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Lambda resonances studied in K(-)p -> Sigma(0)pi(0) in a chiral quark model
Zhong, XH; Zhao Q(赵强); Zhao, Q
2009
发表期刊CHINESE PHYSICS C
卷号33期号:12页码:1377-1380
通讯作者[Zhong Xian-Hui] Hunan Normal Univ, Dept Phys, Changsha 410081, Hunan, Peoples R China ; [Zhao Qiang] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China ; [Zhong Xian-Hui ; Zhao Qiang] Chinese Acad Sci, Theoret Phys Ctr Sci Facil, Beijing 100049, Peoples R China
摘要A chiral quark-model approach is extended to the study of the (K) over barN scattering at low energies. The process of K(-)p -> Sigma(0)pi(0) at P-K less than or similar to 800 MeV/c (i.e the center mass energy W less than or similar to 1.7 GeV) is investigated The Lambda(1405)S-01 dominates the reactions over the energy region considered here Around P-K similar or equal to 400 MeV/c, the Lambda(1520)D-03 is responsible for a strong resonant peak in the cross section. Our analysis suggests that there exist configurations mixings within the Lambda(1405)S-01 and Lambda(1670)S-01 as admixtures of the [70, (2)1, 1/2] and [70, (2)8, 1/2] configurations. The Lambda(1405)S-01 is dominated by [70, (2)1, 1/2], and Lambda(1670)S-01 by [70, (2)8, 1/2] The non-resonant background contributions, i.e. u-channel and t-channel, also play important, roles in the explanation of the angular distributions due to amplitude interferences.
文章类型Article; Proceedings Paper
关键词strange resonance quark model meson-baryon interaction
学科领域Physics
研究领域[WOS]Physics
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语种英语
WOS类目Physics, Nuclear ; Physics, Particles & Fields
WOS记录号WOS:000272577200059
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被引频次:2[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/311005/239323
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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Zhong, XH,Zhao Q,Zhao, Q. Lambda resonances studied in K(-)p -> Sigma(0)pi(0) in a chiral quark model[J]. CHINESE PHYSICS C,2009,33(12):1377-1380.
APA Zhong, XH,赵强,&Zhao, Q.(2009).Lambda resonances studied in K(-)p -> Sigma(0)pi(0) in a chiral quark model.CHINESE PHYSICS C,33(12),1377-1380.
MLA Zhong, XH,et al."Lambda resonances studied in K(-)p -> Sigma(0)pi(0) in a chiral quark model".CHINESE PHYSICS C 33.12(2009):1377-1380.
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