Evidence for psi ' Decays into gamma pi(0) and gamma eta
文献类型：期刊论文
| 作者 | BESIII Collaboration |
| 刊名 | PHYSICAL REVIEW LETTERS
 |
| 出版日期 | 2010 |
| 卷号 | 105期号:26 |
| 关键词 | RADIATIVE DECAYS QUANTUM CHROMODYNAMICS PSEUDOSCALAR MESONS EXCLUSIVE PROCESSES PHOTON STATES QCD |
| 通讯作者 | Ablikim, M (reprint author), Inst High Energy Phys, Beijing 100049, Peoples R China. |
| 英文摘要 | The decays psi' -> gamma pi(0), gamma eta and gamma eta' are studied using data collected with the BESIII detector at the BEPCII e(+)e(-) collider. The processes psi' -> gamma pi(0) and psi' -> gamma eta are observed for the first time with signal significances of 4.6 sigma and 4.3 sigma, respectively. The branching fractions are determined to be B(psi' -> gamma pi(0)) = (1.58 +/- 0.40 +/- 0.13) X 10(-6), B(psi' -> gamma eta) = (1.38 +/- 0.48 +/- 0.09 +/- 10(-6)) and B(psi' -> gamma eta') = (126 +/- 3 +/- 8) X 10(-6), where the first errors are statistical and the second ones systematic. |
| 学科主题 | Physics |
| 类目[WOS] | Physics, Multidisciplinary |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000286754700003 |
| 公开日期 | 2016-02-26 |
| 源URL | [http://ir.ihep.ac.cn/handle/311005/213005]  |
| 专题 | 高能物理研究所_实验物理中心 |
| 作者单位 | 中国科学院高能物理研究所 |
| 推荐引用方式 GB/T 7714 | BESIII Collaboration. Evidence for psi ' Decays into gamma pi(0) and gamma eta[J]. PHYSICAL REVIEW LETTERS,2010,105(26). |
| APA | BESIII Collaboration.(2010).Evidence for psi ' Decays into gamma pi(0) and gamma eta.PHYSICAL REVIEW LETTERS,105(26). |
| MLA | BESIII Collaboration."Evidence for psi ' Decays into gamma pi(0) and gamma eta".PHYSICAL REVIEW LETTERS 105.26(2010). |
入库方式： OAI收割
来源：高能物理研究所
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