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Two-particle correlations in p p, anti-p anti-p and K0(S) K0(S) pairs from hadronic Z decays

Research output: Contribution to journalJournal article


Journal publication date31/03/2005
JournalPhysics Letters B
Number of pages15
Original languageEnglish


Two-particle correlations in pp, and pairs have been studied in hadronic Z decays recorded at LEP with the ALEPH detector. The correlations were measured as a function of the four-momentum difference Q of the pair. For pp, pairs a depletion of events is observed in the region Q<3 GeV, and for pairs an enhancement of events is observed in the region Q<0.5 GeV. These features are consistent with expectations from Fermi–Dirac and Bose–Einstein statistics, respectively.