Measurement of tau polarization in W -> tau nu decays with the ATLAS detector in pp collisions at root s=7 TeV | |
ATLAS collaboration | |
刊名 | EUROPEAN PHYSICAL JOURNAL C
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2012 | |
卷号 | 72期号:7 |
关键词 | MODEL HIGGS-BOSON PAIR PRODUCTION LIBRARY TAUOLA CROSS-SECTION LHC PHYSICS |
通讯作者 | Aad, G (reprint author), SUNY Albany, Albany, NY 12222 USA. |
英文摘要 | In this paper, a measurement of tau polarization in W -> tau nu decays is presented. It is measured from the energies of the decay products in hadronic tau decays with a single final state charged particle. The data, corresponding to an integrated luminosity of 24 pb(-1), were collected by the ATLAS experiment at the Large Hadron Collider in 2010. The measured value of the tau polarization is P-tau = -1.06 +/- 0.04 (stat)(-0.07)(+0.05) (syst), in agreement with the Standard Model prediction, and is consistent with a physically allowed 95 % CL interval [-1,-0.91]. Measurements of tau polarization have not previously been made at hadron colliders. |
学科主题 | Physics |
类目[WOS] | Physics, Particles & Fields |
收录类别 | SCI |
语种 | 英语 |
WOS记录号 | WOS:000307269400009 |
公开日期 | 2016-02-26 |
内容类型 | 期刊论文 |
源URL | [http://ir.ihep.ac.cn/handle/311005/213305] ![]() |
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 | ATLAS collaboration. Measurement of tau polarization in W -> tau nu decays with the ATLAS detector in pp collisions at root s=7 TeV[J]. EUROPEAN PHYSICAL JOURNAL C,2012,72(7). |
APA | ATLAS collaboration.(2012).Measurement of tau polarization in W -> tau nu decays with the ATLAS detector in pp collisions at root s=7 TeV.EUROPEAN PHYSICAL JOURNAL C,72(7). |
MLA | ATLAS collaboration."Measurement of tau polarization in W -> tau nu decays with the ATLAS detector in pp collisions at root s=7 TeV".EUROPEAN PHYSICAL JOURNAL C 72.7(2012). |
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