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
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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