The centrality dependence of strange baryon and meson production at RHIC

Lee Barnby; Marek Bombara; TP Burton; L Gaillard; Peter Jones; John Nelson; AR Timmins; STAR Collaboration

doi:10.1088/0954-3899/35/4/044062

The centrality dependence of strange baryon and meson production at RHIC

Lee Barnby, Marek Bombara, TP Burton, L Gaillard, Peter Jones, John Nelson, AR Timmins, STAR Collaboration

Physics and Astronomy

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4 Citations (Scopus)

Abstract

We report Cu+Cu root s(NN) = 200 GeV strange baryon and meson yields which reveal that collision geometry plays a crucial role for particle production. Relative to Au+Au collisions with similar numbers of participating nucleons, <N-part >, at the same energy, central Cu+Cu collisions exhibit higher mid-rapidity integrated yields per <N-part > for the Lambda, (Lambda) over bar, K-S(0) particles. In addition, higher mid-p(T) Lambda/K-S(0) ratios are observed in Cu+Cu for the overlapping <N-part > range.

Original language	English
Pages (from-to)	044062-
Journal	Journal of Physics G: Nuclear and Particle Physics
Volume	35
Issue number	4
Early online date	18 Mar 2008
DOIs	https://doi.org/10.1088/0954-3899/35/4/044062
Publication status	Published - 1 Apr 2008

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abstract = "We report Cu+Cu root s(NN) = 200 GeV strange baryon and meson yields which reveal that collision geometry plays a crucial role for particle production. Relative to Au+Au collisions with similar numbers of participating nucleons, , at the same energy, central Cu+Cu collisions exhibit higher mid-rapidity integrated yields per for the Lambda, (Lambda) over bar, K-S(0) particles. In addition, higher mid-p(T) Lambda/K-S(0) ratios are observed in Cu+Cu for the overlapping range.",

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AU - Barnby, Lee

AU - Bombara, Marek

AU - Burton, TP

AU - Gaillard, L

AU - Jones, Peter

AU - Nelson, John

AU - Timmins, AR

AU - STAR Collaboration

PY - 2008/4/1

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N2 - We report Cu+Cu root s(NN) = 200 GeV strange baryon and meson yields which reveal that collision geometry plays a crucial role for particle production. Relative to Au+Au collisions with similar numbers of participating nucleons, , at the same energy, central Cu+Cu collisions exhibit higher mid-rapidity integrated yields per for the Lambda, (Lambda) over bar, K-S(0) particles. In addition, higher mid-p(T) Lambda/K-S(0) ratios are observed in Cu+Cu for the overlapping range.

AB - We report Cu+Cu root s(NN) = 200 GeV strange baryon and meson yields which reveal that collision geometry plays a crucial role for particle production. Relative to Au+Au collisions with similar numbers of participating nucleons, , at the same energy, central Cu+Cu collisions exhibit higher mid-rapidity integrated yields per for the Lambda, (Lambda) over bar, K-S(0) particles. In addition, higher mid-p(T) Lambda/K-S(0) ratios are observed in Cu+Cu for the overlapping range.

U2 - 10.1088/0954-3899/35/4/044062

DO - 10.1088/0954-3899/35/4/044062

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JO - Journal of Physics G: Nuclear and Particle Physics

JF - Journal of Physics G: Nuclear and Particle Physics

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The centrality dependence of strange baryon and meson production at RHIC

Abstract

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