Measurement of the Cross-Section of High Transverse Momentum Vector Bosons Reconstructed as Single Jets and Studies of Jet Substructure in pp Collisions at √s = 7 TeV with the ATLAS Detector

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Measurement of the Cross-Section of High Transverse Momentum Vector Bosons Reconstructed as Single Jets and Studies of Jet Substructure in pp Collisions at √s = 7 TeV with the ATLAS Detector

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Title: Measurement of the Cross-Section of High Transverse Momentum Vector Bosons Reconstructed as Single Jets and Studies of Jet Substructure in pp Collisions at √s = 7 TeV with the ATLAS Detector
Author(s):
Aad, G.;
Abajyan, T.;
Abbott, B.;
Abdallah, J.;
Abdel Khalek, S.;
Abdinov, O.;
Aben, R.;
Izen, Joseph M.;
Leyton, Michael;
Lou, Xinchou;
Namasivayam, Harisankar;
Reeves, Kendall;
ATLAS Collaboration
Format: Text
Item Type: Article
Keywords: Show Keywords
Abstract: This paper presents a measurement of the cross-section for high transverse momentum W and Z bosons produced in pp collisions and decaying to allhadronic final states. The data used in the analysis were recorded by the ATLAS detector at the CERN Large Hadron Collider at a centre-of-mass energy of √s = 7 TeV and correspond to an integrated luminosity of 4.6 fb⁻¹. The measurement is performed by reconstructing the boosted W or Z bosons in single jets. The reconstructed jet mass is used to identify the W and Z bosons, and a jet substructure method based on energy cluster information in the jet centre-of-mass frame is used to suppress the large multi-jet background. The cross-section for events with a hadronically decaying W or Z boson, with transverse momentum p(T) > 320 GeV and pseudorapidity |η| < 1.9 320 GeV and pseudorapidity |eta| < 1.9, is measured to be σ(W+ Z) = 8.5 ± 1.7 pb and is compared to next-to-leading-order calculations. The selected events are further used to study jet grooming techniques.
Publisher: IOP Publishing
ISSN: 1367-2630
Persistent Link: http://hdl.handle.net/10735.1/4081
http://dx.doi.org/10.1093/mnras/stu287
Bibliographic Citation: Aad, G., T. Abajyan, B. Abbott, J. Abdallah, et al. 2014. "Measurement of the cross-section of high transverse momentum vector bosons reconstructed as single jets and studies of jet substructure in pp collisions at √s = 7 TeV with the ATLAS detector." New Journal of Physics 16(113013): doi:10.1088/1367-2630/16/11/113013.
Terms of Use: CC-BY 3.0 (Attribution)
©2014 CERN, for the ATLAS Collaboration

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CC-BY 3.0 (Attribution) Except where otherwise noted, this item's license is described as CC-BY 3.0 (Attribution)