Constraints on Electron-quark Contact Interactions

Details Constraints on Electron-quark Contact Interactions Constraints on Electron-quark Contact Interactions

1998-07-23

arxiv.org/abs/hep-ph/9807483v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages and 2 figures. Plenary talks presented at the IVth International Workshop on Particle Physics Phenomenology, National

Scientific paper

In this talk, I summarize a global analysis on electron-quark contact interactions using the updated NC DIS data at HERA, Drell-yan production at the Tevatron, total hadronic cross sections at LEP, atomic parity violation measurement, low energy $e$-nucleon scattering data, and the $\nu$-nucleon scattering data. The global data do not show any evidence for contact interactions. Thus, we obtain limits of 8--15 TeV on the compositeness scale, which are significantly better than those published by each individual experiment.

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