Decay Λb→pl(ν)over-bar in QCD sum rules

被引：25
|
作者：
Huang, CS
Qiao, CF
Yan, HG
机构：
[1] Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China
[2] CCAST, World Lab, Beijing 100080, Peoples R China
[3] Int Ctr Theoret Phys, I-34100 Trieste, Italy
来源：
PHYSICS LETTERS B | 1998年 / 437卷 / 3-4期
基金：
中国国家自然科学基金;
关键词：
heavy baryon; weak decay; heavy quark effective theory; QCD sum rule;
D O I：
10.1016/S0370-2693(98)00909-5
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The Lambda(b) --> p semileptonic decay is analyzed by using QCD sum rules within the framework of heavy quark effective theory. The Isgur-Wise function of Lambda(b) --> pl(nu)over-bar has been calculated. The decay width is given. (C) 1998 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：403 / 407
页数：5
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