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Bose-Einstein Correlations in W+W− events at LEP2

Research output: Contribution to journalJournal article


<mark>Journal publication date</mark>10/2005
<mark>Journal</mark>European Physical Journal C: Particles and Fields
Issue number2
Number of pages14
Pages (from-to)161-174
<mark>Original language</mark>English


Bose-Einstein correlations (BEC) between final state particles in the reaction e+e− → W+W− → q1q2q3q4 have been studied. Data corresponding to a total integrated luminosity of 550 pb−1, recorded by the DELPHI detector at centre-of-mass energies ranging from 189 to 209 GeV, were analysed. An indication for inter-W BEC between like-sign particles has been found at the level of 2.4 standard deviations of the combined statistical and systematic uncertainties.

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