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题名: Decays of excited charmed Lambda-type and Sigma-type baryons in heavy hadron chiral perturbation theory
作者: Huang, MQ ;  Dai, YB ;  Huang, CS
刊名: PHYSICAL REVIEW D
出版日期: 1995
卷号: 52, 期号:7, 页码:3986-3992
关键词: QUARK-MODEL ;  MESONS
学科分类: Physics
通讯作者: Huang, MQ , ACAD SINICA,INST THEORET PHYS,POB 2735,BEIJING 100080,PEOPLES R CHINA.
部门归属: CHANGSHA INST TECHNOL,DEPT PHYS,CHANGSHA 410083,PEOPLES R CHINA
英文摘要: Ground states and some excited p-wave states of heavy baryons are studied within the framework of heavy hadron chiral perturbation theory. The effective Lagrangian is written out to terms of the next-to-leading order in 1/m(Q) or 1/Lambda(chi). The coupling constants are estimated using the experimental data of Lambda and Sigma baryons in the static Limit of the s quark. The single-pion and double-pion decay rates of these charmed baryons have been estimated. The numerical results show that both Lambda(c)(1/2(-)) and Lambda(c)(3/2(-)) are very narrow. We conclude that the two-pion channel may offer the best hope for detecting the Sigma(c)(3/2(-)) and Sigma(c)(1/2(-)) p-wave doublet.
收录类别: SCI
原文出处: 查看原文
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/11703
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Huang, MQ,Dai, YB,Huang, CS. Decays of excited charmed Lambda-type and Sigma-type baryons in heavy hadron chiral perturbation theory[J]. PHYSICAL REVIEW D,1995,52(7):3986-3992.
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