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

G. Aad; T. Abajyan; B. Abbott; J. Abdallah; S.A. Khalek; Mogens Dam; Jørgen Beck Hansen; Peter Henrik Hansen; John Renner Hansen; Jørn Dines Hansen; Nele Maria Philomena Boelaert; Simon Johann Franz Heisterkamp; Morten Dam Jørgensen; Esben Bryndt Klinkby; Sascha Mehlhase; Ask Emil Løvschall-Jensen; Björn Stefan Nilsson; Troels Christian Petersen; Stefania Xella

doi:10.1103/PhysRevD.88.032004

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

G. Aad, T. Abajyan, B. Abbott, J. Abdallah, S.A. Khalek, Mogens Dam, Jørgen Beck Hansen, Peter Henrik Hansen, John Renner Hansen, Jørn Dines Hansen, Nele Maria Philomena Boelaert, Simon Johann Franz Heisterkamp, Morten Dam Jørgensen, Esben Bryndt Klinkby, Sascha Mehlhase, Ask Emil Løvschall-Jensen, Björn Stefan Nilsson, Troels Christian Petersen, Stefania Xella

Eksperimentel subatomar fysik

18 Citationer (Scopus)

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.

Originalsprog	Engelsk
Artikelnummer	032004
Tidsskrift	Physical Review D (Particles, Fields, Gravitation and Cosmology)
Vol/bind	88
Udgave nummer	3
ISSN	1550-7998
DOI	https://doi.org/10.1103/PhysRevD.88.032004
Status	Udgivet - 6 aug. 2013

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10.1103/PhysRevD.88.032004

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Aad, G., Abajyan, T., Abbott, B., Abdallah, J., Khalek, S. A., Dam, M., Hansen, J. B., Hansen, P. H., Hansen, J. R., Hansen, J. D., Boelaert, N. M. P., Heisterkamp, S. J. F., Jørgensen, M. D., Klinkby, E. B., Mehlhase, S., Løvschall-Jensen, A. E., Nilsson, B. S., Petersen, T. C., & Xella, S. (2013). Measurement of charged-particle event shape variables in inclusive root(s)=7 TeV proton-proton interactions with the ATLAS detector. Physical Review D (Particles, Fields, Gravitation and Cosmology), 88(3), [032004]. https://doi.org/10.1103/PhysRevD.88.032004

Aad, G, Abajyan, T, Abbott, B, Abdallah, J, Khalek, SA, Dam, M , Hansen, JB , Hansen, PH , Hansen, JR , Hansen, JD, Boelaert, NMP, Heisterkamp, SJF, Jørgensen, MD, Klinkby, EB, Mehlhase, S, Løvschall-Jensen, AE, Nilsson, BS, Petersen, TC & Xella, S 2013, 'Measurement of charged-particle event shape variables in inclusive root(s)=7 TeV proton-proton interactions with the ATLAS detector', Physical Review D (Particles, Fields, Gravitation and Cosmology), bind 88, nr. 3, 032004. https://doi.org/10.1103/PhysRevD.88.032004

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

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.",

author = "G. Aad and T. Abajyan and B. Abbott and J. Abdallah and S.A. Khalek and Mogens Dam and Hansen, {J{\o}rgen Beck} and Hansen, {Peter Henrik} and Hansen, {John Renner} and Hansen, {J{\o}rn Dines} and Boelaert, {Nele Maria Philomena} and Heisterkamp, {Simon Johann Franz} and J{\o}rgensen, {Morten Dam} and Klinkby, {Esben Bryndt} and Sascha Mehlhase and L{\o}vschall-Jensen, {Ask Emil} and Nilsson, {Bj{\"o}rn Stefan} and Petersen, {Troels Christian} and Stefania Xella",

year = "2013",

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doi = "10.1103/PhysRevD.88.032004",

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AU - Aad, G.

AU - Abajyan, T.

AU - Abbott, B.

AU - Abdallah, J.

AU - Khalek, S.A.

AU - Dam, Mogens

AU - Hansen, Jørgen Beck

AU - Hansen, Peter Henrik

AU - Hansen, John Renner

AU - Hansen, Jørn Dines

AU - Boelaert, Nele Maria Philomena

AU - Heisterkamp, Simon Johann Franz

AU - Jørgensen, Morten Dam

AU - Klinkby, Esben Bryndt

AU - Mehlhase, Sascha

AU - Løvschall-Jensen, Ask Emil

AU - Nilsson, Björn Stefan

AU - Petersen, Troels Christian

AU - Xella, Stefania

PY - 2013/8/6

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N2 - 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.

AB - 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.

U2 - 10.1103/PhysRevD.88.032004

DO - 10.1103/PhysRevD.88.032004

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

Abstract

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