The s-d transition in heavy mesons

被引：0
|
作者：
Zhang, DX [1 ]
机构：
[1] Peking Univ, Sch Phys, Inst Theoret Phys, Beijing 100871, Peoples R China
[2] Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China
来源：
PHYSICS LETTERS B | 2002年 / 531卷 / 1-2期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1016/S0370-2693(02)01367-9
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
A class of \Deltas\ = 1 transition is analyzed in the D-s(+)-D+ and (B) over bar (0)(s)-(B) over bar (0) systems. Short distance Wilson coefficients are calculated within HQET. Novel features of the transitions are discussed. We find that these transitions are unobservable in the standard model. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：67 / 70
页数：4
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