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

The ATLAS collaboration

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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 all-hadronic 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 and correspond to an integrated luminosity of . 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 and pseudorapidity , is measured to be pb and is compared to next-to-leading-order calculations. The selected events are further used to study jet grooming techniques.

Original languageEnglish
Article number113013
JournalNew Journal of Physics
Volume16
DOIs
StatePublished - 4 Nov 2014

Funding

FundersFunder number
American Roentgen Ray Society
Brain Research Foundation
Bundesministerium für Bildung und Forschung
Canadian Anesthesiologists' Society
Danish National Research Foundation
European Research Council
General Secretariat for Research and Technology
German-Israeli Foundation for Scientific Research and Development
Human Growth Foundation
Israel Science Foundation
Joint Institute for Nuclear Research
Massachusetts Department of Fish and Game
Max-Planck-Gesellschaft
Ministry of Science and Technology of the People's Republic of China
Natural Sciences and Engineering Research Council of Canada
Science and Technology Facilities Council
Semiconductor Research Corporation
Stichting voor Fundamenteel Onderzoek der Materie
Swiss National Science Foundation
U.S. Department of Energy
U.S. Nuclear Regulatory Commission
National Science Foundation1119200
National Science Foundation
Seventh Framework Programme246806
Seventh Framework Programme
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung156083
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung

    Keywords

    • Boosted
    • Hadronic W
    • Jet substructure

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