Qi-Shu Yan
Abstract
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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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 $S^{EXP}(1\\textrm{TeV})$.
Key concepts: Electroweak interaction, Lagrangian, Physics, Computer science, Particle physics, Theoretical physics