Combined fit to BABAR and Belle data on e(+)e(-)->pi(+)pi(-)psi(2S)
文献类型：期刊论文
| 作者 | Liu ZQ(刘正全); Qin XS(秦小帅) ; Yuan ZZ(苑长征); Liu, ZQ; Qin, XS; Yuan, CZ
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| 刊名 | PHYSICAL REVIEW D
 |
| 出版日期 | 2008 |
| 卷号 | 78期号:1页码:14032 |
| 通讯作者 | [Liu, Z. Q. ; Qin, X. S. ; Yuan, C. Z.] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China ; [Qin, X. S.] Shandong Univ, Jinan 250100, Peoples R China ; [Liu, Z. Q.] Huazhong Normal Univ, Wuhan 430079, Peoples R China |
| 英文摘要 | A combined fit is performed to the BABAR and Belle measurements of the e(+)e(-)->pi(+)pi(-)psi(2S) cross sections for center-of-mass energy between threshold and 5.5 GeV. The resonant parameters of the Y(4360) and Y(4660) are determined. The mass is 4355(-10)(+9)+/- 9 MeV/c(2) and the width is 103(-15)(+17)+/- 11 MeV/c(2) for the Y(4360), and the mass is 4661(-8)(+9)+/- 6 MeV/c(2) and the width is 42(-12)(+17)+/- 6 MeV/c(2) for the Y(4660). The production of the Y(4260) in pi(+)pi(-)psi(2S) mode is found to be at 2 sigma level, and B(Y(4260)->pi(+)pi(-)psi(2S))center dot Gamma(+)(e)e(-) is found to be less than 4.3 eV/c(2) at the 90% confidence level, or equal to 7.4(-1.7)(+2.1) eV/c(2) depending on whether it interferes with the Y(4360) constructively or destructively. This information will shed light on the understanding of the nature of the Y states observed in initial state radiation processes. |
| 学科主题 | Astronomy & Astrophysics; Physics |
| 类目[WOS] | Astronomy & Astrophysics ; Physics, Particles & Fields |
| 研究领域[WOS] | Astronomy & Astrophysics ; Physics |
| 原文出处 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000258636400063 |
| 源URL | [http://ir.ihep.ac.cn/handle/311005/240444]  |
| 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 | Liu ZQ,Qin XS,Yuan ZZ,et al. Combined fit to BABAR and Belle data on e(+)e(-)->pi(+)pi(-)psi(2S)[J]. PHYSICAL REVIEW D,2008,78(1):14032. |
| APA | 刘正全,秦小帅,苑长征,Liu, ZQ,Qin, XS,&Yuan, CZ.(2008).Combined fit to BABAR and Belle data on e(+)e(-)->pi(+)pi(-)psi(2S).PHYSICAL REVIEW D,78(1),14032. |
| MLA | 刘正全,et al."Combined fit to BABAR and Belle data on e(+)e(-)->pi(+)pi(-)psi(2S)".PHYSICAL REVIEW D 78.1(2008):14032. |
入库方式： OAI收割
来源：高能物理研究所
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