Pion Interferometry in Au+Au and Cu+Cu Collisions at RHIC

The STAR collaboration
Phys.Rev.C 80 (2009) 024905, 2009.

Abstract (data abstract)
We present a systematic analysis of two-pion interferometry in Au+Au collisions at sqrt(sNN) = 62.4 GeV and Cu+Cu collisions at sqrt(sNN) = 62.4 and 200 GeV using the STAR detector at RHIC. The multiplicity and transverse momentum dependences of the extracted correlation lengths (radii) are studied. The scaling with charged particle multiplicity of the apparent system volume at final interaction is studied for the RHIC energy domain. The multiplicity scaling of the measured correlation radii is found to be independent of colliding system and collision energy.

  • Figure 1

    10.17182/hepdata.97124.v1/t1

    HBT parameters for all centralities of 62.4 GeV Au+Au

  • Figure 2

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    HBT parameters for 200 and 62.4 GeV Au+Au, 0-5%

  • Figure 3

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    Energy dependence of the pi- HBT parameters for central Au+Au, Pb+Pb, and Pb+Au collisions (AGS,SPS and RHIC) at midrapidity and...

  • Figure 4

    10.17182/hepdata.97124.v1/t4

    HBT parameters for all centralities in 62.4 GeV Cu+Cu.

  • Figure 5

    10.17182/hepdata.97124.v1/t5

    HBT parameters for all centralities in 200 GeV Cu+Cu.

  • Figure 6

    10.17182/hepdata.97124.v1/t6

    HBT parameters for 200 GeV Au+Au, 0-5% and Cu+Cu, 0-10%

  • Figure 7

    10.17182/hepdata.97124.v1/t7

    HBT parameters for 200 GeV and 62.4 GeV Cu+Cu, 0-10% and 62.4 GeV Au+Au, 0-5%

  • Figure 8

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    HBT radii for radii ratios in 200 GeV and 62.4 GeV Cu+Cu, 0-10% and 200 GeV & 62.4 GeV Au+Au,...

  • Figure 9

    10.17182/hepdata.97124.v1/t9

    Energy dependence of the pi- HBT Radii for Volume estimate (Rside*Rside*Rlong) in central Au+Au, Pb+Pb, and Pb+Au collisions (AGS,SPS and...

  • Figure 10

    10.17182/hepdata.97124.v1/t10

    HBT Radii for Volume estimate(Rside*Rside*Rlong & Rout*Rout*Rlong) comparisons for 200 GeV and 62.4 GeV Au+Au with Npart and dNch/deta. Note...

  • Figure 11

    10.17182/hepdata.97124.v1/t11

    HBT Radii for Volume estimate(Rside*Rside*Rlong & Rout*Rout*Rlong) comparisons for 200 GeV and 62.4 GeV Au+Au & Cu+Cu with dNch/deta. Note...

  • Figure 12

    10.17182/hepdata.97124.v1/t12

    HBT radii comparisons for 200 GeV and 62.4 GeV Au+Au & Cu+Cu with dNch/deta1/3

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