Distinguishing new physics scenarios with polarized electron and positron beams

Abstract

Contactlike nonstandard interactions can be revealed only through deviations of observables from the standard model predictions. We consider a number of such nonstandard scenarios, and discuss their identification as sources of deviations in fermion-pair production processes at the International Linear Collider, if they were observed. We emphasize the role of e^- and e^+ polarization in enhancing the identification reaches.

Comments: LaTex, 6 pages, 2 tables, 2 eps figures, Talk given at the International Linear Collider Workshop LCWS06, Bangalore, India, 9-13 March, 2006