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Pion interferometry in Au+Au collisions at $\sqrt{\mathrm{s}_{_{\mathrm{NN}}}}$ = 200 GeV

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arxiv nucl-ex/0411036 v2 pith:O7WHC4XY submitted 2004-11-18 nucl-ex

STAR Collaboration This is my paper · ORCID
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keywords collisionsinterferometrymathrmsourcesqrtstudiedanalysisangle
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abstract

We present a systematic analysis of two-pion interferometry in Au+Au collisions at $\sqrt{s_{NN}}$ = 200 GeV using the STAR detector at RHIC. We extract the HBT radii and study their multiplicity, transverse momentum, and azimuthal angle dependence. The Gaussianess of the correlation function is studied. Estimates of the geometrical and dynamical structure of the freeze-out source are extracted by fits with blast wave parameterizations. The expansion of the source and its relation with the initial energy density distribution is studied.

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Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Tilted geometry of the pion emission source in Au+Au collisions in the RHIC Beam Energy Scan

    nucl-ex 2026-05 unverdicted novelty 7.0 of 10

    The pion emission source in Au+Au collisions is tilted with magnitude decreasing rapidly as collision energy rises from 7.7 to 27 GeV, indicating departure from longitudinal boost invariance.

  2. Relaxation Kernel, Spectral Dissipation, and Global Convergence of Blahut--Arimoto Dynamics

    cs.IT 2026-04 unverdicted novelty 7.0 of 10

    The Blahut-Arimoto dynamics converges globally to nondegenerate stationary states because its free-energy decrease is controlled by a relaxation kernel that equals the Fisher-Rao Hessian and produces local spectral co...

  3. A self-consistent calculation of non-spherical Bose-Einstein correlation functions with Coulomb final-state interaction

    nucl-th 2026-01 unverdicted novelty 6.0 of 10

    The authors generalize their prior spherical-source method to non-spherical sources with a self-consistent treatment of Coulomb interactions and provide software for three-dimensional correlation functions.

  4. Femtoscopy Measurement with S$\pi$RIT TPC in Radioactive BeamHeavy-ion Collisions

    physics.ins-det 2026-07 conditional novelty 5.0 of 10

    A first proton-proton femtoscopy correlation function measured with the SπRIT TPC in 132Sn+124Sn collisions at 270 MeV/u shows the expected attractive-interaction peak near 20 MeV/c.

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