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

Barton, Adam Edward and Beattie, Michael and Bertram, Iain Alexander and Borissov, Guennadi and Bouhova-Thacker, Evelina Vassileva and Dearnaley, William and Fox, Harald and Grimm, Kathryn Ann Tschann and Henderson, Robert Charles William and Hughes, Gareth and Jones, Roger William Lewis and Kartvelishvili, Vakhtang and Long, Robin Eamonn and Love, Peter Allan and Muenstermann, Daniel Matthias Alfred and Parker, Adam Jackson and Skinner, Malcolm and Smizanska, Maria and Walder, James William and Wharton, Andy and Whitmore, Ben (2017) 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. European Physical Journal C: Particles and Fields, 77 (8). ISSN 1434-6044

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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.

Item Type:
Journal Article
Journal or Publication Title:
European Physical Journal C: Particles and Fields
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/2200/2201
Subjects:
ID Code:
88809
Deposited By:
Deposited On:
20 Nov 2017 21:30
Refereed?:
Yes
Published?:
Published
Last Modified:
16 Sep 2020 04:09