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

Abstract

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.

Published version appear in PRD

References in corpus (28)

• Comparison of ZEUS Data with Standard Model Predictions for e^+ p -> e^+ X Scattering at High x and Q^2
• Observation of Events at Very High Q^2 in ep Collisions at HERA
• Large tan beta in Gauge-Mediated SUSY-Breaking Models
• Supersymmetry with R-Parity Breaking: Contact Interactions and Resonance Formation in Leptonic Processes at LEP2
• Leptoquark/Squark Interpretation of HERA Events: Virtual Effects in e+e- Annihilation to Hadrons
• Pursuing interpretations of the HERA large-Q2 data
• R-Parity Violation at HERA ?
• Global Study of Electron-Quark Contact Interactions
• Comments on the high-$Q^2$ HERA anomaly
• High Q2-Anomaly at HERA and Supersymmetry
• R-Parity Violation and Unification
• The high-Q^2 Hera anomaly and supersymmetric unification
• QCD aspects of leptoquark production at HERA
• QCD Corrections and the Leptoquark Interpretation of the HERA High Q^2 Events
• Contact Interactions and high-Q2 events in e^+ p collisions at HERA
• Pursuing the Strange Stop Interpretation of the HERA Large Q^2 data
• Stops in R-parity Breaking Model for High-$Q^2$ Events at HERA
• Constraints on the Universal Contact Interaction
• Four-Fermion Effective Interactions and Recent Data at HERA
• Contact Interaction Explanation of HERA Events and $SU(3{)}_C\times SU(2{)}_L\times U(1{)}_Y$ Invariance
• Constraints on Leptoquark Masses and Couplings from Rare Processes and Unification
• Comment on $Z^{\prime }$'s and the H1 and ZEUS High $Q^2$ Anomalies
• Leptoquarks and vector-like strong interactions at the TeV scale
• Supersymmetric interpretation of high--$Q^2$ HERA events and other related issues
• Leptoquark explanation of HERA anomaly in the context of gauge unification
• Atomic parity violation and the HERA anomaly
• Explaining the HERA Anomaly Without Giving Up R-parity Conservation
• Has the Substructure of Quarks and Leptons Been Found also by the H1 and ZEUS Detectors at HERA?

Cited by in corpus (2)

• Physics of leptoquarks in precision experiments and at particle colliders
• Phenomenological constraints on broken R parity symmetry in supersymmetry models