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Three-dimensional two-pion emission source at SPS: Extraction of source breakup time and emission duration

  • Elementary Particles and Fields
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Abstract

A model-independent, three-dimensional source function for pion pairs has been extracted from Pb + Pb collisions at √s NN = 17.3 GeV. The extracted source exhibits long-range non-Gaussian tails in the directions of the pion-pair net transverse momentum and of the beam. Comparison with the Therminatormodel allows for an extraction of the pion source proper breakup time and of emission duration in the collisions.

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Author information

Authors and Affiliations

  1. Department of Chemistry, Stony Brook University (SUNYSB), New York, USA

    P. Chung

  2. National Superconducting Cyclotron Laboratory and Department of Physics and Astronomy, Michigan State University, East Lansing, USA

    P. Danielewicz

Authors
  1. P. Chung
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  2. P. Danielewicz
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Correspondence to P. Chung.

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(for the NA49 Collaboration)

The text was submitted by the authors in English.

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Chung, P., Danielewicz, P. Three-dimensional two-pion emission source at SPS: Extraction of source breakup time and emission duration. Phys. Atom. Nuclei 71, 1552–1557 (2008). https://doi.org/10.1134/S1063778808090093

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  • DOI: https://doi.org/10.1134/S1063778808090093

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