The high-Q2 Hera anomaly and supersymmetric unification
Abstract
We discuss an initial condition on the superpotential couplings of an SU(5) theory which allows the R-violating term L dc Q but avoids the simultaneous presence of L L ec + dc dc uc. This same condition keeps under control the products of pairs of different couplings lambdaijk Li dcj Qk, 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-Q2 Hera anomaly, if real, as caused by squark production.
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