MEASURING STRONG AND WEAK PHASES IN TIME-INDEPENDENT-B DECAYS

被引：69

作者：

HERNANDEZ, OF

LONDON, D

GRONAU, M

ROSNER, JL

机构：

[1] TECHNION ISRAEL INST TECHNOL, DEPT PHYS, IL-32000 HAIFA, ISRAEL

[2] UNIV CHICAGO, DEPT PHYS, CHICAGO, IL 60637 USA

[3] UNIV CHICAGO, ENRICO FERMI INST, CHICAGO, IL 60637 USA

来源：

PHYSICS LETTERS B | 1994年 / 333卷 / 3-4期

基金：

美国能源部;

关键词：

D O I：

10.1016/0370-2693(94)90174-0

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Flavor SU(3) symmetry implies certain relations among B-decay amplitudes to pipi, piK and KKBAR final states, when annihilation-like diagrams are neglected. Using three triangle relations, we show how to measure the weak CKM phases alpha and gamma using time-independent rate measurements only. In addition, one obtains all the strong final-state phases and the magnitudes of individual terms describing tree (spectator), color-suppressed and penguin diagrams. Many independent measurements of these quantities can be made with this method, which helps to eliminate possible discrete ambiguities and to estimate the size of SU(3)-breaking effects.

引用

页码：500 / 506

页数：7

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