are keenly aware of this lesson. Experimenters will continue to study their data for signs of the next surprise that could significantly alter views of nature.

SUMMARY

The experiments beginning during the coming decade in this country and abroad will explore very important issues in elementary-particle physics. Researchers stand to learn a tremendous amount about the fundamental differences between matter and antimatter, enough so that the current understanding of CP violation should be either confirmed or refuted. Experiments should be able to establish generation-changing interactions among the leptons, and if so, this has important conclusions for the ultimate unification of all elementary particles. Data on the strong force will give new insights into QCD and could establish an important new phase of matter. The Higgs boson and/or some of the expected states in supersymmetry should be discovered, if they exist. If not, then physicists expect compelling evidence for a new force in nature.

Even so, one wonders what questions will remain after the coming decade of experimentation: This subject is treated after the accelerators and detectors used in particle physics are described in Chapter 6.



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