Precision Physics at LEP
G. Montagna, O. Nicrosini, F. Piccinini
TL;DR
Precision Physics at LEP surveys how LEP and SLC precision measurements test the electroweak sector of the Standard Model with unprecedented accuracy. It outlines experimental approaches such as luminosity calibration via small-angle Bhabha scattering and the extraction of $Z$ resonance parameters from clean $e^+e^-$ collisions, including $M_Z$, $\Gamma_Z$, and asymmetries. The work emphasizes global fits to precision observables to constrain SM parameters like $m_t$ and the Higgs mass, and describes the LEP2 program for exploring energies above the $Z$ peak to probe for deviations indicating new physics. Collectively, these efforts validate the SM at the quantum level and provide stringent benchmarks for theories beyond the Standard Model.
Abstract
1 - Introduction 2 - Small-Angle Bhabha Scattering and the Luminosity Measurement 3 - Z^0 Physics 4 - Fits to Precision Data 5 - Physics at LEP2 6 - Conclusions