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Strong decays of newly observed D-sJ states in a constituent quark model with effective Lagrangians
Zhong, XH; Zhao Q(赵强); Zhao, QA
2010
发表期刊PHYSICAL REVIEW D
卷号81期号:1页码:14031
通讯作者[Zhong, Xian-Hui] Hunan Normal Univ, Dept Phys, Changsha 410081, Hunan, Peoples R China ; [Zhong, Xian-Hui] Minist Educ, Key Lab Low Dimens Quantum Struct & Quantum Contr, 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
文章类型Article
摘要The strong decay properties of the newly observed states D-sJ(3040), D-sJ(2860), and D-sJ(2710) are studied in a constituent quark model with quark-meson effective Lagrangians. We find that the D-sJ(3040) could be identified as the low-mass physical state vertical bar 2P(1)>(L) (J(P) = 1(+)) from the D-s(2(1)P(1))-D-s(2(3)P(1)) mixing. The D-sJ(2710) is likely to be the low-mass mixed state vertical bar(SD)>(L) via the 1(3)D(1)-2(3)S(1) mixing. In our model, the D-sJ(2860) cannot be assigned to any single state with a narrow width and compatible partial widths to DK and D*K. Thus, we investigate a two-state scenario as proposed in the literature. In our model, one resonance is likely to be the 1(3)D(3) (J(P) = 3(-)), which mainly decays into DK. The other resonance seems to be the vertical bar 1D'(2))>(H), i.e. the high-mass state in the 1(1)D(2)-1(3)D(2) mixing with J(P) = 2(-), of which the D*K channel is its key decay mode. We also discuss implications arising from these assignments and give predictions for their partner states such as vertical bar(SD)'>(H),vertical bar 2P'(1))>(H), 2(3)P(0), and 2(3)P(2), which could be helpful for the search for these new states in future experiments.
学科领域Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.81.014031
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语种英语
WOS研究方向Astronomy & Astrophysics ; Physics
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000284269200001
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被引频次:40[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/311005/240443
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, QA. Strong decays of newly observed D-sJ states in a constituent quark model with effective Lagrangians[J]. PHYSICAL REVIEW D,2010,81(1):14031.
APA Zhong, XH,赵强,&Zhao, QA.(2010).Strong decays of newly observed D-sJ states in a constituent quark model with effective Lagrangians.PHYSICAL REVIEW D,81(1),14031.
MLA Zhong, XH,et al."Strong decays of newly observed D-sJ states in a constituent quark model with effective Lagrangians".PHYSICAL REVIEW D 81.1(2010):14031.
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