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Scaling Properties of Hyperon Production in Au+Au Collisions at √sNN =200 GeV (CROSBI ID 210358)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Adams, J. ; ... ; Planinić, Mirko ; ... ; Poljak, Nikola ; ... ; Zuo, J.X. Scaling Properties of Hyperon Production in Au+Au Collisions at √sNN =200 GeV // Physical review letters, 98 (2007), 62301-1-62301-7. doi: 10.1103/PhysRevLett.98.062301

Podaci o odgovornosti

Adams, J. ; ... ; Planinić, Mirko ; ... ; Poljak, Nikola ; ... ; Zuo, J.X.

engleski

Scaling Properties of Hyperon Production in Au+Au Collisions at √sNN =200 GeV

We present the scaling properties of Λ, Ξ, and Ω in midrapidity Au+Au collisions at the Brookhaven National Laboratory Relativistic Heavy Ion Collider at sNN‾‾‾‾√=200  GeV. The yield of multistrange baryons per participant nucleon increases from peripheral to central collisions more rapidly than that of Λ, indicating an increase of the strange-quark density of the matter produced. The strange phase- space occupancy factor γs approaches unity for the most central collisions. Moreover, the nuclear modification factors of p, Λ, and Ξ are consistent with each other for 2<pT<5  GeV/c in agreement with a scenario of hadron formation from constituent quark degrees of freedom.

scaling; hyperon; STAR

STAR Collaboration.

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Podaci o izdanju

98

2007.

62301-1-62301-7

objavljeno

0031-9007

10.1103/PhysRevLett.98.062301

Povezanost rada

Fizika

Poveznice
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