Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 10, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP10(2020)062
Keywords
Hadron-Hadron scattering (experiments)
Categories
Funding
- ANPCyT, Argentina
- YerPhI, Armenia
- ARC, Australia
- BMWFW, Austria
- FWF, Austria
- ANAS, Azerbaijan
- SSTC, Belarus
- CNPq, Brazil
- FAPESP, Brazil
- NSERC, Canada
- CFI, Canada
- NRC, 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-DRF/IRFU, France
- SRNSFG, Georgia
- BMBF, Germany
- HGF, Germany
- MPG, Germany
- GSRT, Greece
- RGC, China
- Hong Kong SAR, China
- ISF, Israel
- Benoziyo Center, Israel
- INFN, Italy
- MEXT, Japan
- JSPS, Japan
- CNRST, Morocco
- NWO, Netherlands
- RCN, Norway
- MNiSW, Poland
- NCN, Poland
- FCT, Portugal
- MNE/IFA, Romania
- MES of Russia, Russia Federation
- NRC KI, Russia Federation
- JINR
- MESTD, Serbia
- MSSR, Slovakia
- ARRS, Slovenia
- MIZ~S, Slovenia
- DST/NRF, South Africa
- MICINN, Spain
- SRC, Sweden
- Wallenberg Foundation, Sweden
- SERI, Switzerland
- SNSF, 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
- CANARIE, Canada
- Compute Canada, Canada
- CRC, Canada
- ERC, European Union
- ERDF, European Union
- Horizon 2020, European Union
- Marie Sklodowska-Curie Actions, European Union
- COST, European Union
- Investissements d'Avenir Labex, France
- Investissements d'Avenir Idex, France
- ANR, France
- DFG, Germany
- AvH Foundation, Germany
- Herakleitos programme
- Thales programme
- Aristeia programme
- EU-ESF
- Greek NSRF, Greece
- BSF-NSF, Israel
- GIF, Israel
- La Caixa Banking Foundation, Spain
- CERCA Programme Generalitat de Catalunya, Spain
- PROMETEO Programme Generalitat Valenciana, Spain
- GenT Programme Generalitat Valenciana, Spain
- G~oran Gustafssons Stiftelse, Sweden
- Royal Society, United Kingdom
- Leverhulme Trust, United Kingdom
- STFC [ST/T000414/1, ST/N000277/1, ST/N000234/1, ST/N000447/1, ST/S000747/1, ST/S000879/1, ST/S000933/1, ST/S00095X/1, ST/N000331/1] Funding Source: UKRI
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Results of a search for new particles decaying into eight or more jets and moderate missing transverse momentum are presented. The analysis uses 139 fb(-1) of proton-proton collision data at root s = 13 TeV collected by the ATLAS experiment at the Large Hadron Collider between 2015 and 2018. The selection rejects events containing isolated electrons or muons, and makes requirements according to the number of b-tagged jets and the scalar sum of masses of large-radius jets. The search extends previous analyses both in using a larger dataset and by employing improved jet and missing transverse momentum reconstruction methods which more cleanly separate signal from background processes. No evidence for physics beyond the Standard Model is found. The results are interpreted in the context of supersymmetry-inspired simplified models, significantly extending the limits on the gluino mass in those models. In particular, limits on the gluino mass are set at 2 TeV when the lightest neutralino is nearly massless in a model assuming a two-step cascade decay via the lightest chargino and second-lightest neutralino.
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