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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
发表期刊PHYSICS LETTERS B
语种英语
关键词r Value Fano Resonance Psi(3770)
摘要The 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
卷号747期号:0页码:321-324
学科领域Astronomy & Astrophysics ; Physics
DOIhttp://dx.doi.org/10.1016/j.physletb.2015.06.012
收录类别SCI
项目资助者National 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]
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/20911
专题理论物理所科研产出_SCI论文
通讯作者Cao, X (reprint author), Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China.
推荐引用方式
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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