Three-dimensional two-pion emission source at SPS: Extraction of source breakup time and emission duration |
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| Authors: | P Chung P Danielewicz |
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| Institution: | (1) Department of Chemistry, Stony Brook University (SUNYSB), New York, USA;(2) National Superconducting Cyclotron Laboratory and Department of Physics and Astronomy, Michigan State University, East Lansing, USA |
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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.
(for the NA49 Collaboration)
The text was submitted by the authors in English. |
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| Keywords: | |
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