Elsevier, Physics Letters B, 3-4(540), p. 185-198, 2002
DOI: 10.1016/s0370-2693(02)02142-1
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We measure three-particle Bose-Einstein correlations in hadronic Z decay with the L3 detector at LEP. Genuine three-particle Bose-Einstein correlations are observed. By comparing two- and three-particle correlations we find that the data are consistent with fully incoherent pion production.