Measurement of the $${{t\bar{t}Z}}$$ and $${{t\bar{t}W}}$$ production cross sections in multilepton final states using 3.2 fb $$^{-1}$$ of $${pp}$$ collisions at $$\sqrt{s} = 13$$ TeV with the ATLAS detector
Journal Article
·
· European Physical Journal. C, Particles and Fields
A measurement of the $$t\bar{t}Z$$ and $$t\bar{t}W$$ production cross sections in final states with either two same-charge muons, or three or four leptons (electrons or muons) is presented. The analysis uses a data sample of proton–proton collisions at √s = 13 TeV recorded with the ATLAS detector at the Large Hadron Collider in 2015, corresponding to a total integrated luminosity of 3.2 fb–1. The inclusive cross sections are extracted using likelihood fits to signal and control regions, resulting in σ$$t\bar{t}Z$$ = 0.9±0.3 pb and σ$$t\bar{t}W$$ = 1.5±0.8 pb, in agreement with the Standard Model predictions.
- Research Organization:
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). Oak Ridge Leadership Computing Facility (OLCF); Brookhaven National Laboratory (BNL), Upton, NY (United States); SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States); Harvard Univ., Cambridge, MA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- Contributing Organization:
- ATLAS Collaboration
- Grant/Contract Number:
- AC02-05CH11231; SC00112704; AC02-76SF00515; SC0007881
- OSTI ID:
- 1379668
- Alternate ID(s):
- OSTI ID: 1349584; OSTI ID: 1389754; OSTI ID: 1773489
- Report Number(s):
- BNL-113734-2017-JA¿¿¿; ark:/13030/qt39j4h57f
- Journal Information:
- European Physical Journal. C, Particles and Fields, Vol. 77, Issue 1; ISSN 1434-6044
- Publisher:
- SpringerCopyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 18 works
Citation information provided by
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