CP violating phase γ and the partial widths asymmetry in B-→π+π-K- and B-→K+K-K- decays

被引：13
|
作者：
Fajfer, S
Oakes, RJ
Pham, TN
机构：
[1] Jozef Stefan Inst, Ljubljana 1001, Slovenia
[2] Univ Ljubljana, Dept Phys, Ljubljana 1000, Slovenia
[3] Northwestern Univ, Dept Phys & Astron, Evanston, IL 60208 USA
[4] Ecole Polytech, Ctr Phys Theor, Ctr Natl Rech Sci, UMR 7644, F-91128 Palaiseau, France
来源：
PHYSICS LETTERS B | 2002年 / 539卷 / 1-2期
关键词：
D O I：
10.1016/S0370-2693(02)02030-0
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Motivated by recent Belle measurement of the branching ratios B- --> pi(+)pi(-)K(-) and B- --> K+K-K- and B+/- --> chic0K(+/-), we investigate the CP violating asymmetry in the partial widths for the decays B- --> pi(+)pi(-)K(-) and B- --> K+K-K-, which results from the interference of the nonresonant decay amplitude with the resonant amplitude B+/- --> chic0 K+/- --> pi(+)pi(-)K(+/-) and B+/- --> chic0K(+/-) --> K+K-K-. By taking gamma similar or equal to 58degrees we predict that the partial widths asymmetry is reaching 10% for the B- --> pi(+)pi(-)K(-) decay and 16% for the B- --> K+K-K- decay. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：67 / 75
页数：9
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