Impact on SUSY-Breaking Models of the $R$-Parity Violating Squark Interpretation of the HERA Anomaly

Details Impact on SUSY-Breaking Models of the $R$-Parity Violating Squark Interpretation of the HERA Anomaly Impact on SUSY-Breaking Models of the $R$-Parity Violating Squark Interpretation of the HERA Anomaly

1997-08-12

arxiv.org/abs/hep-ph/9708330v2

Phys.Rev. D58 (1998) 057705

Physics

High Energy Physics

High Energy Physics - Phenomenology

Published version appear in PRD

Scientific paper

10.1103/PhysRevD.58.057705

The explanation of a 200 GeV R-parity violating squark to the HERA high-$Q^2$ anomaly would have an important impact on supersymmetry-breaking models. Here we show that a squark of mass around 200 GeV is disallowed in the minimal gauge-mediated SUSY-breaking models in the parameter space constrained by the radiative electroweak-symmetry breaking and the experimental lower limits on supersymmetric particles, even after including the large R-parity violating couplings. Supergravity motivated models can, on the other hand, give rise to these scalar quarks in a wide range of parameter space.

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