期刊
PHYSICS LETTERS B
卷 749, 期 -, 页码 519-541出版社
ELSEVIER
DOI: 10.1016/j.physletb.2015.07.079
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资金
- ANPCyT, Argentina
- YerPhI, Armenia
- ARC, Australia
- BMWFW, Austria
- FWF, Austria
- ANAS, Azerbaijan
- SSTC, Belarus
- CNPq, Brazil
- FAPESP, Brazil
- NSERC, Canada
- NRC, Canada
- CFI, Canada
- CERN, Chile
- CONICYT, Chile
- CAS, China
- MOST, China
- NSFC, China
- COLCIENCIAS, Colombia
- MSMT CR, Czech Republic
- VSC CR, Czech Republic
- DNRF, Denmark
- DNSRC, Denmark
- Lundbeck Foundation, Denmark
- EPLANET, European Union
- ERC, European Union
- NSRF, European Union
- IN2P3-CNRS, France
- CEA-DSM/IRFU, France
- GNSF, Georgia
- BMBF, Germany
- DFG, Germany
- HGF, Germany
- MPG, Germany
- AvH Foundation, Germany
- GSRT, Greece
- NSRF, Greece
- RGC, China
- Hong Kong SAR, China
- ISF, Israel
- MINERVA, Israel
- GIF, Israel
- I-CORE, Israel
- Benoziyo Center, Israel
- INFN, Italy
- MEXT, Japan
- JSPS, Japan
- CNRST, Morocco
- FOM, Netherlands
- NWO, Netherlands
- BRF, Norway
- RCN, Norway
- MNiSW, Poland
- NCN, Poland
- GRICES, Portugal
- FCT, Portugal
- MNE/IFA, Romania
- MES of Russia
- NRC KI, Russian Federation
- JINR
- MSTD, Serbia
- MSSR, Slovakia
- ARRS, Slovenia
- MIZS, Slovenia
- DST/NRF, South Africa
- MINECO, Spain
- SRC, Sweden
- Wallenberg Foundation, Sweden
- SER, Switzerland
- SNSF, Switzerland
- Canton of Bern, Switzerland
- Canton of Geneva, Switzerland
- NSC, Taiwan
- TAEK, Turkey
- STFC, United Kingdom
- Royal Society and Leverhulme Trust, United Kingdom
- DOE, United States of America
- NSF, United States of America
- Fundação para a Ciência e a Tecnologia [CERN/FIS-NUC/0005/2015] Funding Source: FCT
- Grants-in-Aid for Scientific Research [24684016] Funding Source: KAKEN
- Direct For Mathematical & Physical Scien
- Division Of Physics [1506173] Funding Source: National Science Foundation
- Division Of Physics
- Direct For Mathematical & Physical Scien [1119200] Funding Source: National Science Foundation
- Science and Technology Facilities Council [ST/K000705/1, ST/N000420/1, ST/J005576/1, ST/K001310/1 LHCb Upgrades, ST/M006980/1 ATLAS Upgrades, ST/K001388/1, ST/I000186/1, ST/I006080/1, ST/N000307/1, ST/J004928/1, PP/E003087/1, ST/H00100X/2, ST/L001144/1, ST/M004821/1, PP/E002846/1, ST/L000326/1, ST/M001733/1, ST/J00474X/1 ATLAS Upgrades, 1334588, ST/K001310/1, PP/E000444/1, 1201187, 1082012, GRIDPP, ST/K00073X/1, ST/M002306/1, ST/L001179/1 ATLAS Upgrade, ST/K001310/1 ATLAS Upgrades, ST/K001361/1 ATLAS Upgrades, ST/I006056/1 ATLAS Upgrade, ST/I006056/1 ATLAS Upgrades, PP/E000355/1, ST/K50208X/1, ST/J005487/1, ST/J004928/1 ATLAS Upgrades, ST/H00100X/1, ST/L000970/1, ST/K001361/1 LHCb, ST/J004928/1 ATLAS Upgrade, ST/L003511/1, ST/K001310/1 LHCb, ST/K001426/1 ATLAS, ST/K00140X/1, 1575161, ST/K001329/1, ATLAS, ST/K001418/1, ST/I006056/1, ST/M001504/1, ST/J004944/1, 1366364, ST/N000277/1, ST/L003414/1, ST/H001093/2, ST/N000463/1, ST/L001179/1, ST/K00137X/1, ST/L001209/1 ATLAS