Study of the decay phi -> f(0)(980)gamma -> pi (+) pi(-) gamma with the KLOE detector
文献类型:期刊论文
作者 | KLOE Collaboration |
刊名 | PHYSICS LETTERS B
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出版日期 | 2006 |
卷号 | 634期号:2--3页码:148-154 |
关键词 | COUPLED-CHANNEL ANALYSIS PI(-)PI(+)PI(+) DECAY MESONS PHI SEARCH STATES |
通讯作者 | Bacci, C (reprint author), Univ Roma La Sapienza, Dipartimento Fis, Rome, Italy. |
英文摘要 | We measured, with the KLOE detector, the spectrum of pi(+)pi(-) invariant mass in a sample of 6.7 x 10(5) e(+)e(-) -> pi(+)pi(-)gamma events with the photon at large polar angle (theta(gamma) > 45 degrees) at a centre of mass energy root s around the phi mass. We observe in this spectrum a clear contribution from the intermediate process phi -> f(0)(980)gamma. A sizeable effect is also observed in the distribution of the pion forward-backward asymmetry. We use different theoretical models to fit the spectrum and we determine the to mass and coupling constants to the phi, to pi(+)pi(-) and to KK. (c) 2006 Elsevier 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:000235859800011 |
公开日期 | 2016-02-26 |
源URL | [http://ir.ihep.ac.cn/handle/311005/212649] ![]() |
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 | KLOE Collaboration. Study of the decay phi -> f(0)(980)gamma -> pi (+) pi(-) gamma with the KLOE detector[J]. PHYSICS LETTERS B,2006,634(2--3):148-154. |
APA | KLOE Collaboration.(2006).Study of the decay phi -> f(0)(980)gamma -> pi (+) pi(-) gamma with the KLOE detector.PHYSICS LETTERS B,634(2--3),148-154. |
MLA | KLOE Collaboration."Study of the decay phi -> f(0)(980)gamma -> pi (+) pi(-) gamma with the KLOE detector".PHYSICS LETTERS B 634.2--3(2006):148-154. |
入库方式: OAI收割
来源:高能物理研究所
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