Dynamically generated J(P)=1/2(-)(3/2(-)) singly charmed and bottom heavy baryons
文献类型：期刊论文
| 作者 | Lu, Jun-Xu1,2; Zhou, Yu1,2; Chen, Hua-Xing1,2; Xie, Ju-Jun3; Geng, Li-Sheng1,2 |
| 刊名 | PHYSICAL REVIEW D
 |
| 出版日期 | 2015-07-30 |
| 卷号 | 92页码:16 |
| ISSN号 | 1550-7998 |
| DOI | 10.1103/PhysRevD.92.014036 |
| 英文摘要 | Approximate heavy-quark spin and flavor symmetry and chiral symmetry play an important role in our understanding of the nonperturbative regime of strong interactions. In this work, utilizing the unitarized chiral perturbation theory, we explore the consequences of these symmetries in the description of the interactions between the ground-state singly charmed (bottom) baryons and the pseudo-Nambu-Goldstone bosons. In particular, at leading order in the chiral expansion, by fixing the only parameter in the theory to reproduce the Lambda(b)(5912) [Lambda(b)*(5920)] or the Lambda(c)(2595) [Lambda(c)*(2625)], we predict a number of dynamically generated states, which are contrasted with those of other approaches and available experimental data. In anticipation of future lattice QCD simulations, we calculate the corresponding scattering lengths and compare them to the existing predictions from a O(p(3)) chiral perturbation theory study. In addition, we estimate the effects of the next-to-leading-order potentials by adopting heavy-meson Lagrangians and fixing the relevant low-energy constants using either symmetry or naturalness arguments. It is shown that higher-order potentials play a relatively important role in many channels, indicating that further studies are needed once more experimental or lattice QCD data become available. |
| WOS关键词 | CHIRAL PERTURBATION-THEORY ; HIDDEN GAUGE APPROACH ; LARGE-N-C ; SCATTERING ; SYMMETRY ; STATES ; RESONANCES ; ASTERISK ; MESONS ; A(0)(980) |
| 资助项目 | National Natural Science Foundation of China[11375024] ; National Natural Science Foundation of China[11205011] ; National Natural Science Foundation of China[11105126] ; New Century Excellent Talents in University Program of Ministry of Education of China[NCET-10-0029] ; Fundamental Research Funds for the Central Universities |
| WOS研究方向 | Astronomy & Astrophysics ; Physics |
| 语种 | 英语 |
| 出版者 | AMER PHYSICAL SOC |
| WOS记录号 | WOS:000358851100004 |
| 资助机构 | National Natural Science Foundation of China ; New Century Excellent Talents in University Program of Ministry of Education of China ; Fundamental Research Funds for the Central Universities |
| 源URL | [http://119.78.100.186/handle/113462/40309]  |
| 专题 | 中国科学院近代物理研究所 |
| 通讯作者 | Geng, Li-Sheng |
| 作者单位 | 1.Beihang Univ, Sch Phys & Nucl Energy Engn, Beijing 100191, Peoples R China 2.Beihang Univ, Int Res Ctr Nuclei & Particles Cosmos, Beijing 100191, Peoples R China 3.Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China |
| 推荐引用方式 GB/T 7714 | Lu, Jun-Xu,Zhou, Yu,Chen, Hua-Xing,et al. Dynamically generated J(P)=1/2(-)(3/2(-)) singly charmed and bottom heavy baryons[J]. PHYSICAL REVIEW D,2015,92:16. |
| APA | Lu, Jun-Xu,Zhou, Yu,Chen, Hua-Xing,Xie, Ju-Jun,&Geng, Li-Sheng.(2015).Dynamically generated J(P)=1/2(-)(3/2(-)) singly charmed and bottom heavy baryons.PHYSICAL REVIEW D,92,16. |
| MLA | Lu, Jun-Xu,et al."Dynamically generated J(P)=1/2(-)(3/2(-)) singly charmed and bottom heavy baryons".PHYSICAL REVIEW D 92(2015):16. |
入库方式： OAI收割
来源：近代物理研究所
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