Abstract
The role of the parameter λ in pion interferometry, thecorrelation strength, is investigated. The relations between the extracted values for λ and the radii are emphasized and illustrated by a compilation of published data. It is shown that radii from interferometry measurements can often not be interpreted independently from λ. The validity of quantitative radius estimates based on the freeze-out picture is discussed. From pion interferometry data at target rapidity in 200A GeV16O+Au collisions an effective rescattering cross section for soft pions of σ≈11 mb is extracted.
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Peitzmann, T. The correlation strength in pion interferometry. Z. Phys. C - Particles and Fields 55, 485–489 (1992). https://doi.org/10.1007/BF01565110
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DOI: https://doi.org/10.1007/BF01565110