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First run II measurement of the W boson mass at the Fermilab Tevatron

CollaborationWith : Clark, Allan Geoffrey / Hamilton, Andrew / Lefevre, Régis / Moed, Shulamit / Sfyrla, Anna / Shreyber, Irina / Vallecorsa, Sofia / Wu, Xin
Published in Physical Review. D. 2008, vol. 77, no. 11, p. 112001
Abstract We describe a measurement of the W boson mass mW using 200  pb−1 of s√=1.96  TeV pp collision data taken with the CDF II detector. With a sample of 63 964 W→eν candidates and 51 128 W→μν candidates, we measure mW=[80.413±0.034(stat)±0.034(sys)=80.413±0.048]  GeV/c2. This is the single most precise mW measurement to date. When combined with other measured electroweak parameters, this result further constrains the properties of new unobserved particles coupling to W and Z bosons.
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CDF COLLABORATION. First run II measurement of the W boson mass at the Fermilab Tevatron. In: Physical Review. D, 2008, vol. 77, n° 11, p. 112001. https://archive-ouverte.unige.ch/unige:38495

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Deposited on : 2014-07-07

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