Searches for Contact Interactions at HERA

Details Searches for Contact Interactions at HERA Searches for Contact Interactions at HERA

2008-09-17

arxiv.org/abs/0809.2915v1

Physics

High Energy Physics

High Energy Physics - Experiment

4 pages, 4 figures; Prepared for XVI International Workshop on Deep-Inelastic Scattering and Related Subjects (DIS2008)

Scientific paper

The H1 and ZEUS collaborations at HERA have searched for signatures of physics beyond the Standard Model with high Q^2 neutral current deep inelastic electron-proton and positron-proton scattering events. No significant deviations from Standard Model predictions were observed. Various eeqq contact nteraction models have been considered. Limits on the compositeness scale in general eeqq contact interaction models, mass to the Yukawa coupling ratio for heavy leptoquarks, the effective Planck mass scale in models with large extra dimensions and the effective quark charge radius are presented.

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