Strong decays of heavy-light mesons in a chiral quark model
Zhong XH(钟显辉); Zhao Q(赵强); Zhong, XH; Zhao, Q
刊名PHYSICAL REVIEW D
2008
卷号78期号:1页码:14029
学科分类Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.78.014029
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, Theoret Phys Ctr Sci Facil, Beijing 100049, Peoples R China
文章类型Article
英文摘要We carry out a systematic study of the heavy-light meson strong decays in a chiral quark model. For the S-wave vectors [D-*(2007), D-*+/-(2010)], P-wave scalars [D-0(*)(2400), B-0(*)(5730)], and tensors [D-2(*)(2460), D-s2(*)(2573)], we obtain results in good agreement with the experimental data. For the axial vectors D-1(2420) and D-1(')(2430), a state mixing scheme between 1(1)P(1) and 1(3)P(1) is favored with a mixing angle phi similar or equal to-(55 +/- 5)degrees, which is consistent with previous theoretical predictions. The same mixing scheme also applies to D-s1(2460) and D-s1(2536) that accounts for the narrow width of the D-s1(2536) and its dominant decay into (DK)-K-*. For B-1(5725) and B-1(')(5732), such a mixing explains well the decay width of the former but leads to an even broader B-1(')(5732). Predictions for the strange-bottom axial vectors are also made. For the undetermined meson D-*(2640), we find that they fit well in the radially excited state 2(3)S(1) according to its decay mode. The newly observed D-sJ(*)(2860) strongly favors the D-wave excited state 1(3)D(3). For D-sJ(*)(2632) and D-sJ(*)(2690), we find they are difficult to fit in any D-s excitations in that mass region, if the experimental data are accurate. Theoretical predictions for decay modes of those unobserved states as multiplets of 2S and 1D waves are also presented, which should be useful for the further experimental search for those states.
类目[WOS]Astronomy & Astrophysics ; Physics, Particles & Fields
研究领域[WOS]Astronomy & Astrophysics ; Physics
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语种英语
WOS记录号WOS:000258636400060
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被引频次:60[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/311005/240441
专题中国科学院高能物理研究所_理论物理室_期刊论文
作者单位中国科学院高能物理研究所
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Zhong XH,Zhao Q,Zhong, XH,et al. Strong decays of heavy-light mesons in a chiral quark model[J]. PHYSICAL REVIEW D,2008,78(1):14029.
APA 钟显辉,赵强,Zhong, XH,&Zhao, Q.(2008).Strong decays of heavy-light mesons in a chiral quark model.PHYSICAL REVIEW D,78(1),14029.
MLA 钟显辉,et al."Strong decays of heavy-light mesons in a chiral quark model".PHYSICAL REVIEW D 78.1(2008):14029.
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