Azimuthal Anisotropy of KS0 and Λ+Λ¯ Production at Midrapidity from Au+Au Collisions at sNN=130GeV

C. Adler et al. (STAR Collaboration)
Phys. Rev. Lett. 89, 132301 – Published 9 September 2002; Erratum Phys. Rev. Lett. 127, 089901 (2021)

Abstract

We report STAR results on the azimuthal anisotropy parameter v2 for strange particles KS0, Λ, and Λ¯ at midrapidity in Au+Au collisions at sNN=130GeV at the Relativistic Heavy Ion Collider. The value of v2 as a function of transverse momentum, pt, of the produced particle and collision centrality is presented for both particles up to pt3.0GeV/c. A strong pt dependence in v2 is observed up to 2.0GeV/c. The v2 measurement is compared with hydrodynamic model calculations. The physics implications of the pt integrated v2 magnitude as a function of particle mass are also discussed.

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  • Received 13 May 2002

DOI:https://doi.org/10.1103/PhysRevLett.89.132301

©2002 American Physical Society

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Vol. 89, Iss. 13 — 23 September 2002

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