Measurement of the cross section for the production of a W boson in association with b-jets in pp collisions at √s = 7 TeV with the ATLAS detector

ATLAS Collaboration

doi:10.1016/j.physletb.2011.12.046

Measurement of the cross section for the production of a W boson in association with b-jets in pp collisions at √s = 7 TeV with the ATLAS detector

ATLAS Collaboration

University of Freiburg
University of Oklahoma
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University of Bern
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University of Oxford
Azerbaijan National Academy of Sciences
Oklahoma State University
Michigan State University
Tel Aviv University
Université Paris-Sud
National Institute for Nuclear Physics
University of Milan
Abdus Salam International Centre for Theoretical Physics
United States Department of Energy
Hampton University
Yale University
Max Planck Institute for Physics (Werner Heisenberg Institute)
Ludwig Maximilian University of Munich
Queen Mary University of London
Rutherford Appleton Laboratory
Brandeis University
Laboratório de Instrumentação e Física Experimental de Partículas
University of Granada
Johannes Gutenberg University Mainz
Boston University
Stony Brook University
University of Texas at Dallas
University of Rome Tor Vergata
Bogazici University
Istanbul Technical University
Lund University
The University of Tokyo
Academy of Sciences Rusia
Kobe University
SUNY Albany
Royal Holloway University of London
University of Victoria BC
Laboratoire de Physique Subatomique et de Cosmologie de Grenoble
Joint Institute for Nuclear Research
Horia Hulubei National Institute of Physics and Nuclear Engineering
West University of Timisoara
National Technical University of Athens
University of Bonn
Humboldt University of Berlin
University of Pennsylvania
University of Liverpool
University of Salento
University of Glasgow
University of Manchester
University of Naples Federico II
Weizmann Institute of Science
High Energy Accelerator Research Organization, Tsukuba
Institute for High Energy Physics
University of Lisbon
University of Valencia
Columbia University
Heidelberg University
The University of Chicago
Universidad Nacional de La Plata
National and Kapodistrian University of Athens
Moscow Engineering Physics Institute
Slovak Academy of Sciences
Aix-Marseille Université and CNRS/IN2P3
IN2P3
SLAC National Accelerator Laboratory
Duke University
Carleton University
Lawrence Berkeley National Laboratory
University of Michigan, Ann Arbor
Alikhanov Institute for Theoretical and Experimental Physics
University of Rome La Sapienza
University of Wisconsin-Madison
University of Cambridge
Stockholm University
Oskar Klein Centre
Argonne National Laboratory
Justus Liebig University Giessen
Czech Technical University in Prague
University of Johannesburg
University of California at Irvine
University of British Columbia
University of Göttingen
University of Montreal
TRIUMF
Roma Tre University
CEA Saclay (Commissariat a l'Energie Atomique)
University of Alberta
CAS - Institute of High Energy Physics
University of Toronto
University College London
Institute of Nuclear Physics PAN
University of California at Santa Cruz
University of Birmingham
University of Melbourne
University of Genoa
University of Wuppertal
Universidad Autónoma de Madrid
Harvard University
Lancaster University
University of Sussex
Comenius University
California State University Fresno
Laboratoire de Physique Nucléaire et de Hautes Energies
German Electron Synchrotron
Gaziantep University
Technion-Israel Institute of Technology
University of Iowa
McGill University
Budker Institute of Nuclear Physics of the Siberian Branch of the RAS
University of Hassan II Casablanca
University of Illinois at Urbana-Champaign
University of Regina
University of Amsterdam
University of Bologna
University of Pisa
University of Edinburgh
University of Applied Sciences Wiener Neustadt
Institut National de Physique Nucléaire et de Physique des Particules (IN2P3)
University of Copenhagen
Belarus Academy of Sciences
AGH University of Krakow
University of Sheffield
University of Belgrade
University of Pittsburgh
University of Texas at Arlington
Tokyo Metropolitan University
University of Massachusetts
University of Oregon
Uppsala University
Universidad Técnica Federico Santa Maria
Indiana University Bloomington
University of Bergen
University of Siegen
New York University
University of Oslo
TU Dortmund University
Université Clermont Auvergne
Ankara University
Northern Illinois University
Universidade Federal do Rio de Janeiro
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Dogus University
Radboud University Nijmegen
Iowa State University
Nanjing University
Mohammed V University in Rabat
University of Arizona
Georgian National Academy of Sciences
Academia Sinica - Institute of Physics
Czech Academy of Sciences
Jožef Stefan Institute
University of Naples Parthenope
Institute of Particle Physics
National University of Science and Technology POLITEHNICA Bucharest
Charles University
Simon Fraser University
Southern Methodist University
Middle East Technical University
Mohamed I University
Louisiana Tech University
Pontificia Universidad Católica de Chile
Ivane Javakhishvili Tbilisi State University
Universidade de São Paulo
Kutahya Dumlupinar University
Cadi Ayyad University
University of Innsbruck
Petersburg Nuclear Physics Institute (PNPI)
Shandong University
Ohio State University
University of Würzburg
University of Washington
Technische Universität Dresden
National Center for Energy, Nuclear Science and Technology
Belarusian State University
Lomonosov Moscow State University
Universidad de Buenos Aires
University of New Mexico
A. Alikhanian Yerevan Institute of Physics
Palacký University Olomouc
Tufts University
University of Science and Technology of China
The University of Osaka
University of Tsukuba
Nagoya University
Shinshu University
Aristotle University of Thessaloniki
Kyoto University
Institute of Science Tokyo
Waseda University
University of Hamburg
Manhattan College
The University of Sydney
University of the Witwatersrand
Sun Yat-Sen University
Universidad Antonio Nariño
KTH Royal Institute of Technology
Hiroshima Institute of Technology
Okayama University
Hiroshima University
University of Minho
York University Toronto
University of South Carolina
KFKI Research Institute for Particle and Nuclear Physics
California Institute of Technology
Jagiellonian University in Kraków
Nagasaki Institute of Applied Science
TOBB University of Economics and Technology
Kyoto University of Education
Ritsumeikan University
Massachusetts Institute of Technology
Turkish Atomic Energy Authority
Gazi University

