No abstract available

[en] The success of the standard model is highlighted by recent experimental results, with emphasis on the neutral current sector. Future prospects and refined tests are discussed

[en] These lectures try to explain to theoretical students what some of the LEP measurements are about. The author will concentrate on the Electroweak measurements. The plan of these lectures will be as follows: first , to summarize what was actually known before LEP started. Then, to describe LEP and the four experiments. A more detailed description of the apparently simple measurement of hadronic cross-sections will follow, as it provided the early and important results on the Z mass and width and on the number of neutrinos. A detour by the beam energy measurements will be made. Helicity plays a very important role in LEP physics, providing the source of forward-backward and polarization asymmetries, and will be described next. Finally the electroweak measurements will be summarized by a discussion of electroweak radiative effects and what can data tell us about them. 95 refs., 36 figs., 12 tabs

[en] The ratio Rsub(ν) of neutral to charged current cross-sections of neutrinos in iron is presentely being measured at CERN-SPS in the upgraded CDHSW detector exposed to a dedicated version of the 160 GeV Narrow Band Beam. From the increase in statistics and the improvement of systematics we expect a final experimental precision of Δsin²thetasub(W) = .005, matching the theoretical uncertainties, allowing stringent tests of coherence of the Standard Model

[en] Neutrinos have mass and they mix, this is a 'new force' beyond the standard model that could also generate proton decay and the baryon asymmetry of the universe. A neutrino factory complex and in a preliminary step a high intensity super-beam would offer the possibility to discover leptonic CP violation and to measure the mass and mixing properties of neutrinos very precisely. This series of slides is divided into 4 parts: -) neutrino factory overview, -) low energy neutrino super-beams and beta-beams (through the decay of ⁶He⁺H⁺ or ¹⁸Ne), -) neutrino factory studies, and -) new developments: EMCOD (European muon cooperation and oversight group), MICE (muon ionization cooling experiment), and ring cooler

[en] Published in summary form only

[en] A combined knowledge of the Z mass, the W mass and the fermion couplings to the Z will be obtained in the LEP with unprecedented accuracy, providing information about physics beyond our energy scale. The question of the feasibility in LEP of longitudinally polarized beams, which are essential for accurate measurements of the couplings at Z, is briefly considered. 37 refs., 13 figs., 7 tabs. (author)

[en] 46 opposite sign and 7 like-sign dimuon events have been selected in Gargamelle by means of the external muon identifier, in a sample of 19,000 charged current induced neutrino events. Preliminary results concerning rate and number of strange particles are presented. An upper limit to the life-time of charmed particles is also given. (author)

[en] Determinations of the Standard Electroweak Model parameters are now available from complementary sources with a precision sufficient to be sensitive to electroweak radiative corrections. They permit an estimation of sin² θ_w, ρ, Δr, and the setting of limits in particular on the mass of the top quark. The present value of Standard Model parameters is somewhat in disagreement with the minimal SU(5) prediction. In the near future, dramatic improvement should come from precision measurements at the SLC and LEP, for which the availability of longitudinal polarization at the Z pole is shown to be essential

[en] Muon storage rings are reviewed in an introductory manner. The physics opportunities are exciting. The technical difficulties are considerable, but can be spread over three step scenario. First a neutrino factory would make definitive experiments on neutrino oscillations; then several generations of precision muon colliders could explore the spectrum of particles associated with electroweak symmetry breaking or supersymmetry; finally high energy lepton collisions could be envisaged. (author)