Initial conditions, time evolution and BE correlations in e+e- annihilation
T. Nov\'ak, T. Cs\"org\~o, W. Kittel, W.J. Metzger, for L3, Collaboration
TL;DR
This paper analyzes Bose-Einstein correlations of identical charged pions in Z decays, using the tau-model with a Lévý distribution to describe the source function and reconstruct the particle emission process.
Contribution
It introduces the tau-model with a one-sided Lévy distribution to effectively describe BEC in e+e- annihilation and reconstruct the source function.
Findings
The tau-model fits the BEC data well.
The source function can be reconstructed from the model.
The approach provides insights into the space-time structure of particle emission.
Abstract
Bose-Einstein correlations of identical charged-pion pairs produced in hadronic Z decays are analyzed in terms of various parametrizations. The tau-model with a one-sided L\'evy proper-time distribution provides a good description, enabling the source function to be reconstructed.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Cosmology and Gravitation Theories · High-Energy Particle Collisions Research