Constraints on Electron-quark Contact Interactions
Abstract
Description
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 $ν$-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.
9 pages and 2 figures. Plenary talks presented at the IVth International Workshop on Particle Physics Phenomenology, National Sin-yat-sun University, Taiwan R.O.C., June 18--21 1998 and at the D0 Collaboration meeting, Davis, CA, March 1998; and in a parallel session at PASCOS-98, Northeastern University, Boson MA, March 1998
9 pages and 2 figures. Plenary talks presented at the IVth International Workshop on Particle Physics Phenomenology, National Sin-yat-sun University, Taiwan R.O.C., June 18--21 1998 and at the D0 Collaboration meeting, Davis, CA, March 1998; and in a parallel session at PASCOS-98, Northeastern University, Boson MA, March 1998