ATLAS first results: charged-particle multiplicities in pp interactions at √s = 900 GeV

W. H. Bell

ATLAS first results: charged-particle multiplicities in pp interactions at √s = 900 GeV

Computer And Information Sciences

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution book

Abstract

The first physics results from pp collisions measured with the ATLAS detector [1] at the Large Hadron Collider (LHC) [2] are presented. The analysis within the kinematic range pT > 500 MeV, |η| < 2.5, and at least one charged-particle in this range, is summarised. 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 model predictions.

Original language	English
Title of host publication	Proceedings 45th Rencontres de Moriond on QCD and High Energy Interactions
Editors	Etienne Augé, Jacques Dumarchez, Bolek Pietrzyk, Jean Trân Thanh Vân
Number of pages	4
Publication status	Published - 20 Mar 2010
Event	45th Rencontres de Moriond on QCD and High Energy Interactions 2010 - La Thuile, Italy Duration: 13 Mar 2010 → 20 Mar 2010

Conference

Conference	45th Rencontres de Moriond on QCD and High Energy Interactions 2010
Country	Italy
City	La Thuile
Period	13/03/10 → 20/03/10

Keywords

ATLAS detector
Large Hadron Collider (LHC)

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title = "ATLAS first results: charged-particle multiplicities in pp interactions at √s = 900 GeV",

abstract = "The first physics results from pp collisions measured with the ATLAS detector [1] at the Large Hadron Collider (LHC) [2] are presented. The analysis within the kinematic range pT > 500 MeV, |η| < 2.5, and at least one charged-particle in this range, is summarised. 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 model predictions.",

keywords = "ATLAS detector, Large Hadron Collider (LHC)",

author = "Bell, {W. H.}",

year = "2010",

month = mar,

day = "20",

language = "English",

editor = "Aug{\'e}, {Etienne } and Dumarchez, {Jacques } and Pietrzyk, {Bolek } and {Thanh V{\^a}n}, {Jean Tr{\^a}n }",

booktitle = "Proceedings 45th Rencontres de Moriond on QCD and High Energy Interactions",

note = "45th Rencontres de Moriond on QCD and High Energy Interactions 2010 ; Conference date: 13-03-2010 Through 20-03-2010",

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T1 - ATLAS first results

T2 - 45th Rencontres de Moriond on QCD and High Energy Interactions 2010

AU - Bell, W. H.

PY - 2010/3/20

Y1 - 2010/3/20

N2 - The first physics results from pp collisions measured with the ATLAS detector [1] at the Large Hadron Collider (LHC) [2] are presented. The analysis within the kinematic range pT > 500 MeV, |η| < 2.5, and at least one charged-particle in this range, is summarised. 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 model predictions.

AB - The first physics results from pp collisions measured with the ATLAS detector [1] at the Large Hadron Collider (LHC) [2] are presented. The analysis within the kinematic range pT > 500 MeV, |η| < 2.5, and at least one charged-particle in this range, is summarised. 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 model predictions.

KW - ATLAS detector

KW - Large Hadron Collider (LHC)

UR - https://inspirehep.net/files/8a865cfe95a58135d45c600d14644127

M3 - Conference contribution book

BT - Proceedings 45th Rencontres de Moriond on QCD and High Energy Interactions

A2 - Augé, Etienne

A2 - Dumarchez, Jacques

A2 - Pietrzyk, Bolek

A2 - Thanh Vân, Jean Trân

Y2 - 13 March 2010 through 20 March 2010

ER -