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English

Measurement of charged-particle event shape variables in inclusive √(s)=7  TeV proton-proton interactions with the ATLAS detector

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; 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

Physical review. D. Particles, fields, gravitation, and cosmology, vol. 88, no. 03, 032004

Publication date

2013

Abstract

The measurement of charged-particle event shape variables is presented in inclusive inelastic pp collisions at a center-of-mass energy of 7 TeV using the ATLAS detector at the LHC. The observables studied are the transverse thrust, thrust minor, and transverse sphericity, each defined using the final-state charged particles' momentum components perpendicular to the beam direction. Events with at least six charged particles are selected by a minimum-bias trigger. In addition to the differential distributions, the evolution of each event shape variable as a function of the leading charged-particle transverse momentum, charged-particle multiplicity, and summed transverse momentum is presented. Predictions from several Monte Carlo models show significant deviations from data.

UNIGE affiliation entities

Citation (ISO format)

ATLAS Collaboration. Measurement of charged-particle event shape variables in inclusive √(s)=7  TeV proton-proton interactions with the ATLAS detector. In: Physical review. D. Particles, fields, gravitation, and cosmology, 2013, vol. 88, n° 03, p. 032004. doi: 10.1103/PhysRevD.88.032004

Main files (1)

Article (Published version)

Identifiers

Additional URL for this publication

http://journals.aps.org/prd/abstract/10.1103/PhysRevD.88.032004

Journal ISSN

1550-2368
690views
171downloads

Technical informations

Creation

03/10/2014 10:10:00

First validation

03/10/2014 10:10:00

Update

13/10/2025 22:21:45

Status update

14/03/2023 21:48:59

Last indexation

10/11/2026 17:09:54
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