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Anomalous line shape of the cross section for e(+)e(-)-> hadrons in the center-of-mass energy region between 3.650 and 3.872 GeV
BES Callaboration
2008
发表期刊PHYSICAL REVIEW LETTERS
卷号101期号:10
通讯作者Ablikim, M (reprint author), Inst High Energy Phys, Beijing 100049, Peoples R China.
摘要We observe an obvious anomalous line shape of the e(+)e(-)-> hadrons total cross sections in the energy region between 3.700 and 3.872 GeV. It is inconsistent with the explanation for only one simple psi(3770) resonance with a statistical significance of 7 sigma. The anomalous line shape may be explained by two possible enhancements of the inclusive hadron production near the center-of-mass energies of 3.764 and 3.779 GeV, indicating that either there is likely a new structure in addition to the psi(3770) resonance around 3.773 GeV, or there are some physics effects reflecting the D (D) over bar production dynamics.
关键词BRANCHING FRACTION J/PSI-PI(+)PI(-)
学科领域Physics
DOI10.1103/PhysRevLett.101.102004
收录类别SCI
语种英语
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000258975100015
引用统计
被引频次:23[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/311005/212869
专题实验物理中心
作者单位中国科学院高能物理研究所
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BES Callaboration. Anomalous line shape of the cross section for e(+)e(-)-> hadrons in the center-of-mass energy region between 3.650 and 3.872 GeV[J]. PHYSICAL REVIEW LETTERS,2008,101(10).
APA BES Callaboration.(2008).Anomalous line shape of the cross section for e(+)e(-)-> hadrons in the center-of-mass energy region between 3.650 and 3.872 GeV.PHYSICAL REVIEW LETTERS,101(10).
MLA BES Callaboration."Anomalous line shape of the cross section for e(+)e(-)-> hadrons in the center-of-mass energy region between 3.650 and 3.872 GeV".PHYSICAL REVIEW LETTERS 101.10(2008).
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