ITP OpenIR  > SCI期刊论文
Chen, XZ; Lu, XF; Shi, RB; Guo, XR; Chen, XZ (reprint author), Shandong Univ Sci & Technol, Dept Fdn Courses, Tai An 271019, Shandong, Peoples R China.
Calculation of mass of Y (4140) by introducing mixed molecule state in quark model
Source PublicationNUCLEAR PHYSICS B
Language英语
AbstractUsing the general form of the Bethe-Salpeter wave functions for the bound states consisting of two vector fields given in our previous work, we investigate the molecular state composed of D-s*(+) D-s*(-). However, for the SU(3) symmetry the component D-s*(+) D-s*(-) is coupled with the other components D*(0)(D) over bar*(0) and D*(+) D*(-). Then we interpret the internal structure of the observed Y(4140) state as a mixed state of pure molecule states D*(0)(D) over bar*(0), D*(+) D*(-) and D-s*(+) D-s*(-) with quantum numbers J(P) = 0(+). In this paper, the operator product expansion is used to introduce the nonperturbative contribution from the vacuum condensates into the interaction between two heavy mesons. The calculated mass of Y (4140) is consistent with the experimental value, and we conclude that it is a more reasonable scenario to explain the structure of Y (4140) as a mixture of pure molecule states. (C) 2016 The Authors. Published by Elsevier B.V.
2016
Volume909Pages:243-259
Subject AreaPhysics
DOIhttp://dx.doi.org/10.1016/j.nuclphysb.2016.05.009
Indexed BySCI
Funding OrganizationA project of Shandong Province Higher Education Science and Technology program [J14LI58] ; A project of Shandong Province Higher Education Science and Technology program [J14LI58] ; A project of Shandong Province Higher Education Science and Technology program [J14LI58] ; A project of Shandong Province Higher Education Science and Technology program [J14LI58] ; Science and Technology Development Plan Project of Taian City [2015NS1048] ; Science and Technology Development Plan Project of Taian City [2015NS1048] ; Science and Technology Development Plan Project of Taian City [2015NS1048] ; Science and Technology Development Plan Project of Taian City [2015NS1048]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/21576
CollectionSCI期刊论文
Corresponding AuthorChen, XZ (reprint author), Shandong Univ Sci & Technol, Dept Fdn Courses, Tai An 271019, Shandong, Peoples R China.
Recommended Citation
GB/T 7714
Chen, XZ,Lu, XF,Shi, RB,et al. Calculation of mass of Y (4140) by introducing mixed molecule state in quark model[J]. NUCLEAR PHYSICS B,2016,909:243-259.
APA Chen, XZ,Lu, XF,Shi, RB,Guo, XR,&Chen, XZ .(2016).Calculation of mass of Y (4140) by introducing mixed molecule state in quark model.NUCLEAR PHYSICS B,909,243-259.
MLA Chen, XZ,et al."Calculation of mass of Y (4140) by introducing mixed molecule state in quark model".NUCLEAR PHYSICS B 909(2016):243-259.
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