The possibility of a sizable, direct CP-violating asymmetry in B∓ → K∓η

被引：8

作者：

Barshay, S ^{[1
]}

Kreyerhoff, G ^{[1
]}

机构：

[1] Rhein Westfal TH Aachen, Inst Phys 3, D-52056 Aachen, Germany

来源：

PHYSICS LETTERS B | 2004年 / 578卷 / 3-4期

关键词：

D O I：

10.1016/j.physletb.2003.10.066

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The likelihood of a sizable, direct CP-violating asymmetry in the decays B-/+ --> K(-/+)eta, is calculated within the framework of the model which originally predicted a sizable asymmetry in pi(-/+) eta(eta'). It is shown in a transparent manner that these decays are the best places for providing the first clear evidence for direct CP violation in the decays of a charged particle. These decays contain two amplitudes of comparable magnitude, with different weak-interaction phase, and with different strong-interaction phase which is explicitly calculated in a model of three coupled channels of physical hadrons. (C) 2003 Elsevier B.V. All rights reserved.

引用

页码：330 / 334

页数：5

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