Home > Publications database > Measurements of four-lepton production in pp collisions at $\sqrt{s}= 8$ TeV with the ATLAS detector > print |
001 | 224407 | ||
005 | 20211110131648.0 | ||
037 | _ | _ | |a PUBDB-2015-03547 |
088 | 1 | _ | |a ATLAS-CONF-2015-031 |
088 | _ | _ | |a ATLAS-CONF-2015-031 |2 Atlas |
100 | 1 | _ | |a ATLAS Collaboration |0 P:(DE-HGF)0 |b 0 |e Collaboration author |
245 | _ | _ | |a Measurements of four-lepton production in pp collisions at $\sqrt{s}= 8$ TeV with the ATLAS detector |
260 | _ | _ | |c 2015 |
336 | 7 | _ | |a preprint |2 DRIVER |
336 | 7 | _ | |a Electronic Article |0 28 |2 EndNote |
336 | 7 | _ | |a Preprint |b preprint |m preprint |0 PUB:(DE-HGF)25 |s 1442224510_19117 |2 PUB:(DE-HGF) |
336 | 7 | _ | |a ARTICLE |2 BibTeX |
336 | 7 | _ | |a Internal Report |0 PUB:(DE-HGF)15 |2 PUB:(DE-HGF) |m intrep |
520 | _ | _ | |a The four-lepton (4ℓ, ℓ=e,μ) production is measured in a mass range from 80 to 1000 GeV using 20.3 fb−1 of data in pp collisions at s√=8 TeV at the LHC with the ATLAS detector. The 4ℓ signal events come from the decays of resonant Z and Higgs bosons and the non-resonant ZZ continuum produced from qq¯, gg, and qg initial states. A total of 476 signal candidate events is observed with a background expectation of 26.2±3.6 events, enabling the measurement of the integrated cross section and the differential cross section as a function of the invariant mass and transverse momentum of the four-lepton system. In the mass range above 180 GeV, assuming the theoretical constraint on the qq¯ production cross section calculated with perturbative next-to-next-to leading order (NNLO) QCD and next-to-leading order (NLO) Electroweak corrections, the signal strength of the gluon-fusion component with respect to the leading order (LO) prediction is determined to be μgg=2.4±1.0(stat.)±0.5(syst.)±0.8(theory) |
536 | _ | _ | |0 G:(DE-HGF)POF3-611 |c POF3-611 |f POF III |x 0 |a 611 - Fundamental Particles and Forces (POF3-611) |
693 | _ | _ | |a LHC |e LHC: ATLAS |1 EXP:(DE-588)4398783-7 |0 EXP:(DE-H253)LHC-Exp-ATLAS-20150101 |5 EXP:(DE-H253)LHC-Exp-ATLAS-20150101 |x 0 |
773 | _ | _ | |p 1-28 |
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910 | 1 | _ | |a Deutsches Elektronen-Synchrotron |0 I:(DE-588b)2008985-5 |k DESY |b 0 |6 P:(DE-HGF)0 |
913 | 1 | _ | |a DE-HGF |b Forschungsbereich Materie |l Materie und Universum |1 G:(DE-HGF)POF3-610 |0 G:(DE-HGF)POF3-611 |2 G:(DE-HGF)POF3-600 |x 0 |4 G:(DE-HGF)POF |v Fundamental Particles and Forces |3 G:(DE-HGF)POF3 |
914 | 1 | _ | |y 2015 |
915 | _ | _ | |a OpenAccess |0 StatID:(DE-HGF)0510 |2 StatID |
920 | 1 | _ | |0 I:(DE-H253)ATLAS-20120731 |k ATLAS |l LHC/ATLAS Experiment |x 0 |
980 | 1 | _ | |a FullTexts |
980 | _ | _ | |a preprint |
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980 | _ | _ | |a UNRESTRICTED |
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980 | _ | _ | |a I:(DE-H253)ATLAS-20120731 |
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