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Search for the Higgs boson in the H -> WW -> lvjj decay channel at root s=7 TeV with the ATLAS detector
ATLAS Collaboration
2012
发表期刊PHYSICS LETTERS B
卷号718期号:2页码:391-410
通讯作者Aad, G (reprint author), Univ Freiburg, Fak Math & Phys, Hugstetter Str 55, D-79106 Freiburg, Germany.
摘要A search for the Standard Model Higgs boson has been performed in the H -> WW -> lvjj channel using 4.7 fb(-1) of pp collision data recorded at a centre-of-mass energy of root s = 7 TeV with the ATLAS detector at the Large Hadron Collider. Higgs boson candidates produced in association with zero, one or two jets are included in the analysis to maximize the acceptance for both gluon fusion and weak boson fusion Higgs boson production processes. No significant excess of events is observed over the expected background and limits on the Higgs boson production cross section are derived for a Higgs boson mass in the range 300 GeV < m(H) < 600 GeV. The best sensitivity is reached for m(H) = 400 GeV, where the observed (expected) 95% confidence level upper bound on the cross section for H -> WW produced in association with zero or one jet is 2.2 pb (1.9 pb), corresponding to 1.9 (1.6) times the Standard Model prediction. In the Higgs boson plus two jets channel, which is more sensitive to the weak boson fusion process, the observed (expected) 95% confidence level upper bound on the cross section for H -> WW production with m(H) = 400 GeV is 0.7 pb (0.6 pb), corresponding to 7.9 (6.5) times the Standard Model prediction. (C) 2012 CERN. Published by Elsevier B.V. All rights reserved.
关键词MASSLESS PARTICLES BROKEN SYMMETRIES GAUGE
学科领域Physics
DOI10.1016/j.physletb.2012.10.066
收录类别SCI
语种英语
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000312687700015
引用统计
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/213412
专题实验物理中心
作者单位中国科学院高能物理研究所
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ATLAS Collaboration. Search for the Higgs boson in the H -> WW -> lvjj decay channel at root s=7 TeV with the ATLAS detector[J]. PHYSICS LETTERS B,2012,718(2):391-410.
APA ATLAS Collaboration.(2012).Search for the Higgs boson in the H -> WW -> lvjj decay channel at root s=7 TeV with the ATLAS detector.PHYSICS LETTERS B,718(2),391-410.
MLA ATLAS Collaboration."Search for the Higgs boson in the H -> WW -> lvjj decay channel at root s=7 TeV with the ATLAS detector".PHYSICS LETTERS B 718.2(2012):391-410.
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