Measurement of chi(c2) production in two-photon collisions
文献类型：期刊论文
| 作者 | Belle Collaboration |
| 刊名 | PHYSICS LETTERS B
 |
| 出版日期 | 2002 |
| 卷号 | 540期号:1--2页码:33-42 |
| 关键词 | ELECTRON-POSITRON COLLISIONS LOWEST-ORDER CALCULATIONS RADIATIVE-CORRECTIONS MONTE-CARLO MESONS RESONANCE DECAYS LEP |
| 通讯作者 | Abe, K (reprint author), KEK, High Energy Accelerator Res Org, Tsukuba, Ibaraki, Japan. |
| 英文摘要 | The production of the chi(c2) charmonium state in two-photon collisions has been measured with the Belle detector at the KEKB e(+)e(-) collider. A clear signal for chi(c2) --> gammaJ/psi, J/psi --> l(+)l(-) is observed in a 32.6 fb(-1) data sample accumulated at center-of-mass energies near 10.6 GeV, and the product of its two-photon decay width and branching fraction is determined to be Gammagammagamma(chi(c2))B(chi(c2) --> gammaJ/psi)B(J/psi --> l(+)l(-)) = 13.5 +/- 1.3(stat.) +/- 1.1(syst.) eV. (C) 2002 Elsevier Science B.V. All rights reserved. |
| 学科主题 | Physics |
| 类目[WOS] | Physics, Multidisciplinary |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000177203200006 |
| 公开日期 | 2016-02-26 |
| 源URL | [http://ir.ihep.ac.cn/handle/311005/212222]  |
| 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 | Belle Collaboration. Measurement of chi(c2) production in two-photon collisions[J]. PHYSICS LETTERS B,2002,540(1--2):33-42. |
| APA | Belle Collaboration.(2002).Measurement of chi(c2) production in two-photon collisions.PHYSICS LETTERS B,540(1--2),33-42. |
| MLA | Belle Collaboration."Measurement of chi(c2) production in two-photon collisions".PHYSICS LETTERS B 540.1--2(2002):33-42. |
入库方式： OAI收割
来源：高能物理研究所
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