The R-uds value in the vicinity of psi(3770) state
文献类型：期刊论文
| 作者 | Wang, R; Cao, X; Chen, XR |
| 刊名 | PHYSICS LETTERS B
 |
| 出版日期 | 2015 |
| 卷号 | 747期号:0页码:321-324 |
| 关键词 | R value Fano resonance psi(3770) |
| 通讯作者 | Cao, X (reprint author), Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China. |
| 英文摘要 | 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. |
| 学科主题 | Astronomy & Astrophysics ; Physics |
| 类目[WOS] | Astronomy & Astrophysics ; Physics, Nuclear ; Physics, Particles & Fields |
| 关键词[WOS] | BRANCHING FRACTION ; CROSS-SECTIONS ; E(+)E(-) ; D(D)OVER-BAR ; RESONANCE ; RATIO ; PSI |
| 收录类别 | SCI |
| 语种 | 英语 |
| 源URL | [http://ir.itp.ac.cn/handle/311006/20911]  |
| 专题 | 理论物理研究所_理论物理所1978-2010年知识产出 |
| 推荐引用方式 GB/T 7714 | Wang, R,Cao, X,Chen, XR. 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.(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. |
入库方式： OAI收割
来源：理论物理研究所
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