K -> pi nu nu-bar decays and CKM fits
Abstract
After a brief introduction to the so-called flavour problem, we discuss the role of K -> pi nu nu-bar decays in shedding new light on this issue. In particular, we review the theoretical uncertainties in predicting B(K -> pi nu nu-bar) within the SM, the sensitivity of these observables to New Physics scenarios, and the status of their experimental determination.
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