期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 5, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP05(2016)160
关键词
Hadron-Hadron scattering (experiments)
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
- CONICYT, Chile
- CAS, China
- MOST, China
- NSFC, China
- COLCIENCIAS, Colombia
- MSMT CR, Czech Republic
- MPO CR, Czech Republic
- VSC CR, Czech Republic
- DNRF, Denmark
- DNSRC, Denmark
- IN2P3-CNRS, CEA-DSM/IRFU, France
- GNSF, Georgia
- BMBF, Germany
- HGF, Germany
- MPG, Germany
- GSRT, Greece
- RGC, Hong Kong SAR, China
- I-CORE, Israel
- Benoziyo Center, Israel
- INFN, Italy
- MEXT, Japan
- JSPS, Japan
- CNRST, Morocco
- FOM, Netherlands
- NWO, Netherlands
- RCN, Norway
- MNiSW, Poland
- NCN, Poland
- FCT, Portugal
- MNE/IFA, Romania
- MES of Russia, Russian Federation
- NRC KI, Russian Federation
- JINR
- MESTD, Serbia
- MSSR, Slovakia
- ARRS, Slovenia
- MIZS, Slovenia
- DST/NRF, South Africa
- MINECO, Spain
- SRC, Sweden
- Wallenberg Foundation, Sweden
- SERI, Switzerland
- Canton of Bern, Switzerland
- Canton of Geneva, Switzerland
- MOST, Taiwan
- TAEK, Turkey
- STFC, United Kingdom
- DOE, United States of America
- NSF, United States of America
- BCKDF, Canada
- Canada Council, Canada
- CANARIE, Canada
- CRC, Canada
- Compute Canada, Canada
- FQRNT, Canada
- Ontario Innovation Trust, Canada
- EPLANET, European Union
- ERC, European Union
- FP7, European Union
- Horizon, European Union
- Marie Sklodowska-Curie Actions, European Union
- Investissements d'Avenir Labex and Idex, France
- ANR, France
- Region Auvergne, Region Auvergne and Fondation Partager le Savoir, France
- Fondation Partager le Savoir, France
- DFG, Germany
- AvH Foundation, Germany
- Herakleitos
- Thales programme - EU-ESF
- Aristeia programme - EU-ESF
- Greek NSRF
- BSF, Israel
- GIF, Israel
- Minerva, Israel
- BRF, Norway
- Royal Society, United Kingdom
- Leverhulme Trust, United Kingdom
- STFC [ST/L003449/1, ST/N000277/1, ST/N000331/1, ST/K001329/1, ST/L006162/1, ST/J004804/1, ST/J005533/1, ST/N000307/1, ST/M000753/1, ST/L000997/1, ST/N000463/1] Funding Source: UKRI
- Science and Technology Facilities Council [GRIDPP, PP/E000444/1, ST/N000307/1, ST/N000331/1, 1366825, ST/L000997/1, ST/K001329/1 ATLAS, ST/L006162/1, ST/J005533/1, ST/J004804/1, ST/M000753/1, ST/L003449/1, ST/K001329/1, ATLAS, ST/N000277/1, ST/N000463/1] Funding Source: researchfish
- Division Of Physics
- Direct For Mathematical & Physical Scien [1119200] Funding Source: National Science Foundation
- Division Of Physics
- Direct For Mathematical & Physical Scien [1410972, 1506173] Funding Source: National Science Foundation
- Fundação para a Ciência e a Tecnologia [CERN/FIS-NUC/0005/2015] Funding Source: FCT
- Grants-in-Aid for Scientific Research [26247038] Funding Source: KAKEN
- ICREA Funding Source: Custom
A search for Higgs boson production in association with a pair of top quarks (t (t) over barH) is performed, where the Higgs boson decays to b (b) over bar, and both top quarks decay hadronically. The data used correspond to an integrated luminosity of 20.3 fb(-1) of pp collisions at root s = 8 TeV collected with the ATLAS detector at the Large Hadron Collider. The search selects events with at least six energetic jets and uses a boosted decision tree algorithm to discriminate between signal and Standard Model background. The dominant multijet background is estimated using a dedicated data-driven technique. For a Higgs boson mass of 125 GeV, an upper limit of 6.4 (5.4) times the Standard Model cross section is observed (expected) at 95% confidence level. The best-fit value for the signal strength is mu = 1.6 +/- 2.6 times the Standard Model expectation for m(H) = 125 GeV. Combining all t (t) over barH searches carried out by ATLAS at root s = 8 and 7 TeV, an observed (expected) upper limit of 3.1 (1.4) times the Standard Model expectation is obtained at 95% confidence level, with a signal strength mu = 1.7 +/- 0.8.
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