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English

Jet mass and substructure of inclusive jets in √s=7 TeV pp collisions with the ATLAS experiment

Contributors

ATLAS Collaboration

Collaborators

Abdelalim Aly, Ahmed Aly; Alexandre, Gauthier; Backes, Moritz; Barone, Gaetano; Bell, Paul; Bell, William; Benhar Noccioli, Eleonora; Blondel, Alain; Bucci, Francesca; Clark, Allan Geoffrey; Dao, Valerio; Doglioni, Caterina; Ferrere, Didier; Gadomski, Szymon; Gonzalez Sevilla, Sergio; Goulette, Marc; Iacobucci, Giuseppe; La Rosa, Alessandro; Leger, Annie; Lister, Alison; Martin Dit Latour, Bertrand; Mermod, Philippe; Mora Herrera, Maria Clemencia Rosario; Nektarijevic, Snezana; Nikolics, Katalin; Pasztor, Arpad; Picazio, Attilio; Pohl, Martin; Rosbach, Kilian; Rosselet, Laurent; Wu, Xin

Published in

The journal of high energy physics, vol. 05, no. 128, 46

Publication date

2012

Abstract

Recent studies have highlighted the potential of jet substructure techniques to identify the hadronic decays of boosted heavy particles. These studies all rely upon the assumption that the internal substructure of jets generated by QCD radiation is well understood. In this article, this assumption is tested on an inclusive sample of jets recorded with the ATLAS detector in 2010, which corresponds to 35 pb−1 of pp collisions delivered by the LHC at TeX . In a subsample of events with single pp collisions, measurements corrected for detector efficiency and resolution are presented with full systematic uncertainties. Jet invariant mass, k t splitting scales and N-subjettiness variables are presented for anti-k t R = 1.0 jets and Cambridge-Aachen R = 1.2 jets. Jet invariant-mass spectra for Cambridge-Aachen R = 1.2 jets after a splitting and filtering procedure are also presented. Leading-order parton-shower Monte Carlo predictions for these variables are found to be broadly in agreement with data. The dependence of mean jet mass on additional pp interactions is also explored.

Keywords

  • Hadron-Hadron Scattering

UNIGE affiliation entities

Citation (ISO format)

ATLAS Collaboration. Jet mass and substructure of inclusive jets in √s=7 TeV pp collisions with the ATLAS experiment. In: The journal of high energy physics, 2012, vol. 05, n° 128, p. 46. doi: 10.1007/JHEP05(2012)128

Main files (1)

Article (Published version)

Identifiers

Additional URL for this publication

http://link.springer.com/article/10.1007%2FJHEP05%282012%29128

Journal ISSN

1029-8479
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178downloads

Technical informations

Creation

12/09/2014 15:51:00

First validation

12/09/2014 15:51:00

Update

13/10/2025 22:24:13

Status update

14/03/2023 21:45:47

Last indexation

10/11/2026 17:08:43
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