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W pair production cross-section and W branching fractions in e + e - interactions at 189 GeV
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SYSNO ASEP 0133228 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Ostatní články Title W pair production cross-section and W branching fractions in e + e - interactions at 189 GeV Author(s) Abreu, P. (PT)
Adam, W. (AT)
Adye, T. (GB)
Doroba, K. (PL)
Mašík, Jiří (FZU-D)
Rameš, Jiří (FZU-D) RID, ORCID
Řídký, Jan (FZU-D) RID, ORCID
Vrba, Václav (FZU-D) RID, ORCID
Zoller, P. (FR)
Zumerle, G. (IT)Source Title Physics Letters. B. - : Elsevier - ISSN 0370-2693
Roč. 479, - (2000), s. 89-100Number of pages 12 s. Language eng - English Country NL - Netherlands Subject RIV BF - Elementary Particles and High Energy Physics R&D Projects GA202/99/1362 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z1010920 - FZU-D Annotation The cross-section for the process e+e- ->W+W- has been measured with the data sample collected by DELPHI at an average centre-of-mass energy of 189 GeV and corresponding to an integrated luminosity of 155 pb(-1). Based on the 2392 events selected as WW candidates, the cross-section for the doubly resonant process e+e- -> W+W- has been measured to be 15.83(+)(-)0.38(stat)(+)(-)0.20(syst)pb. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2002
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