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Lee, JP; Liu, C; Song, HS; Lee, JP , Seoul Natl Univ, Dept Phys, Seoul 151742, South Korea.
Lambda b ->Sigma((*))(c) pi l(nu)over-bar in the heavy quark, chiral, and large N-c limits
Source PublicationPHYSICAL REVIEW D
KeywordWeak Form-factors Perturbation-theory Symmetry Decays Predictions Qcd Universality Hadrons Baryons
AbstractThe 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).
2000
ISSN0556-2821
Volume61Issue:1Pages:-
Subject AreaPhysics
Indexed BySCI
Citation statistics
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/13047
Collection理论物理所科研产出_SCI论文
Corresponding AuthorLee, JP , Seoul Natl Univ, Dept Phys, Seoul 151742, South Korea.
Recommended Citation
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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