Search for gamma gamma decays of a Higgs boson produced in association with a fermion pair in e(+)e(-) collisions at LEP
文献类型：期刊论文
| 作者 | ALEPH Collaboration |
| 刊名 | PHYSICS LETTERS B
 |
| 出版日期 | 2000 |
| 卷号 | 487期号:3--4页码:241-252 |
| 关键词 | MONTE-CARLO BHABHA SCATTERING EVENT GENERATION TEVATRON PHYSICS |
| 通讯作者 | Barate, R (reprint author), LAPP, CNRS, IN2P3, Phys Particules Lab, F-74019 Annecy Le Vieux, France. |
| 英文摘要 | A search for yy decays of a Higgs boson is performed in the data sample collected at LEP with the ALEPH detector between 1991 and 1999. This corresponds to an integrated luminosity of 672pb(-1) at centre-of-mass energies ranging from 88 to 202 GeV. The search is based on topologies arising from a Higgs boson produced in association with a fermion pair via the Higgs-strahlung process e(+)e(-)--> Hf (f) over bar with f (f) over bar = nu<(nu)over bar>, e(+)e(-), mu(+)mu(-),tau(+)tau(-) or q (q) over bar. Twenty-two events are selected in the data, while 28 events are expected from standard model processes. An upper limit is derived, as a function of the Higgs boson mass, on the product of the e(+)e(-)--> Hf (f) over bar: cross section and the H --> gamma gamma branching fraction. In particular, a fermiophobic Higgs boson produced with the standard model cross section is excluded at 95% confidence level for all masses below 100.7 GeV/c(2). (C) 2000 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:000089046600005 |
| 公开日期 | 2016-02-25 |
| 源URL | [http://ir.ihep.ac.cn/handle/311005/212065]  |
| 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 | ALEPH Collaboration. Search for gamma gamma decays of a Higgs boson produced in association with a fermion pair in e(+)e(-) collisions at LEP[J]. PHYSICS LETTERS B,2000,487(3--4):241-252. |
| APA | ALEPH Collaboration.(2000).Search for gamma gamma decays of a Higgs boson produced in association with a fermion pair in e(+)e(-) collisions at LEP.PHYSICS LETTERS B,487(3--4),241-252. |
| MLA | ALEPH Collaboration."Search for gamma gamma decays of a Higgs boson produced in association with a fermion pair in e(+)e(-) collisions at LEP".PHYSICS LETTERS B 487.3--4(2000):241-252. |
入库方式： OAI收割
来源：高能物理研究所
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