Leptoquarks and vector-like strong interactions at the TeV scale

Abstract

In a vector-like extension of the minimal standard model with mirror fermions leptoquarks can be bound states of fermion-mirror-fermion pairs held together by a new strong interaction at the TeV scale. The small couplings of leptoquarks to light fermion pairs arise due to mixing. The large $Q^2$ event excess at HERA and also the high $E_T$ jet excess at Tevatron can potentially be explained.

latex, 8 pages, 1 figure with epsfig. Revised version to be published, including a few clarifying remarks

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