The elliptic flow of multi-strange hadrons in = 200 GeV Au + Au collisions at STAR

ZHANG Xiaoping (张小平) (for the STAR Collaboration)

doi:10.1088/1009-0630/14/6/02

Plasma Science and Technology > 2012 > 14(6): 449-451. > DOI: 10.1088/1009-0630/14/6/02

ZHANG Xiaoping (张小平) (for the STAR Collaboration). The elliptic flow of multi-strange hadrons in = 200 GeV Au + Au collisions at STAR[J]. Plasma Science and Technology, 2012, 14(6): 449-451. DOI: 10.1088/1009-0630/14/6/02

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The elliptic flow of multi-strange hadrons in = 200 GeV Au + Au collisions at STAR

ZHANG Xiaoping (张小平) (for the STAR Collaboration)(ZHANG Xiaoping (张小平) (for the STAR Collaboration))

Department of Engineering Physics, Tsinghua University, Beijing 100084, China 2 .Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA

Funds: supported by National Natural Science Foundation of China (No. 10905029), by China Postdoctoral Science Foundation (Grant No. 20100480017), and by the U.S. Department of Energy under Contract No. DE-AC03-76SF00098

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Received Date: May 16, 2011

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Abstract

Abstract

Azimuthal anisotropy, especially for the multi-strange hadrons, is expected to be sensitive to the dynamical evolution in the early stage of high energy nuclear collisions. In this paper we present the latest results of multi-strange hadron elliptic flow in Au + Au collisions at = 200 GeV from the STAR experiment at RHIC. The number-of-quark scaling is evidenced with and with high statistics data, which shows strange quark collectivity at RHIC. The of meson is found to be consistent with that of proton within statistical error bars at GeV/c.
- elliptic flow,
- multi-strange hadrons,
- number of quark scaling,
- mass ordering

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