A vertex-structure model for new direct CP-violating effects in (B)over-bar0 (B0)→φKs and in B∓→π∓η′(η)

被引：0
作者：
Barshay, Saul [1 ]
Kreyerhoff, Georg [1 ]
机构：
[1] Rhein Westfal TH Aachen, Inst Phys 3A, D-52056 Aachen, Germany
来源：
MODERN PHYSICS LETTERS A | 2006年 / 21卷 / 36期
关键词：
CP-violation; B decays;
D O I：
10.1142/S0217732306021700
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We consider effective Lagrangian models of CP-violating vertex structure in which a b -> uW vertex, proportional to s(13)e(-i delta 13) with s(13) very small (milliweak interaction) and 613 large, is dynamically generated. A consequent, enhanced CP-violating vertex for b -> sg results in an enhanced CP-violating phase in the ratio of amplitudes for (B) over bar (0)(B-0) -> phi K-S. We estimate that this can significantly change the S-parameter from the value expected in the standard model.
引用
收藏
页码：2729 / 2737
页数：9
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