Journal
EUROPEAN PHYSICAL JOURNAL C
Volume 81, Issue 2, Pages -Publisher
SPRINGER
DOI: 10.1140/epjc/s10052-020-08734-w
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Funding
- 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-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
- MIZS, Slovenia
- DST/NRF, South Africa
- MINECO, 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
- AvHFoundation, Germany
- Herakleitos programme - EU-ESF
- Thales programme - EU-ESF
- Aristeia programme - EU-ESF
- Greek NSRF, Greece
- BSF-NSF, Israel
- GIF, Israel
- CERCA Programme Generalitat de Catalunya, Spain
- PROMETEO Programme Generalitat Valenciana, Spain
- Goran Gustafssons Stiftelse, Sweden
- The Royal Society, United Kingdom
- Leverhulme Trust, United Kingdom
- Science and Technology Facilities Council [ST/S000879/1] Funding Source: researchfish
- STFC [ST/N000277/1, ST/S000860/1, ST/T007257/1, ST/P002439/1, ST/S00095X/1, ST/N000307/1, ST/J005533/1, ST/J004804/1, ST/S000798/1, ST/L006162/1, ST/S000747/1] Funding Source: UKRI
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Differential cross-section measurements for the electroweak production of two jets in association with a Z boson were presented in this study. The measurements provide a fundamental test of the gauge structure of the Standard Model and are sensitive to the vector-boson fusion production mechanism. Data collected by ATLAS at root s = 13 TeV was used to measure the differential cross-sections in the Z -> l(+)l(-) decay channel as a function of four observables, with results precise enough to distinguish between different theoretical predictions.
Differential cross-sectionmeasurements are presented for the electroweak production of two jets in association with a Z boson. These measurements are sensitive to the vector-boson fusion production mechanism and provide a fundamental test of the gauge structure of the Standard Model. The analysis is performed using proton-proton collision data collected by ATLAS at root s = 13 TeV and with an integrated luminosity of 139 fb(-1). The differential cross-sections are measured in the Z -> l(+)l(-) decay channel (l = e, mu) as a function of four observables: the dijet invariant mass, the rapidity interval spanned by the two jets, the signed azimuthal angle between the two jets, and the transverse momentum of the dilepton pair. The data are corrected for the effects of detector inefficiency and resolution and are sufficiently precise to distinguish between different state-of-the-art theoretical predictions calculated using Powheg+Pythia8, Herwig7+Vbfnlo and Sherpa 2.2. The differential cross-sections are used to search for anomalous weak-boson self-interactions using a dimension-six effective field theory. Themeasurement of the signed azimuthal angle between the two jets is found to be particularly sensitive to the interference between the Standard-Model and dimension-six scattering amplitudes and provides a direct test of charge-conjugation and parity invariance in the weak-boson self-interactions.
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