Threshold corrections of chi(c)(2P) and chi(b)(3P) states and J/psi rho and J/psi omega transitions of the X(3872) in a coupled-channel model
文献类型：期刊论文
| 作者 | Ferretti, J; Santopinto, E |
| 刊名 | PHYSICS LETTERS B
 |
| 出版日期 | 2019 |
| 卷号 | 789页码:550-555 |
| 关键词 | BOUND-STATES CHARMONIUM |
| ISSN号 | 0370-2693 |
| DOI | 10.1016/j.physletb.2018.12.052 |
| 英文摘要 | We calculate the masses of chi(c)(2P) and chi(b)(3P) states with threshold corrections in a coupled-channel model. Here, the meson quarkonium core is augmented by higher Fock components due to pair-creation effects. According to our results, we interpret the resonances characterized by very small threshold corrections, like chi(b)(3P)'s, as almost pure quarkonia, and those states characterized by non-negligible threshold corrections, like the X(3872), as quarkonium cores plus meson-meson components. We also study the J/psi rho and J/psi omega hidden-flavor strong decays of the X(3872). The decays are calculated as the dissociation of one of these components (D-0(D) over bar (0)*) into a c (c) over bar state (J/psi) plus a light meson (rho or omega) in a potential model. In particular, our result for the ratio between the X(3872) -> J/psi omega and.1 J/psi rho widths (0.6) is compatible with the present experimental data (0.8 +/- 0.3) within the experimental error. (C) 2018 The Authors. Published by Elsevier B.V. |
| 学科主题 | Astronomy & Astrophysics ; Physics |
| 语种 | 英语 |
| 源URL | [http://ir.itp.ac.cn/handle/311006/23489]  |
| 专题 | 理论物理研究所_理论物理所1978-2010年知识产出 |
| 作者单位 | 1.[Ferretti, J.] Yale Univ, Sloane Phys Lab, Ctr Theoret Phys, New Haven, CT 06520 USA 2.[Santopinto, E.] INFN, Sez Genova, Via Dodecaneso 33, I-16146 Genoa, Italy 3.[Ferretti, J.] Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China |
| 推荐引用方式 GB/T 7714 | Ferretti, J,Santopinto, E. Threshold corrections of chi(c)(2P) and chi(b)(3P) states and J/psi rho and J/psi omega transitions of the X(3872) in a coupled-channel model[J]. PHYSICS LETTERS B,2019,789:550-555. |
| APA | Ferretti, J,&Santopinto, E.(2019).Threshold corrections of chi(c)(2P) and chi(b)(3P) states and J/psi rho and J/psi omega transitions of the X(3872) in a coupled-channel model.PHYSICS LETTERS B,789,550-555. |
| MLA | Ferretti, J,et al."Threshold corrections of chi(c)(2P) and chi(b)(3P) states and J/psi rho and J/psi omega transitions of the X(3872) in a coupled-channel model".PHYSICS LETTERS B 789(2019):550-555. |
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来源：理论物理研究所
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