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English

Identification of boosted, hadronically decaying W bosons and comparisons with ATLAS data taken at √s = 8 TeV

Contributors

ATLAS Collaboration

Collaborators

Ancu, Lucian Stefan; Bell, William; Benhar Noccioli, Eleonora; Bilbao De Mendizabal, Javier; Calace, Noemi; Clark, Allan Geoffrey; Coccaro, Andrea; Delitzsch, Chris Malena; Della Volpe, Domenico; Ferrere, Didier; Gadomski, Szymon; Golling, Tobias; Gonzalez Sevilla, Sergio; Gramling, Johanna Léna; Guescini, Francesco; Iacobucci, Giuseppe; Katre, Akshay; Mermod, Philippe; Miucci, Antonio; Muenstermann, Daniel; Paolozzi, Lorenzo; Picazio, Attilio; Ristic, Branislav; Schramm, Steven; Tykhonov, Andrii; Vallecorsa, Sofia; Wu, Xin

Published in

European physical journal. C, Particles and fields, vol. 76, no. 3, 154

Collection

  • Open Access - SCOAP3

Publication date

2016

Abstract

This paper reports a detailed study of techniques for identifying boosted, hadronically decaying W bosons using 20.3 fb -1 of proton–proton collision data collected by the ATLAS detector at the LHC at a centre-of-mass energy s=8TeV . A range of techniques for optimising the signal jet mass resolution are combined with various jet substructure variables. The results of these studies in Monte Carlo simulations show that a simple pairwise combination of groomed jet mass and one substructure variable can provide a 50 % efficiency for identifying W bosons with transverse momenta larger than 200 GeV while maintaining multijet background efficiencies of 2–4 % for jets with the same transverse momentum. These signal and background efficiencies are confirmed in data for a selection of tagging techniques.

UNIGE affiliation entities

Citation (ISO format)

ATLAS Collaboration. Identification of boosted, hadronically decaying W bosons and comparisons with ATLAS data taken at √s = 8 TeV. In: European physical journal. C, Particles and fields, 2016, vol. 76, n° 3, p. 154. doi: 10.1140/epjc/s10052-016-3978-z

Main files (1)

Article (Published version)
CC BY

Identifiers

Journal ISSN

1434-6044
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276downloads

Technical informations

Creation

01/04/2016 08:56:47

First validation

01/04/2016 08:56:47

Update

13/10/2025 21:01:31

Status update

15/03/2023 00:14:29

Last indexation

10/11/2026 17:20:52
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