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Charmed baryon strong decays in a chiral quark model
Zhong XH(钟显辉); Zhao Q(赵强); Zhong, XH; Zhao, Q
2008
发表期刊PHYSICAL REVIEW D
卷号77期号:7页码:74008
通讯作者[Zhong, Xian-Hui ; Zhao, Qiang] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China ; [Zhao, Qiang] Univ Surrey, Dept Phys, Guildford GU2 7XH, Surrey, England ; [Zhong, Xian-Hui ; Zhao, Qiang] Chinese Acad Sci, Ctr Theoret Phys Sci Facil TPCSF, Beijing 100049, Peoples R China
文章类型Article
摘要Charmed baryon strong decays are studied in a chiral quark model. The data for the decays of Lambda(+)(c)(2593), Lambda(+)(c)(2625), Sigma(++,+,0)(c), and Sigma(+,0)(c)(2520) are accounted for successfully, which allows one to fix the pseudoscalar-meson-quark couplings in an effective chiral Lagrangian. Extending this framework to analyze the strong decays of the newly observed charmed baryons, we classify that Lambda(c)(2880) and Lambda(c)(2940) as D-wave states in the N=2 shell; Lambda(c)(2880) could be |Lambda(2)(c)D(lambda lambda)3/2(+)> and Lambda(c)(2940) could be |Lambda(2)(c)D(lambda lambda)5/2(+)>. Our calculation also suggests that Lambda(c)(2765) is very likely a rho-mode P-wave excited state in the N=1 shell, and favors a |Lambda(4)(c)P(rho)1/2(-)> configuration. The Sigma(c)(2800) favors being a |Sigma(2)(c)P(lambda)1/2(-)> state. But its being |Sigma(++4)(c)P(lambda)5/2(-)> cannot be ruled out.
学科领域Astronomy & Astrophysics; Physics
研究领域[WOS]Astronomy & Astrophysics ; Physics ; Astronomy & Astrophysics ; Physics
DOI10.1103/PhysRevD.77.074008
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语种英语
研究领域[WOS]Astronomy & Astrophysics ; Physics ; Astronomy & Astrophysics ; Physics
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000255457800025
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被引频次:54[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240773
专题理论物理室
作者单位中国科学院高能物理研究所
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GB/T 7714
Zhong XH,Zhao Q,Zhong, XH,et al. Charmed baryon strong decays in a chiral quark model[J]. PHYSICAL REVIEW D,2008,77(7):74008.
APA 钟显辉,赵强,Zhong, XH,&Zhao, Q.(2008).Charmed baryon strong decays in a chiral quark model.PHYSICAL REVIEW D,77(7),74008.
MLA 钟显辉,et al."Charmed baryon strong decays in a chiral quark model".PHYSICAL REVIEW D 77.7(2008):74008.
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