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Z(c)(3900) as a resonance from the D(D)over-bar* interaction
He, J; He, J (reprint author), Chinese Acad Sci, Inst Modern Phys, Div Theoret Phys, Lanzhou 730000, Peoples R China.
2015
发表期刊PHYSICAL REVIEW D
卷号92期号:3页码:34004
文章类型Article
摘要In this paper it is proposed that the charged charmonium-like state Z(c)(3900) is a resonance above threshold from the D (D) over bar* interaction. The D (D) over bar* interaction is described by the one-bosn-exchange model with light meson exchanges plus a short-range J/psi exchange. The scattering amplitude is calculated within a Bethe-Saltpeter equation approach and the poles near the D (D) over bar* threshold are searched. In isoscalar sector, two poles found under the D (D) over bar* threshold-i.e., bound states-have quantum numbers I-G(J(PC)) = 0(-)(1(+-)) and 0(+)(1(++)). The latter can be related to the X(3872). In the isovector sector, a bound state with I-G(J(P)) = 1(+)(1(+)) is found with a large cut off about 3 GeV. If a cut off about 2 GeV is adopted with which a pole carrying quantum number of the X(3872) is produced at energy about 3871 MeV, the pole for the bound state with 1(+)(1(+)) runs across the threshold to second Rienman sheet and becomes a resonance above the D (D) over bar* threshold, which can be identified with the Z(c)(3900). With such cut off, the D (D) over bar* invariant mass spectrum is also investigated and the experimental results by BESIII can be reproduced
学科领域Astronomy & Astrophysics ; Physics
资助者Major State Basic Research Development Program in China [2014CB845405] ; Major State Basic Research Development Program in China [2014CB845405] ; Major State Basic Research Development Program in China [2014CB845405] ; Major State Basic Research Development Program in China [2014CB845405] ; National Natural Science Foundation of China [11275235, 11035006] ; National Natural Science Foundation of China [11275235, 11035006] ; National Natural Science Foundation of China [11275235, 11035006] ; National Natural Science Foundation of China [11275235, 11035006] ; Chinese Academy of Sciences (the Knowledge Innovation Project) [KJCX2-EW-N01] ; Chinese Academy of Sciences (the Knowledge Innovation Project) [KJCX2-EW-N01] ; Chinese Academy of Sciences (the Knowledge Innovation Project) [KJCX2-EW-N01] ; Chinese Academy of Sciences (the Knowledge Innovation Project) [KJCX2-EW-N01] ; Major State Basic Research Development Program in China [2014CB845405] ; Major State Basic Research Development Program in China [2014CB845405] ; Major State Basic Research Development Program in China [2014CB845405] ; Major State Basic Research Development Program in China [2014CB845405] ; National Natural Science Foundation of China [11275235, 11035006] ; National Natural Science Foundation of China [11275235, 11035006] ; National Natural Science Foundation of China [11275235, 11035006] ; National Natural Science Foundation of China [11275235, 11035006] ; Chinese Academy of Sciences (the Knowledge Innovation Project) [KJCX2-EW-N01] ; Chinese Academy of Sciences (the Knowledge Innovation Project) [KJCX2-EW-N01] ; Chinese Academy of Sciences (the Knowledge Innovation Project) [KJCX2-EW-N01] ; Chinese Academy of Sciences (the Knowledge Innovation Project) [KJCX2-EW-N01]
DOIhttp://dx.doi.org/10.1103/PhysRevD.92.034004
关键词[WOS]NUCLEON NUCLEON-INTERACTION ; MOLECULAR-STATES ; CHIRAL DYNAMICS ; EXCHANGE MODEL ; HEAVY MESONS ; LAMBDA(1405)
收录类别SCI
语种英语
资助者Major State Basic Research Development Program in China [2014CB845405] ; Major State Basic Research Development Program in China [2014CB845405] ; Major State Basic Research Development Program in China [2014CB845405] ; Major State Basic Research Development Program in China [2014CB845405] ; National Natural Science Foundation of China [11275235, 11035006] ; National Natural Science Foundation of China [11275235, 11035006] ; National Natural Science Foundation of China [11275235, 11035006] ; National Natural Science Foundation of China [11275235, 11035006] ; Chinese Academy of Sciences (the Knowledge Innovation Project) [KJCX2-EW-N01] ; Chinese Academy of Sciences (the Knowledge Innovation Project) [KJCX2-EW-N01] ; Chinese Academy of Sciences (the Knowledge Innovation Project) [KJCX2-EW-N01] ; Chinese Academy of Sciences (the Knowledge Innovation Project) [KJCX2-EW-N01] ; Major State Basic Research Development Program in China [2014CB845405] ; Major State Basic Research Development Program in China [2014CB845405] ; Major State Basic Research Development Program in China [2014CB845405] ; Major State Basic Research Development Program in China [2014CB845405] ; National Natural Science Foundation of China [11275235, 11035006] ; National Natural Science Foundation of China [11275235, 11035006] ; National Natural Science Foundation of China [11275235, 11035006] ; National Natural Science Foundation of China [11275235, 11035006] ; Chinese Academy of Sciences (the Knowledge Innovation Project) [KJCX2-EW-N01] ; Chinese Academy of Sciences (the Knowledge Innovation Project) [KJCX2-EW-N01] ; Chinese Academy of Sciences (the Knowledge Innovation Project) [KJCX2-EW-N01] ; Chinese Academy of Sciences (the Knowledge Innovation Project) [KJCX2-EW-N01]
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/20902
专题理论物理所SCI论文
通讯作者He, J (reprint author), Chinese Acad Sci, Inst Modern Phys, Div Theoret Phys, Lanzhou 730000, Peoples R China.
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GB/T 7714
He, J,He, J . Z(c)(3900) as a resonance from the D(D)over-bar* interaction[J]. PHYSICAL REVIEW D,2015,92(3):34004.
APA He, J,&He, J .(2015).Z(c)(3900) as a resonance from the D(D)over-bar* interaction.PHYSICAL REVIEW D,92(3),34004.
MLA He, J,et al."Z(c)(3900) as a resonance from the D(D)over-bar* interaction".PHYSICAL REVIEW D 92.3(2015):34004.
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