Abandoning exact SU(3) in coupled-channel final-state interactions through reggeon exchange for B→ππ, K(K)over-bar

被引：0
|
作者：
Lach, P [1 ]
机构：
[1] H Niewodniczanski Inst Nucl Phys, PL-31342 Krakow, Poland
来源：
ACTA PHYSICA POLONICA B | 2003年 / 34卷 / 05期
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中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
For weak decays B-d(0) --> pipi and K (K) over bar the effects of SU(3) breaking in coupled-channel final-state interaction effects are discussed in a Regge framework. It is shown that SU(3) breaking in the inelastic final-state transitions dramatically affects the phases of the isospin I = 0, 1, 2 amplitudes in the B-d(0) decays. The effect of the singlet penguin diagram on these phases is studied. Furthermore, on the example of the B-d(0) --> pi decays, the dependence of CP asymmetries on the size of penguin amplitude is analyzed.
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页码：2631 / 2642
页数：12
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