CERN Accelerating science

Article
Report number	nucl-ex/0511020
Title	First measurement of the strange particles $R_{CP}$ nuclear modification factors in heavy-ion collisions at the SPS
Related title	First measurement of the strange particles $R_{CP}$ nuclear modification factors in heavy-ion collisions at the SPS.
Author(s)	Bruno, G.E. (Bari U. ; INFN, Bari) ; Dainese, A. (Padua U. ; INFN, Padua)
Affiliation	(for the NA)
Collaboration	NA57 Collaboration
Publication	2005
Imprint	8 Nov 2005
Number of pages	4
Note	Manuscript not submitted to the proceedings
In:	Acta Physica Acad. Sci. Hung. A 27 (2006) 209-212
In:	18th International Conference on Ultra-Relativistic Nucleus-Nucleus Collisions, Budapest, Hungary, 4 - 9 Aug 2005, pp.209-212
DOI	10.1556/APH.27.2006.2-3.7
Subject category	Nuclear Physics - Experiment
Accelerator/Facility, Experiment	CERN SPS ; NA57
Abstract	The NA57 experiment has measured the $p_{T}$ distributions of $K_{s}^{0}$, $\Lambda$, and $\bar{\Lambda}$ particles in fixed-target Pb-Pb interactions at $\sqrt{s_{NN}}$=17.3 GeV as a function of the collision centrality. In this paper we study the central-to-peripheral nuclear modification factors and compare them to other measurements and to theoretical predictions.

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