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Scientific article
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English

Production of single W bosons at LEP

ContributorsL3 Collaboration
Published inPhysics Letters. B, vol. 403, p. 168-176
Publication date1997
Abstract

We report on the observation of single W boson production in a data sample collected by the L3 detector at LEP2. The signal consists of large missing energy final states with a single energetic lepton or two hadronic jets. The cross-section is measured to be 0.61−0.33+0.43 ± 0.05 pb at the centre of mass energy √s = 172 GeV, consistent with the Standard Model expectation. From this measurement the following limits on the anomalo γWW gauge couplingsare derived at 95% CL: −3.6 < Δκγ < 1.5 and −3.6 < λγ < 3.6.

Citation (ISO format)
L3 Collaboration. Production of single W bosons at LEP. In: Physics Letters. B, 1997, vol. 403, p. 168–176. doi: 10.1016/S0370-2693(97)00527-3
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ISSN of the journal0370-2693
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