Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 9, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP09(2014)015
Keywords
Hadron-Hadron Scattering; Supersymmetry; Top squark; Proton-proton scattering
Categories
Funding
- ANPCyT, Argentina
- YerPhI, Armenia
- ARC, Australia
- BMWF, Austria
- FWF, Austria
- ANAS, Azerbaijan
- SSTC, Belarus
- CNPq, Brazil
- FAPE SP, 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
- Lundbeck Foundation, Denmark
- EPLANET
- ERC
- NSRF, European Un ion
- IN2P3-CNRS, France
- CEA-DSM/IRFU, France
- GNSF, Georgia
- BMBF, Germany
- DFG, Germany
- HGF, Germany
- MPG, Germany
- AvH Foundation, Germany
- GSRT, Greece
- NSRF, Greece
- ISF, Israel
- MINERVA, Israel
- GIF, Israel
- I-CORE, Israel
- Benozi yo Center, Israel
- INFN, Italy
- MEXT, Japan
- JSPS, Japan
- CNRST, Morocco
- FOM, Netherlands
- NWO, Netherlands
- BRF, Norway
- RCN, Norway
- MNiSW, Poland
- NCN, Poland
- GRICES, Portuga l
- FCT, Portuga l
- MNE/IFA, Romania
- MES of Russia, Russian Federation
- ROSATOM, Russian Federation
- JINR
- MSTD, Serbia
- MSSR, Slovakia
- ARRS, Slovenia
- MIZ. S, Slovenia
- DST/NRF, South Africa
- MINECO, Spain
- SRC, Sweden
- Wallenberg Foundation, Sweden
- SER, Switzerland
- SNSF, Switzerland
- Cantons of Bern and 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
- Division Of Physics
- Direct For Mathematical & Physical Scien [1119200] Funding Source: National Science Foundation
- Science and Technology Facilities Council [ST/J005576/1, ST/K000705/1, ST/K502236/1, ST/K000713/1, ST/I005811/1, ST/L003325/1, ST/I00372X/1, ST/J00474X/1, PP/E000347/1, ST/K001361/1 LHCb Upgrades, ST/L003112/1, ST/L00352X/1, ST/H001042/1, ST/H001042/2, ST/H001093/1, ST/K001361/1, ST/K501840/1, ST/K001302/1, ST/K001264/1 ATLAS, ST/H00095X/2, ST/I005803/1 GRIDPP, ST/M000761/1, ST/K001248/1, ST/K001361/1 ATLAS, ST/K00140X/1 ATLAS, ST/M003213/1, ST/G50228X/1, ST/L001195/1, PP/E002757/1, ST/M002306/1 ATLAS Upgrades, ST/K000659/1, ST/L000970/1 ATLAS Upgrade, ST/I000178/1, ST/K003658/1 GRIDPP, ST/M002071/1 ATLAS Upgrades, ST/K001329/1 ATLAS, PP/D002915/1, PP/E000487/1, ST/J005525/1, ST/M001474/1, ST/M000664/1, ST/J501074/1, ST/K003658/1, ST/L001179/1 ATLAS Upgrades, ST/J005533/1, ST/I005803/1, ST/L006480/1, ST/M007103/1 ATLAS Upgrades, ST/H001026/2, ST/K001310/1 ATLAS, ST/K001361/1 MINOS/MINOS+, ST/H001069/2, ST/H001026/1, ST/I00372X/1 GRIDPP, ST/M001512/1, ST/M001431/1, ST/G502320/1, ST/L001209/1 ATLAS Upgrades, ST/K00137X/1, ST/L001179/1, ST/K501840/1 GRIDPP, ST/H00095X/1, ST/H001093/2, ST/K003437/1 GRIDPP, ST/J004944/1, ST/I006056/1, ST/K001418/1, ATLAS, ST/K00140X/1, ST/K001426/1 ATLAS, ST/K001310/1 LHCb, ST/L003511/1, ST/J004928/1 ATLAS Upgrade, ST/K001361/1 LHCb, ST/K001310/1 LHCb Upgrades, ST/K001388/1, ST/I000186/1, ST/K001337/1 ATLAS, ST/I006080/1, ST/J004928/1, PP/E003087/1, ST/H00100X/2, ST/L001144/1, ST/J500641/1, PP/E002846/1, ST/M001733/1, ST/J00474X/1 ATLAS Upgrades, ST/F00754X/1, ST/K001310/1, PP/E000444/1, ST/G006717/1, ST/L006464/1, ST/K003437/1, GRIDPP, ST/J005460/1, ST/K00073X/1, ST/I505756/1, 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/J002798/1, ST/H00100X/1, ST/F007418/1, ST/L000970/1] Funding Source: researchfish
- ICREA Funding Source: Custom
- STFC [ST/H001042/1, PP/D002915/1, ST/K000659/1, PP/E000355/1, ST/I005811/1, ST/H00100X/1, ST/K50208X/1, PP/E002846/1, ST/J004928/1, ST/I00372X/1, ST/K003658/1, ST/L001179/1, ST/G502320/1, PP/E000487/1, ST/I006080/1, ST/J005533/1, ST/L001195/1, ST/F00754X/1, ST/H001093/1, ST/K501840/1, ST/L006464/1, ST/H001026/1, ST/J005487/1, ST/J005525/1, ST/F007418/1, PP/E002757/1, ST/H00095X/1, ST/K000705/1, ST/J501074/1, ST/J500641/1, ST/J00474X/1, ST/M003213/1, ST/K001248/1, ST/K00140X/1, ST/H001042/2, ST/J004944/1, ST/L003325/1, ST/K001302/1, ST/L003511/1, ST/M002306/1, ST/L00352X/1, ST/M000761/1, ST/J005576/1, ST/H001069/2, ST/K000713/1, ST/M000664/1, ST/L000970/1, ST/K00073X/1, ST/G006717/1, ST/K001361/1, ST/H00095X/2, ST/I005803/1, ST/J005460/1, PP/E003087/1, ST/I000186/1, ST/L003112/1, ST/I000178/1, ST/K001388/1, ST/M001733/1, ST/J002798/1, ST/K502236/1, ST/M001431/1, ST/I505756/1, ST/K003437/1, ST/H001093/2, ST/G50228X/1, ST/K00137X/1, ST/I006056/1, ST/M001512/1, ST/H001026/2, ST/L006480/1, PP/E000347/1, ST/H00100X/2, ST/L001144/1] Funding Source: UKRI
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The results of a search for direct pair production of the scalar partner to the top quark using an integrated luminosity of 20.1 fb(-1) of proton-proton collision data at = 8 TeV recorded with the ATLAS detector at the LHC are reported. The top squark is assumed to decay via or , where denotes the lightest neutralino (chargino) in supersymmetric models. The search targets a fully-hadronic final state in events with four or more jets and large missing transverse momentum. No significant excess over the Standard Model background prediction is observed, and exclusion limits are reported in terms of the top squark and neutralino masses and as a function of the branching fraction of . For a branching fraction of 100%, top squark masses in the range 270-645 GeV are excluded for masses below 30 GeV. For a branching fraction of 50% to either or , and assuming the mass to be twice the mass, top squark masses in the range 250-550 GeV are excluded for masses below 60 GeV.
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