Role of a charm factory in extracting CKM-phase information via B→DK -: art. no. 033003

被引：63

作者：

Atwood, D ^{[1
]}

Soni, A

机构：

[1] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA

[2] Brookhaven Natl Lab, Theory Grp, Upton, NY 11973 USA

来源：

PHYSICAL REVIEW D | 2003年 / 68卷 / 03期

关键词：

D O I：

10.1103/PhysRevD.68.033003

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In this paper we study the impact of data that can be obtained from a charm factory on the determination of the Cabibbo-Kobayashi-Maskawa parameter gamma from decays of the form B-->(DK)-K-0 where the D-0 decays to specific inclusive and exclusive final states. In particular, for each exclusive final state f, the charm factory can determine the strong phase difference between D-0-->f and (D) over bar (0)-->f by exploiting correlations in psi(3770)-->D-0(D) over bar (0). This provides crucial input to the determination of gamma via the interference of B+/--->(K+/-D0)-->f with B+/--->K+/-(D) over bar (0)-->f. We discuss how the method may be generalized to inclusive final states and illustrate with a toy model how such methods may offer one of the best means to determine gamma with O(10(8)-10(9)) B mesons.

引用

页数：9

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