Bottom Quark Physics - Past, Present, Future
Edward H. Thorndike
Abstract
On the occasion of a symposium honoring my collegue Adrian Melissinos, I gave an informal, personal review of bottom quark physics. This paper is a writeup of that talk. I first summarize the early days, the decade from the discovery through the determination of the b quark's rough features. I note a change in objective which occurred around 1990, with the new emphasis being USING the b quark, to probe the Standard Model and to search for physics `beyond the Standard Model'. I review the flavor sector of the Standard Model, showing why the b quark is such a useful probe. I then discuss three topics of current interest: the determination of Vub; studies of rare hadronic B decays; and the radiative penguin decay b -> s gamma.
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