Modelling Z -> tau tau processes in ATLAS with tau-embedded Z -> mu mu data
文献类型：期刊论文
| 作者 | ATLAS Collaboration |
| 刊名 | JOURNAL OF INSTRUMENTATION
 |
| 出版日期 | 2015 |
| 卷号 | 10页码:P09018 |
| 关键词 | Performance of High Energy Physics Detectors Simulation methods and programs Analysis and statistical methods |
| 英文摘要 | This paper describes the concept, technical realisation and validation of a largely data-driven method to model events with Z -> tau tau decays. In Z -> mu mu events selected from proton-proton collision data recorded at root s = 8 TeV with the ATLAS experiment at the LHC in 2012, the Z decay muons are replaced by tau leptons from simulated Z -> tau tau decays at the level of reconstructed tracks and calorimeter cells. The tau lepton kinematics are derived from the kinematics of the original muons. Thus, only the well-understood decays of the Z boson and tau leptons as well as the detector response to the tau decay products are obtained from simulation. All other aspects of the event, such as the Z boson and jet kinematics as well as effects from multiple interactions, are given by the actual data. This so-called tau-embedding method is particularly relevant for Higgs boson searches and analyses in tau tau final states, where Z -> tau tau decays constitute a large irreducible background that cannot be obtained directly from data control samples. In this paper, the relevant concepts are discussed based on the implementation used in the ATLAS Standard Model H -> tau tau analysis of the full datataset recorded during 2011 and 2012. |
| 学科主题 | Instruments & Instrumentation |
| 类目[WOS] | Instruments & Instrumentation |
| 收录类别 | SCI ; EI |
| WOS记录号 | WOS:000362421300021 |
| 公开日期 | 2016-05-03 |
| 源URL | [http://ir.ihep.ac.cn/handle/311005/228793]  |
| 专题 | 高能物理研究所_实验物理中心 |
| 推荐引用方式 GB/T 7714 | ATLAS Collaboration. Modelling Z -> tau tau processes in ATLAS with tau-embedded Z -> mu mu data[J]. JOURNAL OF INSTRUMENTATION,2015,10:P09018. |
| APA | ATLAS Collaboration.(2015).Modelling Z -> tau tau processes in ATLAS with tau-embedded Z -> mu mu data.JOURNAL OF INSTRUMENTATION,10,P09018. |
| MLA | ATLAS Collaboration."Modelling Z -> tau tau processes in ATLAS with tau-embedded Z -> mu mu data".JOURNAL OF INSTRUMENTATION 10(2015):P09018. |
入库方式： OAI收割
来源：高能物理研究所
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