Bose-Einstein correlations in W-pair decays with an event-mixing technique

Schael, S;Delaere, Christophe;Lemaitre, Vincent;et.al.
(2005) PHYSICS LETTERS B — Vol. 606, n° 3-4, p. 265-275 (2005)

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Abstract
Bose-Einstein correlations in W-pair decays are studied using data collected by the ALEPH detector at LEP at e(+)e(-) centre-of-mass energies from 183 to 209 GeV. The analysis is based on the comparison of WW --> q (q) over barq (q) over bar events to "mixed" events constructed with the hadronic part of WW --> q (q) over bar lv events. The data are in agreement with the hypothesis that Bose-Einstein correlations are present only for pions from the same W decay. The JETSET model with Bose-Einstein correlations between pions from different W bosons is disfavoured. (C) 2004 Elsevier B.V. All rights reserved.
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Schael, S., Delaere, C., Lemaitre, V., & et al. (2005). Bose-Einstein correlations in W-pair decays with an event-mixing technique. PHYSICS LETTERS B, 606(3-4), 265-275. https://doi.org/10.1016/j.physletb.2004.12.018 (Original work published 2005)