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Measurement of WW/WZ→ℓνqq′ production with the hadronically decaying boson reconstructed as one or two jets in pp collisions at √s=8 TeV with ATLAS, and constraints on anomalous gauge couplings

Research output: Contribution to journalJournal article

  • ATLAS Collaboration
Article number563
<mark>Journal publication date</mark>20/08/2017
<mark>Journal</mark>European Physical Journal C: Particles and Fields
Issue number8
Number of pages31
<mark>Original language</mark>English


This paper presents a study of the production of WW or WZ boson pairs, with one W boson decaying to eν or μν and one W or Z boson decaying hadronically. The analysis uses 20.2 fb−1 of √s=8 TeV pp collision data, collected by the ATLAS detector at the Large Hadron Collider. Cross-sections for WW / WZ production are measured in high-pT fiducial regions defined close to the experimental event selection. The cross-section is measured for the case where the hadronically decaying boson is reconstructed as two resolved jets, and the case where it is reconstructed as a single jet. The transverse momentum distribution of the hadronically decaying boson is used to search for new physics. Observations are consistent with the Standard Model predictions, and 95% confidence intervals are calculated for parameters describing anomalous triple gauge-boson couplings.