Measurement of Bose-Einstein Correlations in e+e- -> W+W- Events at LEP
L3 Collaboration
TL;DR
This paper investigates Bose-Einstein correlations in W-pair production at LEP, finding correlations within individual W decays but no evidence for correlations between different W's, providing insights into hadronization processes.
Contribution
It provides the first detailed measurement of Bose-Einstein correlations in W-pair events at LEP energies, comparing intra-W and inter-W correlations.
Findings
Bose-Einstein correlations within W decays are observed.
No evidence of correlations between different W's.
Results agree with those in light-quark Z decays.
Abstract
Bose-Einstein correlations in W-pair production at LEP are investigated in a data sample of 629 pb^-1 collected by the L3 detector at centre-of-mass energies of 189-209 GeV. Bose-Einstein correlations between pions within a W decay are observed and found to be in good agreement with those in light-quark Z decay. No evidence is found for Bose-Einstein correlations between hadrons coming from different W's in the same event.
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