Physics possibilities at a linear collider

ALFRED BARTL and STEFAN HESSELBACH

Institut fÄur Theoretische Physik, UniversitÄat Wien, Boltzmanngasse 5, A-1090 Vienna,Austria

E-mail: bartl@ap.univie.ac.at

Abstract. We review some recent studies about the parameter determination of top

quarks, W bosons, Higgs bosons, supersymmetric particles and in the ADD model of

extra dimensions at a linear collider.

Keywords. Linear collider; standard model; extensions of standard model.

PACS Nos 13.66.Fg; 13.66.Hk; 13.66.Jn; 14.65.Ha; 14.80.Ly