Constraints on the phase γ and new physics from B→Kπ decays
Journal
Physical Review Letters
Journal Volume
578
Journal Issue
1
Pages
18-21
Date Issued
1989
Author(s)
Abstract
Recent results from CLEO on B-->Kpi indicate that the phase gamma may be substantially different from that obtained from other fit to the KM matrix elements in the standard model. We show that gamma extracted using B-->Kpi,pipi is sensitive to new physics occurring at loop level. It provides a powerful method to probe new physics in electroweak penguin interactions. Using effects due to anomalous gauge couplings as an example, we show that within the allowed ranges for these couplings information about gamma obtained from B-->Kpi,pipi can be very different from the standard model prediction.
Type
journal article