Measurement of the WW Production Cross Section in pp Collisions at ps1:96 TeV

DO Collaboration, The and Bertram, Iain A. and Borissov, Guennadi V. and Ratoff, Peter N. and Sopczak, Andre (2005) Measurement of the WW Production Cross Section in pp Collisions at ps1:96 TeV. Physical review letters, 94 (15). p. 151801. ISSN 1079-7114

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Abstract

We present a measurement of the W boson pair-production cross section in p collisions at a center-of-mass energy of =1.96 TeV. The data, collected with the Run II D0 detector at Fermilab, correspond to an integrated luminosity of 224–252 pb-1 depending on the final state (ee, eµ, or µµ). We observe 25 candidates with a background expectation of 8.1±0.6(stat)±0.6(syst)±0.5(lum) events. The probability for an upward fluctuation of the background to produce the observed signal is 2.3×10-7, equivalent to 5.2 standard deviations. The measurement yields a cross section of 13.8(stat)(syst)±0.9(lum) pb, in agreement with predictions from the standard model.

Item Type: Journal Article
Journal or Publication Title: Physical review letters
Additional Information: Author list is partial - see original article for full author list.
Uncontrolled Keywords: /dk/atira/pure/researchoutput/libraryofcongress/qc
Subjects:
Departments: Faculty of Science and Technology > Physics
ID Code: 81995
Deposited By: ep_importer_pure
Deposited On: 08 Oct 2016 00:06
Refereed?: Yes
Published?: Published
Last Modified: 01 Jan 2020 05:56
URI: https://eprints.lancs.ac.uk/id/eprint/81995

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