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

ATLAS Collaboration

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

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

ATLAS Collaboration

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University of Geneva
Azerbaijan National Academy of Sciences
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Tel Aviv University
Université Paris-Sud
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Abdus Salam International Centre for Theoretical Physics
United States Department of Energy
Hampton University
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Max Planck Institute for Physics (Werner Heisenberg Institute)
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Queen Mary University of London
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Brandeis University
University of Granada
Johannes Gutenberg University Mainz
Boston University
Stony Brook University
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University of Rome Tor Vergata
Bogazici University
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Laboratoire de Physique Subatomique et de Cosmologie de Grenoble
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Massachusetts Institute of Technology
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Turkish Atomic Energy Authority
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Resumen

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.

Idioma original	Inglés
Número de artículo	1636
Publicación	European Physical Journal C
Volumen	71
N.º	5
DOI	https://doi.org/10.1140/epjc/s10052-011-1636-z
Estado	Publicada - 2011
Publicado de forma externa	Sí

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title = "Measurements of underlying-event properties using neutral and charged particles in pp collisions at √s = 900 GeV and √s = 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.",

author = "Z. Liang and Z. Liang and B. Martin and J. Meyer and S. Kabana and \{ATLAS Collaboration\}",

note = "Publisher Copyright: {\textcopyright} CERN for the benefit of the ATLAS collaboration 2011.",

year = "2011",

doi = "10.1140/epjc/s10052-011-1636-z",

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volume = "71",

journal = "European Physical Journal C",

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T1 - Measurements of underlying-event properties using neutral and charged particles in pp collisions at √s = 900 GeV and √s = 7 TeV with the ATLAS detector at the LHC

AU - Liang, Z.

AU - Martin, B.

AU - Meyer, J.

AU - Kabana, S.

AU - ATLAS Collaboration

PY - 2011

Y1 - 2011

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.

UR - https://www.scopus.com/pages/publications/84879584098

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

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

M3 - Article

AN - SCOPUS:84879584098

SN - 1434-6044

VL - 71

JO - European Physical Journal C

JF - European Physical Journal C

IS - 5

M1 - 1636

ER -

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

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