Measurements of underlying-event properties using neutral and charged particles in pp collisions at vs= 900 GeV and vs= 7 TeV with the ATLAS detector at the LHC

G. Aad...[et al.]; Mogens Dam; John Renner Hansen; Jørgen Beck Hansen; Jørn Dines Hansen; Peter Henrik Hansen; Morten Dam Jørgensen; Esben Bryndt Klinkby; Troels Christian Petersen; Stefania Xella; Nele Maria Philomena Boelaert; Thomas Høvring Kittelmann

doi:10.1140/epjc/s10052-011-1636-z

Measurements of underlying-event properties using neutral and charged particles in pp collisions at vs= 900 GeV and vs= 7 TeV with the ATLAS detector at the LHC

G. Aad...[et al.], Mogens Dam, John Renner Hansen, Jørgen Beck Hansen, Jørn Dines Hansen, Peter Henrik Hansen, Morten Dam Jørgensen, Esben Bryndt Klinkby, Troels Christian Petersen, Stefania Xella, Nele Maria Philomena Boelaert, Thomas Høvring Kittelmann

39 Citations (Scopus)

Abstract

We present first measurements of charged and neutral particle-flow correlations in pp collisions using the ATLAS calorimeters.Data were collected in 2009 and 2010 at centre-of-mass energies of 900 GeV and 7 TeV.Events were selected using a minimum-bias trigger which required a charged particle in scintillation counters on either side of the interaction point.Particle flows, sensitive to the underlying event, are measured using clusters of energy in the ATLAS calorimeters, taking advantage of their fine granularity.No Monte Carlo generator used in this analysis can accurately describe the measurements.The results are independent of those based on charged particles measured by the ATLAS tracking systems and can be used to constrain the parameters of Monte Carlo generators.

Original language	English
Journal	European Physical Journal C
Volume	71
Issue number	5
Pages (from-to)	1636
Number of pages	24
ISSN	1434-6044
DOIs	https://doi.org/10.1140/epjc/s10052-011-1636-z
Publication status	Published - 1 May 2011

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Aad...[et al.], G., Dam, M., Hansen, J. R., Hansen, J. B., Hansen, J. D., Hansen, P. H., Jørgensen, M. D., Klinkby, E. B., Petersen, T. C., Xella, S., Boelaert, N. M. P., & Kittelmann, T. H. (2011). Measurements of underlying-event properties using neutral and charged particles in pp collisions at vs= 900 GeV and vs= 7 TeV with the ATLAS detector at the LHC. European Physical Journal C, 71(5), 1636. https://doi.org/10.1140/epjc/s10052-011-1636-z

Measurements of underlying-event properties using neutral and charged particles in pp collisions at vs= 900 GeV and vs= 7 TeV with the ATLAS detector at the LHC. / Aad...[et al.], G.; Dam, Mogens ; Hansen, John Renner et al.

In: European Physical Journal C, Vol. 71, No. 5, 01.05.2011, p. 1636.

Research output: Contribution to journal › Journal article › Research › peer-review

Aad...[et al.], G, Dam, M , Hansen, JR , Hansen, JB , Hansen, JD , Hansen, PH, Jørgensen, MD, Klinkby, EB, Petersen, TC , Xella, S, Boelaert, NMP & Kittelmann, TH 2011, 'Measurements of underlying-event properties using neutral and charged particles in pp collisions at vs= 900 GeV and vs= 7 TeV with the ATLAS detector at the LHC', European Physical Journal C, vol. 71, no. 5, pp. 1636. https://doi.org/10.1140/epjc/s10052-011-1636-z

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title = "Measurements of underlying-event properties using neutral and charged particles in pp collisions at vs= 900 GeV and vs= 7 TeV with the ATLAS detector at the LHC",

abstract = "We present first measurements of charged and neutral particle-flow correlations in pp collisions using the ATLAS calorimeters.Data were collected in 2009 and 2010 at centre-of-mass energies of 900 GeV and 7 TeV.Events were selected using a minimum-bias trigger which required a charged particle in scintillation counters on either side of the interaction point.Particle flows, sensitive to the underlying event, are measured using clusters of energy in the ATLAS calorimeters, taking advantage of their fine granularity.No Monte Carlo generator used in this analysis can accurately describe the measurements.The results are independent of those based on charged particles measured by the ATLAS tracking systems and can be used to constrain the parameters of Monte Carlo generators.",

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AU - Aad...[et al.], G.

AU - Dam, Mogens

AU - Hansen, John Renner

AU - Hansen, Jørgen Beck

AU - Hansen, Jørn Dines

AU - Hansen, Peter Henrik

AU - Jørgensen, Morten Dam

AU - Klinkby, Esben Bryndt

AU - Petersen, Troels Christian

AU - Xella, Stefania

AU - Boelaert, Nele Maria Philomena

AU - Kittelmann, Thomas Høvring

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N2 - We present first measurements of charged and neutral particle-flow correlations in pp collisions using the ATLAS calorimeters.Data were collected in 2009 and 2010 at centre-of-mass energies of 900 GeV and 7 TeV.Events were selected using a minimum-bias trigger which required a charged particle in scintillation counters on either side of the interaction point.Particle flows, sensitive to the underlying event, are measured using clusters of energy in the ATLAS calorimeters, taking advantage of their fine granularity.No Monte Carlo generator used in this analysis can accurately describe the measurements.The results are independent of those based on charged particles measured by the ATLAS tracking systems and can be used to constrain the parameters of Monte Carlo generators.

AB - We present first measurements of charged and neutral particle-flow correlations in pp collisions using the ATLAS calorimeters.Data were collected in 2009 and 2010 at centre-of-mass energies of 900 GeV and 7 TeV.Events were selected using a minimum-bias trigger which required a charged particle in scintillation counters on either side of the interaction point.Particle flows, sensitive to the underlying event, are measured using clusters of energy in the ATLAS calorimeters, taking advantage of their fine granularity.No Monte Carlo generator used in this analysis can accurately describe the measurements.The results are independent of those based on charged particles measured by the ATLAS tracking systems and can be used to constrain the parameters of Monte Carlo generators.

U2 - 10.1140/epjc/s10052-011-1636-z

DO - 10.1140/epjc/s10052-011-1636-z

M3 - Journal article

SN - 1434-6044

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JO - The European Physical Journal C: Particles and Fields

JF - The European Physical Journal C: Particles and Fields

IS - 5

ER -

Measurements of underlying-event properties using neutral and charged particles in pp collisions at vs= 900 GeV and vs= 7 TeV with the ATLAS detector at the LHC

Abstract

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