Observation of e(+) e(-) -> gamma chi(c1) and search for e(+) e(-) -> gamma chi(c0), gamma chi(c2), and gamma eta(c) at root s near 10.6 GeV at Belle
文献类型:期刊论文
作者 | Belle Collaboration |
刊名 | PHYSICAL REVIEW D |
出版日期 | 2018 |
卷号 | 98期号:9页码:92015 |
ISSN号 | 2470-0010 |
DOI | 10.1103/PhysRevD.98.092015 |
文献子类 | Article |
英文摘要 | Using data samples of 89.5 fb(-1), 711.0 fb(-1), and 121.4 fb(-1) collected with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider at center-of-mass energies 10.52, 10.58, and 10.867 GeV, respectively, we study the exclusive reactions e(+)e(-) -> gamma chi(cJ) (J = 0, 1, 2) and e(+)e(-) -> gamma chi(c). A significant gamma chi(c1) signal is observed for the first time at root s = 10.58 GeV with a significance of 5.1 sigma including systematic uncertainties. No significant excesses for gamma chi(c0), gamma chi(c2), and gamma chi(c) final states are found, and we set 90% credibility level upper limits on the Born cross sections (sigma(B)) at 10.52 GeV, 10.58 GeV, and 10.867 GeV. Together with cross sections measured by BESIII at lower center-of-mass energies, the energy dependency of sigma(B) (e(+)e(-) -> gamma chi(c1)) thorn is obtained. |
电子版国际标准刊号 | 2470-0029 |
WOS研究方向 | Astronomy & Astrophysics ; Physics |
语种 | 英语 |
WOS记录号 | WOS:000451994500001 |
源URL | [http://ir.ihep.ac.cn/handle/311005/286920] |
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. Observation of e(+) e(-) -> gamma chi(c1) and search for e(+) e(-) -> gamma chi(c0), gamma chi(c2), and gamma eta(c) at root s near 10.6 GeV at Belle[J]. PHYSICAL REVIEW D,2018,98(9):92015. |
APA | Belle Collaboration.(2018).Observation of e(+) e(-) -> gamma chi(c1) and search for e(+) e(-) -> gamma chi(c0), gamma chi(c2), and gamma eta(c) at root s near 10.6 GeV at Belle.PHYSICAL REVIEW D,98(9),92015. |
MLA | Belle Collaboration."Observation of e(+) e(-) -> gamma chi(c1) and search for e(+) e(-) -> gamma chi(c0), gamma chi(c2), and gamma eta(c) at root s near 10.6 GeV at Belle".PHYSICAL REVIEW D 98.9(2018):92015. |
入库方式: OAI收割
来源:高能物理研究所
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