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

M. Aaboud, Paul Newman, ATLAS Collaboration

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Abstract

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.
Original languageEnglish
Article number563
JournalEuropean Physical Journal C
Volume77
DOIs
Publication statusPublished - 20 Aug 2017

Bibliographical note

48 pages in total, author list starting page 32, 8 figures, 7 tables, submitted to EPJC, All figures including auxiliary figures are available at https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/STDM-2015-23/. This version matches the journal publication

Keywords

  • hep-ex

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