness suppression in ultrarelativistic nucleus-nucleus collisions comparing to the nucleon-nucleon collision at the same energy. However, the ratio $\bar{\Lambda}/\bar p$ approaching to unity in AA collisions comparing to the pp collision does not necessarily mean a flavor symmetry since hadronic rescattering plays a role as well.
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"abstract": "We have used the event generator LUCIAE to analyse NA35 data of the $\\bar p$\nand $\\bar{\\Lambda}$ yields, the ratio $\\bar{\\Lambda}/\\bar p$, and the\ntransverse mass distributions of $\\bar p$ and $\\bar{\\Lambda}$ in pp and central\nsulphur-nucleus collisions at 200A GeV. The NA35 data could be reproduced\nreasonably if one assumes that the s quark pair suppression factor and concerns\nin nucleus-nucleus collisions are larger than the nucleon-nucleon collision. It\nseems to indicate that NA35 data might imply the reduction of strangeness\nsuppression in ultrarelativistic nucleus-nucleus collisions comparing to the\nnucleon-nucleon collision at the same energy. However, the ratio\n$\\bar{\\Lambda}/\\bar p$ approaching to unity in AA collisions comparing to the\npp collision does not necessarily mean a flavor symmetry since hadronic\nrescattering plays a role as well.",
"arxiv_id": "nucl-th/9804003",
"authors": [
"Sa Ben-Hao",
"Tai An"
],
"categories": [
"nucl-th"
],
"doi": "10.1016/S0370-2693(97)00274-8",
"journal_ref": "Phys.Lett. B399 (1997) 29",
"title": "Strange Antibaryon Production Data and Reduction of Strangeness Suppression in Sulphur-Nucleus Collisions at 200A GeV",
"url": "https://arxiv.org/abs/nucl-th/9804003"
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