Study of Bose-Einstein correlations in e+e- -> W+W- events at LEP

Abbiendi, G and Ainsley, C and Akesson, P F and Alexander, G and Allison, J and Amaral, P and Anagnostou, G and Anderson, K J and Asai, S and Axen, D and Azuelos, G and Bailey, I and Barberio, E and Barillari, T and Barlow, R J and Batley, R J and Bechtle, P and Behnke, T and Bell, K W and Bell, P J and Bella, G and Bellerive, A and Benelli, G and Bethke, S and Biebel, O and Boeriu, O and Bock, P and Boutemeur, M and Braibant, S and Brigliadori, L and Brown, R M and Buesser, K and Burckhart, H J and Campana, S and Carnegie, R K and Carter, A A and Carter, J R and Chang, C Y and Charlton, D G and Ciocca, C and Csilling, A and Cuffiani, M and Dado, S and De Roeck, A and De Wolf, E A and Desch, K and Dienes, B and Donkers, M and Dubbert, J and Duchovni, E (2004) Study of Bose-Einstein correlations in e+e- -> W+W- events at LEP. European Physical Journal C: Particles and Fields, 36 (3). pp. 297-308. ISSN 1434-6044

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Bose-Einstein correlations between like-sign charged-particle pairs in e(+)e(-) --> W+ W- events recorded with the OPAL detector at LEP at centre-of-mass energies between 183 GeV and 209 GeV are studied. Recently proposed methods which allow direct searches for correlations in the data via distributions of test variables are used to investigate the presence of correlations between hadrons originating from different W bosons in W+W- --> q (q) over barq (q) over bar events. Within the statistics of the data sample no evidence for inter - WW Bose-Einstein correlations is obtained. The data are also compared with predictions of a recent implementation of Bose-Einstein correlation effects in the Monte Carlo model PYTHIA.

Item Type:
Journal Article
Journal or Publication Title:
European Physical Journal C: Particles and Fields
Uncontrolled Keywords:
?? strip microvertex detectore(+)e(-)physicsdecaysgenerationphysicsphysics and astronomy (miscellaneous)engineering (miscellaneous) ??
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Deposited On:
09 Mar 2012 03:00
Last Modified:
15 Jul 2024 12:36