The high-Q^2 Hera anomaly and supersymmetric unification

Physics – High Energy Physics – High Energy Physics - Phenomenology

Scientific paper

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4 pages, no figures. References and footnote added, misprints corrected

Scientific paper

10.1016/S0370-2693(97)00701-6

We discuss an initial condition on the superpotential couplings of an SU(5) theory which allows the R-violating term L d^c Q but avoids the simultaneous presence of L L e^c + d^c d^c u^c. This same condition keeps under control the products of pairs of different couplings lambda_{ijk} L_i d^c_j Q_k, which are more strongly constrained by flavour-changing-neutral-current limits. In our view, this observation makes relatively more plausible the interpretation of the high-Q^2 Hera anomaly, if real, as caused by squark production.

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