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Identified particle production, azimuthal anisotropy, and interferometry measurements in Au+Au collisions at sNN=9.2 GeV

Identified particle production, azimuthal anisotropy, and interferometry measurements in Au+Au collisions at sNN=9.2 GeV,10.1103/PhysRevC.81.024911,Ph

Identified particle production, azimuthal anisotropy, and interferometry measurements in Au+Au collisions at sNN=9.2 GeV   (Citations: 1)
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B. I. Abelev, M. M. Aggarwal, Z. Ahammed, A. V. Alakhverdyants, B. D. Anderson, D. Arkhipkin, G. S. Averichev, J. Balewski, O. Barannikova, L. S. Barnby, S. Baumgart, D. R. Beavishttp://academic.research.microsoft.com/io.ashx?type=5&id=19089844&selfId1=0&selfId2=0&maxNumber=12&query=
We present the first measurements of identified hadron production, azimuthal anisotropy, and pion interferometry from Au+Au collisions below the nominal injection energy at the BNL Relativistic Heavy-Ion Collider (RHIC) facility. The data were collected using the large acceptance solenoidal tracker at RHIC (STAR) detector at sNN=9.2 GeV from a test run of the collider in the year 2008. Midrapidity results on multiplicity density dN/dy in rapidity y, average transverse momentum <pT>, particle ratios, elliptic flow, and Hanbury-Brown-Twiss (HBT) radii are consistent with the corresponding results at similar sNN from fixed-target experiments. Directed flow measurements are presented for both midrapidity and forward-rapidity regions. Furthermore the collision centrality dependence of identified particle dN/dy, <pT>, and particle ratios are discussed. These results also demonstrate that the capabilities of the STAR detector, although optimized for sNN=200 GeV, are suitable for the proposed QCD critical-point search and exploration of the QCD phase diagram at RHIC.
Journal: Physical Review C - PHYS REV C , vol. 81, no. 2, 2010
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