Three-Dimensional Two-Pion Emission Source at SPS: Extraction of Source Breakup Time and Emission Duration
P. Chung, P. Danielewicz
TL;DR
This paper presents a model-independent 3D analysis of pion emission sources in Pb+Pb collisions at SPS, revealing long-range tails and enabling extraction of source breakup time and emission duration.
Contribution
It introduces a model-independent method to extract 3D source functions from heavy-ion collision data, providing new insights into emission dynamics.
Findings
Long-range non-Gaussian tails in the source function
Extraction of pion source proper breakup time
Determination of emission duration
Abstract
A model-independent, three-dimensional source function for pion pairs has been extracted from Pb+Pb collisions at AGeV. The extracted sourc e exhibits long-range non-Gaussian tails in the directions of the pion-pair net transverse-momentum and of the beam. Comparison with the Therminator model allow s for an extraction of the pion source proper breakup time and of emission durat ion in the collisions.
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