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QCD factorization in $B \to \pi K$, $\pi\pi$ decays and extraction of Wolfenstein parameters / Beneke, Martin ; Buchalla, Gerhard ; Neubert, M ; Sachrajda, Christopher T C
In the heavy-quark limit, the hadronic matrix elements entering nonleptonic $B$-meson decays into two light mesons can be calculated from first principles including ``nonfactorizable'' strong-interaction corrections. The $B\to\pi K,\pi\pi$ decay amplitudes are computed including electroweak penguin contributions, SU(3) violation in the light-cone distribution amplitudes, and an estimate of power corrections from chirally-enhanced terms and annihilation graphs. [...]
hep-ph/0104110; CERN-TH-2001-107; CLNS-2001-1728; PITHA-2001-01; SHEP-2001-11.- Geneva : CERN, 2001 - 81 p. - Published in : Nucl. Phys. B 606 (2001) 245-321 Access to fulltext document: 0104110.figdiagrams - PS.GZ; 0104110.figannihilation - PS.GZ; 0104110.figpenguin - PS.GZ; 0104110 - PDF; 0104110.figtheorem - PS.GZ; External link: hep-ph/0104110 PDF - CERN library copies

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