Search for the Standard Model Higgs boson produced in association with top quarks and decaying into in collisions at with the ATLAS detector
ATLAS Collaboration
刊名EUROPEAN PHYSICAL JOURNAL C
2015
卷号75期号:7页码:349
学科分类Physics
DOI10.1140/epjc/s10052-015-3543-1
文章类型Article
英文摘要A search for the Standard Model Higgs boson produced in association with a top-quark pair, , is presented. The analysis uses 20.3 fb(-1) of pp collision data at , collected with the ATLAS detector at the Large Hadron Collider during 2012. The search is designed for the decay mode and uses events containing one or two electrons or muons. In order to improve the sensitivity of the search, events are categorised according to their jet and b-tagged jet multiplicities. A neural network is used to discriminate between signal and background events, the latter being dominated by +jets production. In the single-lepton channel, variables calculated using a matrix element method are included as inputs to the neural network to improve discrimination of the irreducible background. No significant excess of events above the background expectation is found and an observed (expected) limit of 3.4 (2.2) times the Standard Model cross section is obtained at 95 % confidence level. The ratio of the measured signal cross section to the Standard Model expectation is found to be assuming a Higgs boson mass of 125 Gev.
类目[WOS]Physics, Particles & Fields
收录类别SCI
WOS记录号WOS:000358606700001
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被引频次:17[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/228565
专题中国科学院高能物理研究所_实验物理中心_期刊论文
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ATLAS Collaboration. Search for the Standard Model Higgs boson produced in association with top quarks and decaying into in collisions at with the ATLAS detector[J]. EUROPEAN PHYSICAL JOURNAL C,2015,75(7):349.
APA ATLAS Collaboration.(2015).Search for the Standard Model Higgs boson produced in association with top quarks and decaying into in collisions at with the ATLAS detector.EUROPEAN PHYSICAL JOURNAL C,75(7),349.
MLA ATLAS Collaboration."Search for the Standard Model Higgs boson produced in association with top quarks and decaying into in collisions at with the ATLAS detector".EUROPEAN PHYSICAL JOURNAL C 75.7(2015):349.
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