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arxiv: hep-ph/0703189 · v1 · submitted 2007-03-18 · ✦ hep-ph

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Constrained Electroweak Chiral Lagrangian

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classification ✦ hep-ph
keywords chiraldataelectroweaklagrangianallowanalysisconstrainedewcl
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We update the uncertainty analysis on $S$ parameter of the electroweak chiral Lagrangian (EWCL) by including the LEP-II W pair production data. We find that experimental data still allow a positive $S^{EXP}(1\textrm{TeV})$.

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