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题名: Modeling charmonium-eta decays of J(PC)=1(--) higher charmonia
作者: Anwar, MN ;  Lu, Y ;  Zou, BS
刊名: PHYSICAL REVIEW D
出版日期: 2017
卷号: 95, 期号:11, 页码:114031
学科分类: Astronomy & Astrophysics; Physics
DOI: http://dx.doi.org/10.1103/PhysRevD.95.114031
通讯作者: Anwar, MN ;  Zou, BS (reprint author), Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China. ;  Anwar, MN ;  Lu, Y ;  Zou, BS (reprint author), Univ Chinese Acad Sci, Beijing 100049, Peoples R China. ;  Lu, Y (reprint author), Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China.
文章类型: Article
英文摘要: We propose a new model to create a light meson in the heavy quarkonium transition, which is inspired by the Nambu-Jona-Lasinio (NJL) model. Hadronic transitions of J(PC) = 1(--) higher charmonia with the emission of an eta meson are studied in the framework of the proposed model. The model shows its potential to reproduce the observed decay widths and make predictions for the unobserved channels. We present our predictions for the decay width of Psi -> J/psi eta and Psi -> h(c)(1P)eta, where Psi are higher S and D wave vector charmonia, which provide useful references to search for higher charmonia and determine their properties in forthcoming experiments. The predicted branching fraction B(psi(4415) -> h(c)(1P)eta) = 4.62 x 10(-4) is one order of magnitude smaller than the J/psi eta channel. Estimates of partial decay width Gamma(Y -> J/psi eta) are given for Y(4360), Y(4390), and Y(4660) by assuming them as c (c) over bar bound states with quantum numbers 3(3)D(1), 3(3)D(1), and 5(3)S(1), respectively. Our results are in favor of these assignments for Y(4360) and Y(4660). The corresponding experimental data for these Y states has large statistical errors which do not provide any constraint on the mixing angle if we introduce S - D mixing. To identify Y(4390), precise measurements on its hadronic branching fraction are required which are eagerly awaited from BESIII.
类目[WOS]: Astronomy & Astrophysics ;  Physics, Particles & Fields
关键词[WOS]: SOFT-EXCHANGE-APPROXIMATION ;  JONA-LASINIO MODEL ;  HADRONIC TRANSITIONS ;  QUARK-MODEL ;  DYNAMICAL MODEL ;  MESONS ;  STATES ;  SUPERCONDUCTIVITY ;  CHROMODYNAMICS ;  PSI(3686)
项目资助者: National Natural Science Foundation of China (DFG) [11261130311 (CRC110)] ;  National Natural Science Foundation of China (NSFC) [11261130311 (CRC110)] ;  CAS-TWAS President's Fellowship
语种: 英语
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内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/22027
Appears in Collections:理论物理所2017年知识产出_期刊论文

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Recommended Citation:
Anwar, MN,Lu, Y,Zou, BS. Modeling charmonium-eta decays of J(PC)=1(--) higher charmonia[J]. PHYSICAL REVIEW D,2017,95(11):114031.
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