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Evidence for resonant structures in e(+)e(-)->pi(+)pi(-)h(c)
苑长征;Yuan, CZ
2014
发表期刊CHINESE PHYSICS C
卷号38期号:4页码:43001
摘要The cross sections of e(+)e(-)->pi(+)pi(-) at center-of-mass energies from 3.90 to 4.42 GeV were measured by the BESII and the CLEO-c experiments. Resonant structures are evident in the e(+)e(-)->pi(+)pi(-)h(c) line shape. The fit to the line shape results in a narrow structure at a mass of (4216 +/- 18) MeV/c(2) and a width of (39 +/- 32) MeV, and a possible wide structure of mass (4293 +/- 9) MeV/c(2) and width (222 +/- 67) MeV. Here, the errors are combined statistical and systematic errors. This may indicate that the Y(4260) state observed in e(+)e(-)->pi(+)pi(-) J/psi has a fine structure in it.
关键词charmonium chramoniumlike states e(+)e(-) annihilation Exotics Hybrids
学科领域Physics
DOI10.1088/1674-1137/38/4/043001
收录类别SCI
WOS记录号WOS:000333547500001
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被引频次:37[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/311005/224917
专题实验物理中心
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苑长征;Yuan, CZ. Evidence for resonant structures in e(+)e(-)->pi(+)pi(-)h(c)[J]. CHINESE PHYSICS C,2014,38(4):43001.
APA 苑长征;Yuan, CZ.(2014).Evidence for resonant structures in e(+)e(-)->pi(+)pi(-)h(c).CHINESE PHYSICS C,38(4),43001.
MLA 苑长征;Yuan, CZ."Evidence for resonant structures in e(+)e(-)->pi(+)pi(-)h(c)".CHINESE PHYSICS C 38.4(2014):43001.
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