The Υ (nS) → BcDs, BcDd decays with perturbative QCD approach

被引：10
|
作者：
Sun, Junfeng [1 ]
Yang, Yueling [1 ]
Li, Qingxia [1 ]
Li, Haiyan [1 ]
Chang, Qin [1 ]
Huang, Jinshu [2 ]
机构：
[1] Henan Normal Univ, Inst Particle & Nucl Phys, Coll Phys & Elect Engn, Xinxiang 453007, Peoples R China
[2] Nanyang Normal Univ, Coll Phys & Elect Engn, Nanyang 473061, Peoples R China
来源：
PHYSICS LETTERS B | 2016年 / 752卷
基金：
中国国家自然科学基金;
关键词：
WEAK DECAYS; FACTORIZATION; MESON;
D O I：
10.1016/j.physletb.2015.11.053
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The Upsilon(nS) -> BcDs, BcDd weak decays are studied with the pQCD approach firstly. It is found that branching ratios Br(Upsilon(nS) -> BcDs) similar to O(10(-10)) and Br(Upsilon(nS) -> BcDd) similar to O( 10(-11)), which might be measurable in the future experiments. (C) 2015 The Authors. Published by Elsevier B.V.
引用
收藏
页码：322 / 328
页数：7
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