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Measurement of total and differential W + W − production cross sections in proton-proton collisions at √s=8 TeV with the ATLAS detector and limits on anomalous triple-gauge-boson couplings

The, ATLAS collaboration
•
Aad, G.
•
Abbott, B.
altro
GIORDANI, Mario
2016
  • journal article

Periodico
JOURNAL OF HIGH ENERGY PHYSICS
Abstract
The production of W boson pairs in proton-proton collisions at root s = 8TeV is studied using data corresponding to 20.3 fb(-1) of integrated luminosity collected by the ATLAS detector during 2012 at the CERN Large Hadron Collider. The W bosons are reconstructed using their leptonic decays into electrons or muons and neutrinos. Events with reconstructed jets are not included in the candidate event sample. A total of 6636 W W candidate events are observed. Measurements are performed in fiducial regions closely approximating the detector acceptance. The integrated measurement is corrected for all acceptance effects and for the W branching fractions to leptons in order to obtain the total W W production cross section, which is found to be 71.1 +/- 1.1( stat) + (5.7) (5.0) (syst) +/- 1 : 4( lumi) pb. This agrees with the next-to-next-to-leading-order Standard Model prediction of 63.2(+1.6) (-1.4) (scale) +/- 1.2(PDF) pb. Fiducial differential cross sections are measured as a function of each of six kinematic variables. The distribution of the transverse momentum of the leading lepton is used to set limits on anomalous triple-gauge-boson couplings.
DOI
10.1007/JHEP09(2016)029
WOS
WOS:000383024700001
Archivio
http://hdl.handle.net/11390/1097476
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-84987677675
https://www.scopus.com/inward/record.uri?eid=2-s2.0-84987677675&partnerID=40&md5=3e221adf2d454c1ef154f0699ac2c693
Diritti
metadata only access
Scopus© citazioni
51
Data di acquisizione
Jun 14, 2022
Vedi dettagli
Web of Science© citazioni
0
Data di acquisizione
Mar 7, 2024
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