Generalized study with isospin-phased topological approach on B to K pi puzzle

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Title:	Generalized study with isospin-phased topological approach on B to K pi puzzle
Authors:	Chang, Darwin;Chen, Chian-Shu;Hatanaka, Hisaki;Kim, C.S.
Date:	2006-08-05
Issue Date:	2016-11-09 02:10:36 (UTC+8)
Abstract:	We study the decay processes B→Kπ by using generalized decay amplitudes with both the final state re-scattering strong phases and the topological quark diagrammatic strong phases included together as part of fitting parameters. Using a generalized approach, so called ``isospin phased topological approach'', for all the currently available data of B→Kπ decays, we determine the allowed values of the relevant theoretical parameters, corresponding to the electroweak penguin, the color-suppressed tree contribution, strong phase differences, etc. In order to find the most likely values of the parameters in a statistically reliable way, we use the χ2 minimization technique. We find that the long distance final state re-scattering, when taken at proper value, can provide a reasonable fit to the standard model with the perturbative QCD estimated values, and therefore, it is premature to conclude that it requires new physics to explain the CP violating B→Kπ data.
Relation:	Phs. Rev. D74:075024(2006)
Appears in Collections:	[Graduate Institute & Department of Physics] Journal Article

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