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Charged-particle multiplicities in pp interactions at √s = 900 GeV measured with the ATLAS detector at the LHC

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Charged-particle multiplicities in pp interactions at √s = 900 GeV measured with the ATLAS detector at the LHC. / The ATLAS collaboration.

In: Physics Letters B, Vol. 688, No. 1, 26.04.2010, p. 21-42.

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The ATLAS collaboration. / Charged-particle multiplicities in pp interactions at √s = 900 GeV measured with the ATLAS detector at the LHC. In: Physics Letters B. 2010 ; Vol. 688, No. 1. pp. 21-42.

Bibtex

@article{38a2fa6bae5e474d8166d4dab0bf9f64,
title = "Charged-particle multiplicities in pp interactions at √s = 900 GeV measured with the ATLAS detector at the LHC",
abstract = "The first measurements from proton–proton collisions recorded with the ATLAS detector at the LHC are presented. Data were collected in December 2009 using a minimum-bias trigger during collisions at a centre-of-mass energy of 900 GeV. The charged-particle multiplicity, its dependence on transverse momentum and pseudorapidity, and the relationship between mean transverse momentum and charged- particle multiplicity are measured for events with at least one charged particle in the kinematic range |η| < 2.5 and pT > 500 MeV. The measurements are compared to Monte Carlo models of proton–proton collisions and to results from other experiments at the same centre-of-mass energy. The charged-particle multiplicity per event and unit of pseudorapidity at η = 0 is measured to be 1.333 ± 0.003(stat.) ± 0.040(syst.), which is 5–15% higher than the Monte Carlo models predict.",
author = "Harald Fox and Guennadi Borissov and Evelina Bouhova-Thacker and Timothy Brodbeck and James Catmore and Sue Cheatham and Alexandre Chilingarov and Ruth Davidson and {de Mora}, Lee and Robert Henderson and Gareth Hughes and Roger Jones and Vakhtang Kartvelishvili and Robin Long and Peter Love and Peter Ratoff and Terence Sloan and Maria Smizanska and James Walder and {The ATLAS collaboration}",
note = "This article is distributed under the terms of the Creative Commons Attribution License 3.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are credited.",
year = "2010",
month = apr
day = "26",
doi = "10.1016/j.physletb.2010.03.064",
language = "English",
volume = "688",
pages = "21--42",
journal = "Physics Letters B",
issn = "0370-2693",
publisher = "ELSEVIER SCIENCE BV",
number = "1",

}

RIS

TY - JOUR

T1 - Charged-particle multiplicities in pp interactions at √s = 900 GeV measured with the ATLAS detector at the LHC

AU - Fox, Harald

AU - Borissov, Guennadi

AU - Bouhova-Thacker, Evelina

AU - Brodbeck, Timothy

AU - Catmore, James

AU - Cheatham, Sue

AU - Chilingarov, Alexandre

AU - Davidson, Ruth

AU - de Mora, Lee

AU - Henderson, Robert

AU - Hughes, Gareth

AU - Jones, Roger

AU - Kartvelishvili, Vakhtang

AU - Long, Robin

AU - Love, Peter

AU - Ratoff, Peter

AU - Sloan, Terence

AU - Smizanska, Maria

AU - Walder, James

AU - The ATLAS collaboration

N1 - This article is distributed under the terms of the Creative Commons Attribution License 3.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are credited.

PY - 2010/4/26

Y1 - 2010/4/26

N2 - The first measurements from proton–proton collisions recorded with the ATLAS detector at the LHC are presented. Data were collected in December 2009 using a minimum-bias trigger during collisions at a centre-of-mass energy of 900 GeV. The charged-particle multiplicity, its dependence on transverse momentum and pseudorapidity, and the relationship between mean transverse momentum and charged- particle multiplicity are measured for events with at least one charged particle in the kinematic range |η| < 2.5 and pT > 500 MeV. The measurements are compared to Monte Carlo models of proton–proton collisions and to results from other experiments at the same centre-of-mass energy. The charged-particle multiplicity per event and unit of pseudorapidity at η = 0 is measured to be 1.333 ± 0.003(stat.) ± 0.040(syst.), which is 5–15% higher than the Monte Carlo models predict.

AB - The first measurements from proton–proton collisions recorded with the ATLAS detector at the LHC are presented. Data were collected in December 2009 using a minimum-bias trigger during collisions at a centre-of-mass energy of 900 GeV. The charged-particle multiplicity, its dependence on transverse momentum and pseudorapidity, and the relationship between mean transverse momentum and charged- particle multiplicity are measured for events with at least one charged particle in the kinematic range |η| < 2.5 and pT > 500 MeV. The measurements are compared to Monte Carlo models of proton–proton collisions and to results from other experiments at the same centre-of-mass energy. The charged-particle multiplicity per event and unit of pseudorapidity at η = 0 is measured to be 1.333 ± 0.003(stat.) ± 0.040(syst.), which is 5–15% higher than the Monte Carlo models predict.

U2 - 10.1016/j.physletb.2010.03.064

DO - 10.1016/j.physletb.2010.03.064

M3 - Journal article

VL - 688

SP - 21

EP - 42

JO - Physics Letters B

JF - Physics Letters B

SN - 0370-2693

IS - 1

ER -