Study of charmonia in four-meson final states produced in two-photon collisions
Belle Collaboration
刊名EUROPEAN PHYSICAL JOURNAL C
2008
卷号53期号:1页码:1-14
关键词RELATIVISTIC QUARK-MODEL GAMMA-GAMMA ENERGIES BELLE LEP ETA(C) DECAYS
学科分类Physics
DOI10.1140/epjc/s10052-007-0451-z
通讯作者Uehara, S (reprint author), Budker Inst Nucl Phys, Novosibirsk 630090, Russia.
英文摘要We report measurements of charmonia produced in two-photon collisions and decaying to four-meson final states, where the meson is either a charged pion or a charged kaon. The analysis is based on a 395 fb(-1) data sample accumulated with the Belle detector at the KEKB electron-positron collider. We observe signals for the three C-even charmonia eta(c)(1S), chi(c0)(1P) and chi(c2)(1P) in the pi(+) pi(-) pi(+) pi(-), K+ K- pi(+) pi(-) and K+ K- K+ K- decay modes. No clear signals for eta(c)(2S) production are found in these decay modes. We have also studied resonant structures in charmonium decays to two-body intermediate meson resonances. We report the products of the two-photon decay width and the branching fractions, Gamma B-gamma gamma, for each of the charmonium decay modes.
类目[WOS]Physics, Particles & Fields
收录类别SCI
语种英语
WOS记录号WOS:000251382800001
引用统计
被引频次:17[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/311005/212836
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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Belle Collaboration. Study of charmonia in four-meson final states produced in two-photon collisions[J]. EUROPEAN PHYSICAL JOURNAL C,2008,53(1):1-14.
APA Belle Collaboration.(2008).Study of charmonia in four-meson final states produced in two-photon collisions.EUROPEAN PHYSICAL JOURNAL C,53(1),1-14.
MLA Belle Collaboration."Study of charmonia in four-meson final states produced in two-photon collisions".EUROPEAN PHYSICAL JOURNAL C 53.1(2008):1-14.
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