Article

# Leptoquark explanation of HERA anomaly in the context of gauge unification

Institute of Theoretical Science, University of Oregon, Eugene, OR 97403, USA
Physics Letters B DOI:10.1016/S0370-2693(98)00198-1 pp.313-321

ABSTRACT We examine the consequences of leptoquark explanation of HERA anomaly in the context of R parity conserving supersymmetric gauge unified theory with the gauge unification scale at ∼1016 GeV. We pointed out the difficulty of constructing a grandunified theory. However gauge coupling unification is still possible at ∼1016 GeV when additional multiplets are introduced. We determine the mass spectrum of these additional fields (fermions and scalars) in gauge mediated and supergravity scenarios. Unique signatures and mass bounds are discussed.

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### Keywords

gauge unification scale

grandunified theory

HERA anomaly

leptoquark explanation

mass bounds

mass spectrum

R parity conserving supersymmetric gauge unified theory

supergravity scenarios