Abstract
The analysis of Bose-Einstein correlations for systems of two and three low-momentum pions in interactions of Au+Au and Nb+Nb at 650 A MeV kinetic energy are presented. The data were taken with the Plastic Ball spectrometer. The pion-emitting source sizes obtained from specific three-pion correlations are significantly smaller than those extracted from two-pion correlations. The dependence of the source parameters on the multiplicity of produced pions was examined. The low-p t pions are emitted from a larger region than the high-p t ones.
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Bock, R., Doss, K.G.R., Gutbrod, H.H. et al. Source parameters deduced from Bose-Einstein correlations of two and three soft pions in symmetric heavy-ion interactions at 650 A MeV. Z. Physik A - Atomic Nuclei 333, 193–202 (1989). https://doi.org/10.1007/BF01565150
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DOI: https://doi.org/10.1007/BF01565150