期刊
PHYSICAL REVIEW LETTERS
卷 112, 期 23, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.112.231806
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资金
- ANPCyT, Argentina
- YerPhI, Armenia
- ARC, Australia
- BMWF, 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
- Lundbeck Foundation, Denmark
- EPLANET, European Union
- ERC, European Union
- NSRF, European Union
- IN2P3-CNRS, 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
- DIP, Israel
- Benoziyo Center, Israel
- INFN, Italy
- MEXT, Japan
- JSPS, Japan
- CNRST, Morocco
- FOM, Netherlands
- NWO, Netherlands
- BRF, Norway
- RCN, Norway
- MNiSW, Poland
- GRICES, Portugal
- FCT, Portugal
- MERYS (MECTS), Romania
- MES of Russia, Russian Federation
- ROSATOM, Russian Federation
- JINR
- MSTD, Serbia
- MSSR, Slovakia
- ARRS, Slovenia
- MIZS, Slovenia
- DST/NRF, South Africa
- MICINN, Spain
- SRC, Sweden
- Wallenberg Foundation, Sweden
- SER, Switzerland
- SNSF, Switzerland
- Cantons of Bern, Switzerland
- Cantons of Geneva, Switzerland
- NSC, Taiwan
- TAEK, Turkey
- STFC, United Kingdom
- Royal Society, United Kingdom
- Leverhulme Trust, United Kingdom
- DOE, USA
- NSF, USA
- Division Of Physics
- Direct For Mathematical & Physical Scien [1119200] Funding Source: National Science Foundation
- ICREA Funding Source: Custom
- Science and Technology Facilities Council [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/K001337/1, 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, 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/K001329/1, ST/K00140X/1, ST/K001426/1 ATLAS, ST/K001310/1 LHCb, ST/L003511/1, ST/J004928/1 ATLAS Upgrade, ST/K001361/1 LHCb, ST/L000970/1, ST/F007418/1, ST/H00100X/1, ST/J002798/1, ST/K000713/1, ST/K502236/1, ST/K000705/1, ST/J005576/1, 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/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] Funding Source: researchfish
- STFC [ST/K00073X/1, ST/K50208X/1, ST/I005811/1, ST/H001042/1, 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/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/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/K001329/1, ST/K502236/1, ST/M001431/1, ST/I505756/1, ST/K003437/1, ST/H001093/2, ST/G50228X/1, ST/K001248/1, ST/K00137X/1, ST/I006056/1, ST/M001512/1, ST/H001026/2, ST/L006480/1, ST/K001337/1, PP/E000347/1, ST/H00100X/2, ST/L001144/1, ST/H00100X/1, PP/D002915/1, ST/K000659/1, PP/E000355/1] Funding Source: UKRI
Measurements of four-lepton (4l, l = e,mu) production cross sections at the Z resonance in pp collisions at the LHC with the ATLAS detector are presented. For dilepton and four-lepton invariant mass regions m (l+l)- > 5 GeV and 80 < m(4l) < 100 GeV, the measured cross sections are 76 +/- 18(stat) +/- 4(syst) +/- 1.4(lumi) fb and 107 +/- 9(stat) +/- 4(syst) +/- 3.0(lumi) fb at root s=7 and 8 TeV, respectively. By subtracting the nonresonant 4l production contributions and normalizing with Z -> mu(+)mu(-) events, the branching fraction for the Z boson decay to 4l is determined to be (3.20 +/- 0.25(stat) +/- 0.13(syst)) x10(-6), consistent with the standard model prediction.
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