Extraction of gamma

Abstract

After a brief look at the well-known standard approaches to determine the angle gamma of the unitarity triangle, we focus on two kinds of strategies, employing $B\to \pi K$ modes, and U-spin-related B decays. Interesting "puzzles", which may already be indicated by the present B-factory data, are pointed out, and the importance of the extraction of hadronic parameters, which are provided by these strategies as by-products, is emphasized.

Comments: 12 pages, LaTeX, 1 figure. Invited talk given at the 9th International Symposium on Heavy Flavor Physics, Caltech, Pasadena, 10-13 September 2001. To appear in the Proceedings