TY - JOUR
T1 - Rescattering and electroweak penguin effects in determinations of the weak phase γ
AU - Pirjol, Dan
PY - 2000
Y1 - 2000
N2 - Determinations of the CKM phase y from weak nonleptonic B decays are affected by electroweak (EW) penguins and rescattering effects. In this talk I explain how the EW penguin effects can be controlled with the help of SU(3) symmetry, by relating them to tree-level amplitudes. The impact of the final-state interactions on the determination of y from B+ → Kπ decays is studied numerically, showing that they can be important. A few alternative methods are discussed which use additional decays to eliminate their effects.
AB - Determinations of the CKM phase y from weak nonleptonic B decays are affected by electroweak (EW) penguins and rescattering effects. In this talk I explain how the EW penguin effects can be controlled with the help of SU(3) symmetry, by relating them to tree-level amplitudes. The impact of the final-state interactions on the determination of y from B+ → Kπ decays is studied numerically, showing that they can be important. A few alternative methods are discussed which use additional decays to eliminate their effects.
KW - B quarks
KW - CKM parameter
KW - CP violation
UR - http://www.scopus.com/inward/record.url?scp=33645672928&partnerID=8YFLogxK
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U2 - 10.1016/S0168-9002(00)00010-3
DO - 10.1016/S0168-9002(00)00010-3
M3 - Article
AN - SCOPUS:33645672928
SN - 0168-9002
VL - 446
SP - 18
EP - 27
JO - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
JF - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
IS - 1-2
ER -