Low-lying charmed and charmed-strange baryon states
文献类型：期刊论文
| 作者 | Chen, Bing1,3,6; Wei, Ke-Wei3; Liu, Xiang1,2,6; Matsuki, Takayuki4,5 |
| 刊名 | EUROPEAN PHYSICAL JOURNAL C
 |
| 出版日期 | 2017-03-09 |
| 卷号 | 77期号:3页码:17 |
| ISSN号 | 1434-6044 |
| DOI | 10.1140/epjc/s10052-017-4708-x |
| 英文摘要 | In this work, we systematically study the mass spectra and strong decays of 1P and 2S charmed and charmed-strange baryons in the framework of non-relativistic constituent quark models. With the light quark cluster-heavy quark picture, the masses are simply calculated by a potential model. The strong decays are studied by the Eichten-Hill-Quigg decay formula. Masses and decay properties of the well-established 1S and 1P states can be reproduced by our method. Sigma(c)(2800)(0,+,++) can be assigned as a Sigma(c2)(3/2(-)) or Sigma(c2)(5/2(-)) state. We prefer to interpret the signal (Sigma)c(2850)(0) as a 2S(1/2(+)) state although at present we cannot thoroughly exclude the possibility that this is the same state as Sigma(c)(2800)(0). Sigma(c)(2765)(+) or Sigma(c)(2765)(+) could be explained as the Lambda(+)(c)(2S) state or Sigma(+)(c1)(1/2(-)) state, respectively. We propose to measure the branching ratio of B(Sigma(c)(2455)pi)/B(Sigma(c)(2520)pi) in the future, which may disentangle the puzzle of this state. Our results support Xi(c)(2980)(0,+) as the first radial excited state of Xi(c)(2470)(0,+) with J(P) = 1/2(+). The assignment of Xi(c)(2930)(0) is analogous to Sigma(c)(2800)(0,+,++), i.e., a Xi(c2)'(3/2(-)) or Xi(c2)'(5/2(-)) state. In addition, we predict some typical ratios among partial decay widths, which are valuable for experimental search for these missing charmed and charmed-strange baryons. |
| WOS关键词 | RELATIVIZED QUARK-MODEL ; HEAVY BARYONS ; DIQUARK PICTURE ; SPECTROSCOPY ; MESONS ; DECAYS ; MASSES ; CHROMODYNAMICS |
| 资助项目 | National Natural Science Foundation of China[11305003] ; National Natural Science Foundation of China[11222547] ; National Natural Science Foundation of China[11175073] ; National Natural Science Foundation of China[11447604] ; National Natural Science Foundation of China[U1204115] ; National Program for Support of Top-notch Young Professionals |
| WOS研究方向 | Physics |
| 语种 | 英语 |
| WOS记录号 | WOS:000400017400003 |
| 出版者 | SPRINGER |
| 资助机构 | National Natural Science Foundation of China ; National Program for Support of Top-notch Young Professionals |
| 源URL | [http://119.78.100.186/handle/113462/44723]  |
| 专题 | 中国科学院近代物理研究所 |
| 通讯作者 | Chen, Bing |
| 作者单位 | 1.Lanzhou Univ, Lanzhou 730000, Peoples R China 2.Lanzhou Univ, Sch Phys Sci & Technol, Lanzhou 730000, Peoples R China 3.Anyang Normal Univ, Dept Phys, Anyang 455000, Peoples R China 4.RIKEN, Nishina Ctr, Theoret Res Div, Saitama 3510198, Japan 5.Tokyo Kasei Univ, Itabashi Ku, 1-18-1 Kaga, Tokyo 1738602, Japan 6.Chinese Acad Sci, Inst Modern Phys, Res Ctr Hadron & CSR Phys, Lanzhou 730000, Peoples R China |
| 推荐引用方式 GB/T 7714 | Chen, Bing,Wei, Ke-Wei,Liu, Xiang,et al. Low-lying charmed and charmed-strange baryon states[J]. EUROPEAN PHYSICAL JOURNAL C,2017,77(3):17. |
| APA | Chen, Bing,Wei, Ke-Wei,Liu, Xiang,&Matsuki, Takayuki.(2017).Low-lying charmed and charmed-strange baryon states.EUROPEAN PHYSICAL JOURNAL C,77(3),17. |
| MLA | Chen, Bing,et al."Low-lying charmed and charmed-strange baryon states".EUROPEAN PHYSICAL JOURNAL C 77.3(2017):17. |
入库方式： OAI收割
来源：近代物理研究所
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