Optimal polarized observables for model-independent new physics searches at the linear collider
Abstract
We discuss the sensitivity to four-fermion contact interactions of the process of fermion-pair production at the e+ - e- Linear Collider (LC), with ECM=0.5 TeV and longitudinally polarized electron beam. The analysis is based on polarized integrated cross sections with optimal cuts. Beam polarization and optimization are shown to have a crucial role in the derivation of model-independent constraints on the new interactions from the data.
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