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Wang, R; Cao, X; Chen, XR; Cao, X (reprint author), Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China.
The R-uds value in the vicinity of psi(3770) state
Source PublicationPHYSICS LETTERS B
Language英语
Keywordr Value Fano Resonance Psi(3770)
AbstractThe anomalous line shape of the psi(3770) state has resulted in some difficulty in the determination of the R value for the continuum light hadron production in the resonance energy range. We parameterize the asymmetric line shape using a Fano-type formula and extract the R-uds value to be 2.156 +/- 0.022 from the data of BESIII Collaboration in the energy region between 3.650 and 3.872 GeV. The small discrepancy between experiment and theory is removed. The cross sections of the e(+)e(-) -> hadrons with continuum light hadron production subtracted are given and compared to the data of the e(+)e(-) -> D (D) over bar reaction. (C) 2015 The Authors. Published by Elsevier B.V.
2015
Volume747Issue:0Pages:321-324
Subject AreaAstronomy & Astrophysics ; Physics
DOIhttp://dx.doi.org/10.1016/j.physletb.2015.06.012
Indexed BySCI
Funding OrganizationNational Basic Research Program (973 Program) [2014CB845406] ; National Basic Research Program (973 Program) [2014CB845406] ; National Basic Research Program (973 Program) [2014CB845406] ; National Basic Research Program (973 Program) [2014CB845406] ; National Natural Science Foundation of China [11347146, 11405222, 11275235, 11175220] ; National Natural Science Foundation of China [11347146, 11405222, 11275235, 11175220] ; National Natural Science Foundation of China [11347146, 11405222, 11275235, 11175220] ; National Natural Science Foundation of China [11347146, 11405222, 11275235, 11175220] ; Century Program of Chinese Academy of Sciences [Y101020BR0] ; Century Program of Chinese Academy of Sciences [Y101020BR0] ; Century Program of Chinese Academy of Sciences [Y101020BR0] ; Century Program of Chinese Academy of Sciences [Y101020BR0]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/20911
Collection理论物理所科研产出_SCI论文
Corresponding AuthorCao, X (reprint author), Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China.
Recommended Citation
GB/T 7714
Wang, R,Cao, X,Chen, XR,et al. The R-uds value in the vicinity of psi(3770) state[J]. PHYSICS LETTERS B,2015,747(0):321-324.
APA Wang, R,Cao, X,Chen, XR,&Cao, X .(2015).The R-uds value in the vicinity of psi(3770) state.PHYSICS LETTERS B,747(0),321-324.
MLA Wang, R,et al."The R-uds value in the vicinity of psi(3770) state".PHYSICS LETTERS B 747.0(2015):321-324.
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