Observation of Two New N* Resonances in the Decay psi(3686) -> p(p)over-bar pi(0)
BESIII Callaboration
刊名PHYSICAL REVIEW LETTERS
2013
卷号110期号:2
关键词PARTIAL-WAVE ANALYSIS BARYONS MODEL
学科分类Physics
DOI10.1103/PhysRevLett.110.022001
通讯作者Ablikim, M (reprint author), Inst High Energy Phys, Beijing 100049, Peoples R China.
英文摘要Based on 106 x 10(6)psi(3686) events collected with the BESIII detector at the BEPCII facility, a partial wave analysis of psi(3686) -> p (p) over bar pi(0) is performed. The branching fraction of this channel has been determined to be B psi(3686) -> p (p) over bar pi(0) = (1.65 +/- 0.03 +/- 0.15) x 10(-4). In this decay, 7 N* intermediate resonances are observed. Among these, two new resonances, N(2300) and N(2570) are significant, one 1/2(+) resonance with a mass of 2300(-30-0)(+40+109) MeV/c(2) and width of 340(-30-58)(+30+110) MeV/c(2), and one 5/2(-) resonance with a mass of 2570(-10-10)(+19+34) MeV/c(2) and width of 250(-24-21)(+14+69) MeV/c(.)(2) For the remaining 5 N* intermediate resonances [N(1440), N(1520), N(1535), N(1650) and N(1720)], the analysis yields mass and width values that are consistent with those from established resonances. DOI: 10.1103/PhysRevLett.110.022001
类目[WOS]Physics, Multidisciplinary
收录类别SCI
语种英语
WOS记录号WOS:000313422000004
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被引频次:21[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/213435
专题中国科学院高能物理研究所_实验物理中心_期刊论文
作者单位中国科学院高能物理研究所
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BESIII Callaboration. Observation of Two New N* Resonances in the Decay psi(3686) -> p(p)over-bar pi(0)[J]. PHYSICAL REVIEW LETTERS,2013,110(2).
APA BESIII Callaboration.(2013).Observation of Two New N* Resonances in the Decay psi(3686) -> p(p)over-bar pi(0).PHYSICAL REVIEW LETTERS,110(2).
MLA BESIII Callaboration."Observation of Two New N* Resonances in the Decay psi(3686) -> p(p)over-bar pi(0)".PHYSICAL REVIEW LETTERS 110.2(2013).
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