Lambda b ->Sigma((*))(c) pi l(nu)over-bar in the heavy quark, chiral, and large N-c limits

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	*Lambda b ->Sigma(())(c) pi l(nu)over-bar in the heavy quark, chiral, and large N-c limits**
	Lee, JP; Liu, C; Song, HS; Lee, JP , Seoul Natl Univ, Dept Phys, Seoul 151742, South Korea.
	2000
发表期刊	PHYSICAL REVIEW D
ISSN	0556-2821
卷号	61 期号:1 页码:-
摘要	The decay of Lambda(b) --> Sigma(c)(()) pi/<(nu)over bar> processes is calculated in the framework of heavy baryon chiral perturbation theory with the help of the 1/N-c expansion. The decay rate distributions over nu . nu' where nu and nu' are the four-vector velocities of Lambda(b) and Sigma(c)(()), respectively, and over the pion and lepton energies, are given. The decay branching ratios amount to about 1.21(0.971)% for Lambda(b)-->Sigma(c) pi/<(nu)over bar> and 0.798(0.640)% for Lambda(b)-->Sigma(c)* pi/<(nu)over bar> by using the baryonic Isgur-Wise function predicted by QCD sum rules (large N-c QCD).
部门归属	Seoul Natl Univ, Dept Phys, Seoul 151742, South Korea; Seoul Natl Univ, Ctr Theoret Phys, Seoul 151742, South Korea; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Korea Inst Adv Study, Seoul 130012, South Korea
关键词	Weak Form-factors Perturbation-theory Symmetry Decays Predictions Qcd Universality Hadrons Baryons
学科领域	Physics
收录类别	SCI
WOS记录号	WOS:000084674200022
引用统计
文献类型	期刊论文
条目标识符	http://ir.itp.ac.cn/handle/311006/13047
专题	理论物理所1978-2010年知识产出
通讯作者	Lee, JP , Seoul Natl Univ, Dept Phys, Seoul 151742, South Korea.
推荐引用方式 GB/T 7714	Lee, JP,Liu, C,Song, HS,et al. Lambda b ->Sigma((*))(c) pi l(nu)over-bar in the heavy quark, chiral, and large N-c limits[J]. PHYSICAL REVIEW D,2000,61(1):-.
APA	Lee, JP,Liu, C,Song, HS,&Lee, JP , Seoul Natl Univ, Dept Phys, Seoul 151742, South Korea..(2000).Lambda b ->Sigma((*))(c) pi l(nu)over-bar in the heavy quark, chiral, and large N-c limits.PHYSICAL REVIEW D,61(1),-.
MLA	Lee, JP,et al."Lambda b ->Sigma((*))(c) pi l(nu)over-bar in the heavy quark, chiral, and large N-c limits".PHYSICAL REVIEW D 61.1(2000):-.

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