DOI 10.1007/s100529901052
Hunting for contact interactions at HERA with polarized lepton and proton beams
J.-M. Virey1,2
1 Centre de Physique Théorique, C.N.R.S. - Luminy,
Case 907,
F-13288 Marseille Cedex 9, France
2 Université de Provence, Marseille, France (e-mail: Virey@cpt.univ-mrs.fr)
Received: 8 September 1998 / Published online: 22 March 1999
Abstract
We explore the discovery and analysis potentials of the
HERA collider, with and without
polarized beams, searching for electron-quark
contact interactions in the neutral current channel.
We find that the sensitivity to contact interactions when both beams
are polarized is similar to the unpolarized case, and
is better than in the case where one has only lepton polarization.
We emphasize that the measurement of
spin asymmetries in such a polarized context could give some crucial information
on the chiral structure of these postulated new interactions.
The experimental conditions are carefully taken into account.
Copyright Springer-Verlag
