Aspects of two-photon physics at lineare + e − colliders

Physics at High Energy Photon Photon Colliders

I review the physics prospects for high energy photon photon colliders, emphasizing results presented at the LBL Gamma Gamma Collider Workshop. Advantages and difficulties are reported for studies of QCD, the electroweak gauge sector, supersymmetry, and electroweak symmetry breaking. This work was supported by the Director, Office of Energy Research, Office of High Energy and Nuclear Physics, D...

Physics at e−e− Colliders

fermion physics at e + e − colliders. 1)

WPHACT 2.0 is the new fully massive version of a MC program and unweighted event generator which computes all Standard Model processes with four fermions in the final state at ee colliders. The program can now generate unweighted events for any subset of all four fermion final states in a single run, by making use of dedicated pre-samples which can cover the entire phase space. Improvements wit...

SPIN PHYSICS AT e+e− COLLIDERS

A large number of measurements with polarized beams and/or spin analysis of final state particles has been performed at the ee colliders LEP and SLC, providing important information on the dynamics of high energy interactions. In this paper three subjects, for which the role of spin studies was particularly relevant, will be covered: the measurements of the electroweak couplings, the study of f...

Cp Physics at E + E ? Colliders

The origin and nature of CP violation is one of the most important questions in elementary particle physics, and studies of B meson decay are expected to be the key to understanding this phenomenon. Most B meson decay results come from experiments at e + e ? colliders, and this type of facility will play a major role in elucidating CP violation. I discuss the contributions toward understanding ...