MODEL-INDEPENDENT TESTS OF LEPTON CONTACT INTERACTIONS IN BHABHA AND MØLLER SCATTERING AT A POLARIZED LINEAR COLLIDER

Author:

PANKOV ALEXANDER A.1,PAVER NELLO2

Affiliation:

1. Department of Physics, Pavel Sukhoi Technical University, October Avenue 48, 246746 Gomel, Belarus

2. Department of Theoretical Physics, University of Trieste and INFN-Sezione di Trieste, Strada Costiera 11, 34014 Miramare-Grignano (Trieste), Italy

Abstract

We discuss the sensitivity to electron-electron contact-interactions of the processes e+e- → e+e- and e-e- → e-e- at a Linear Collider running in both e+e- and e-e- modes, with both longitudinally polarized beams. We emphasize the crucial role of polarized cross section measurements in deriving model-independent constraints on the new coupling constants, and the complementarity of the two processes as regards the different chiralities involved. We assess the reach on the values of contact-couplings expected at the planned Linear Collider.

Publisher

World Scientific Pub Co Pte Lt

Subject

Astronomy and Astrophysics,Nuclear and High Energy Physics,Atomic and Molecular Physics, and Optics

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