Upgrades, ST/G502320/1, ST/M001431/1, ST/I00372X/1 GRIDPP, ST/L000970/1 ATLAS Upgrades, ST/M004821/1 GRIDPP, ST/L003325/1, ST/I00372X/1, ST/J00474X/1, PP/E000347/1, ST/K001361/1 LHCb Upgrades, ST/L003112/1, ST/L00352X/1, ST/H001093/1, 1366825, ST/K001361/1, ST/K001302/1, ST/K001264/1 ATLAS, ST/I005803/1 GRIDPP, ST/M000761/1, ST/K001248/1, ST/K001361/1 ATLAS, ST/M003213/1, ST/G50228X/1, ST/L001195/1, ST/M001407/1, ST/M002306/1 ATLAS Upgrades, ST/L000970/1 ATLAS Upgrade, ST/I000178/1, ST/K003658/1 GRIDPP, ST/M006980/1, ST/M002071/1 ATLAS Upgrades, 1521422, PP/D002915/1, ST/J005525/1, ST/M001474/1, ST/M000664/1, ST/J501074/1, ST/K003658/1, ST/L001179/1 ATLAS Upgrades, ST/M503575/1, ST/I005803/1, ST/L006480/1, ST/M007103/1 ATLAS Upgrades, ST/K001310/1 ATLAS, ST/K001361/1 MINOS/MINOS+] Funding Source: researchfish
- STFC [ST/L003414/1, ST/L001179/1, ST/K003658/1, ST/I00372X/1, ST/J004928/1, PP/E002846/1, PP/D002915/1, ST/M004821/1, ST/K50208X/1, ST/N000420/1, PP/E000355/1, ST/M003213/1, ST/H00100X/1, ST/L001144/1, ST/H00100X/2, PP/E000347/1, ST/L006480/1, ST/I006056/1, ST/K00137X/1, ST/K00073X/1, ST/K001248/1, ST/G50228X/1, ST/H001093/2, ST/M001431/1, ST/K001329/1, ST/M001733/1, ST/K001388/1, ST/N000277/1, ST/K001361/1, ST/L000970/1, ST/M000664/1, ST/J005576/1, ST/M000761/1, ST/L00352X/1, ST/M503575/1, ST/M002306/1, ST/L003511/1, ST/K001302/1, ST/L003325/1, ST/J004944/1, ST/K00140X/1, ST/M001504/1, ST/J00474X/1, ST/N000463/1, ST/J501074/1, ST/L000326/1, ST/M006980/1, ST/M001407/1, ST/K000705/1, ST/J005525/1, ST/J005487/1, ST/N000307/1, ST/H001093/1, ST/L001195/1, ST/I006080/1, ST/G502320/1, ST/I005803/1, PP/E003087/1, ST/I000186/1, ST/I000178/1, ST/L003112/1] Funding Source: UKRI
- ICREA Funding Source: Custom
A search for the associated production of the Higgs boson with a top quark pair is performed in multilepton final states using 20.3 fb(-1) of proton-proton collision data recorded by the ATLAS experiment at root s = 8 TeVat the Large Hadron Collider. Five final states, targeting the decays H -> WW*, tau tau, and ZZ*, are examined for the presence of the Standard Model (SM) Higgs boson: two same-charge light leptons (e or mu) without a hadronically decaying tau lepton; three light leptons; two same-charge light leptons with a hadronically decaying tau lepton; four light leptons; and one light lepton and two hadronically decaying tau leptons. No significant excess of events is observed above the background expectation. The best fit for the t (t) over barH production cross section, assuming a Higgs boson mass of 125 GeV, is 2.1(-1.2)(+1.4) times the SM expectation, and the observed (expected) upper limit at the 95% confidence level is 4.7 (2.4) times the SM rate. The p-value for compatibility with the background-only hypothesis is 1.8s; the expectation in the presence of a Standard Model signal is 0.9 sigma. (C) 2015 CERN for the benefit of the ATLAS Collaboration. Published by Elsevier B.V.
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