Journal
EUROPEAN PHYSICAL JOURNAL C
Volume 77, Issue 12, Pages -Publisher
SPRINGER
DOI: 10.1140/epjc/s10052-017-5445-x
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- 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, France
- CEA-DSM/IRFU, France
- SRNSF, Georgia
- BMBF, Germany
- HGF, Germany
- MPG, Germany
- GSRT, Greece
- RGC, Hong Kong SAR, China
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- Benoziyo Center, Israel
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- CNRST, Morocco
- NWO, The Netherlands
- RCN, Norway
- MNiSW, Poland
- NCN, Poland
- FCT, Portugal
- MNE/IFA, Romania
- MES of Russia, Russian Federation
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- ARRS, Slovenia
- MIZS, Slovenia
- DST/NRF, South Africa
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- Wallenberg Foundation, Sweden
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- SNSF, Switzerland
- Canton of Bern, Switzerland
- Canton of Geneva, Switzerland
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- STFC, UK
- DOE, USA
- NSF, USA
- BCKDF, Canada
- Canada Council, Canada
- CANARIE, Canada
- CRC, Canada
- Compute Canada, Canada
- FQRNT, Canada
- Ontario Innovation Trust, Canada
- EPLANET, European Union
- ERC, European Union
- ERDF, European Union
- Horizon, European Union
- Marie SklodowskaCurie Actions, European Union
- Investissements d'Avenir Labex and Idex, France
- ANR, France
- Region Auvergne, France
- Fondation Partager le Savoir, France
- DFG, Germany
- AvH Foundation, Germany
- Herakleitos programme
- Thales programme
- Aristeia programme
- EU-ESF
- Greek NSRF
- BSF, Israel
- GIF, Israel
- Minerva, Israel
- BRF, Norway
- CERCA Programme Generalitat de Catalunya, Generalitat Valenciana, Spain
- Royal Society, UK
- Leverhulme Trust, UK
- Direct For Mathematical & Physical Scien
- Division Of Physics [1624739] Funding Source: National Science Foundation
- Science and Technology Facilities Council [1659192, ST/N000331/1, ST/N000307/1, GRIDPP, 1653101, ST/K001329/1, ATLAS, ST/N000277/1, ST/H001158/2, ST/H001158/1, ST/J004804/1, ST/J005533/1, ST/K001329/1 ATLAS, PP/E000452/1, 1366825, ST/K001329/1 nEDM] Funding Source: researchfish
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The results of a search for direct pair production of top squarks in events with two opposite-charge leptons (electrons or muons) are reported, using 36.1 fb(-1) of integrated luminosity from proton-proton collisions at root s = 13 TeV collected by the ATLAS detector at the Large Hadron Collider. To cover a range of mass differences between the top squark (t) over tilde and lighter supersymmetric particles, four possible decay modes of the top squark are targeted with dedicated selections: the decay (t) over tilde -> b (chi) over tilde (+/-)(1) into a b-quark and the lightest chargino with (chi) over tilde (+/-)(1) W (chi) over tilde (0)(1),the decay (t) over tilde -> t (chi) over tilde (0)(1) into an on-shell top quark and the lightest neutralino, the three-body decay (t) over tilde -> bW (chi) over tilde (0)(1) and the four-body decay (t) over tilde -> bl nu(chi) over tilde (0)(1). No significant excess of events is observed above the Standard Model background for any selection, and limits on top squarks are set as a function of the (t) over tilde and (chi) over tilde (0)(1) masses. The results exclude at 95% confidence level (t) over tilde masses up to about 720 GeV, extending the exclusion region of supersymmetric parameter space covered by previous searches.
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