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Resumen

A measurement is presented of the cross section for the production of a W boson with one or two jets, of which at least one must be a b-jet, in pp collisions at √s = 7 TeV. Production via top decay is not included in the signal definition. The measurement is based on 35 pb^-1 of data collected with the ATLAS detector at the LHC. The W + b-jet cross section is defined for jets reconstructed with the antikt clustering algorithm with transverse momentum above 25 GeV and rapidity within ±2.1. The b-jets are identified by reconstructing secondary vertices. The fiducial cross section is measured both for the electron and muon decay channel of the W boson and is found to be 10.2 ± 1.9(stat) ± 2.6(syst) pb for one lepton flavour. The results are compared with next-to-leading order QCD calculations, which predict a cross section smaller than, though consistent with, the measured value.

Idioma original	Inglés
Páginas (desde-hasta)	418-437
Número de páginas	20
Publicación	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volumen	707
N.º	5
DOI	https://doi.org/10.1016/j.physletb.2011.12.046
Estado	Publicada - 1 feb 2012
Publicado de forma externa	Sí

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title = "Measurement of the cross section for the production of a W boson in association with b-jets in pp collisions at √s = 7 TeV with the ATLAS detector",

abstract = "A measurement is presented of the cross section for the production of a W boson with one or two jets, of which at least one must be a b-jet, in pp collisions at √s = 7 TeV. Production via top decay is not included in the signal definition. The measurement is based on 35 pb-1 of data collected with the ATLAS detector at the LHC. The W + b-jet cross section is defined for jets reconstructed with the antikt clustering algorithm with transverse momentum above 25 GeV and rapidity within ±2.1. The b-jets are identified by reconstructing secondary vertices. The fiducial cross section is measured both for the electron and muon decay channel of the W boson and is found to be 10.2 ± 1.9(stat) ± 2.6(syst) pb for one lepton flavour. The results are compared with next-to-leading order QCD calculations, which predict a cross section smaller than, though consistent with, the measured value.",

author = "G. Aad and B. Abbott and J. Abdallah and Abdelalim, \{A. A.\} and S. Kabana and \{ATLAS Collaboration\}",

note = "Publisher Copyright: {\textcopyright} 2011 CERN.",

year = "2012",

month = feb,

day = "1",

doi = "10.1016/j.physletb.2011.12.046",

language = "English",

volume = "707",

pages = "418--437",

journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",

issn = "0370-2693",

number = "5",

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Measurement of the cross section for the production of a W boson in association with b-jets in pp collisions at √s = 7 TeV with the ATLAS detector. / ATLAS Collaboration.
En: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 707, N.º 5, 01.02.2012, p. 418-437.

Producción científica: Contribución a una revista › Artículo › revisión exhaustiva

TY - JOUR

T1 - Measurement of the cross section for the production of a W boson in association with b-jets in pp collisions at √s = 7 TeV with the ATLAS detector

AU - Aad, G.

AU - Abbott, B.

AU - Abdallah, J.

AU - Abdelalim, A. A.

AU - Kabana, S.

AU - ATLAS Collaboration

PY - 2012/2/1

Y1 - 2012/2/1

N2 - A measurement is presented of the cross section for the production of a W boson with one or two jets, of which at least one must be a b-jet, in pp collisions at √s = 7 TeV. Production via top decay is not included in the signal definition. The measurement is based on 35 pb-1 of data collected with the ATLAS detector at the LHC. The W + b-jet cross section is defined for jets reconstructed with the antikt clustering algorithm with transverse momentum above 25 GeV and rapidity within ±2.1. The b-jets are identified by reconstructing secondary vertices. The fiducial cross section is measured both for the electron and muon decay channel of the W boson and is found to be 10.2 ± 1.9(stat) ± 2.6(syst) pb for one lepton flavour. The results are compared with next-to-leading order QCD calculations, which predict a cross section smaller than, though consistent with, the measured value.

AB - A measurement is presented of the cross section for the production of a W boson with one or two jets, of which at least one must be a b-jet, in pp collisions at √s = 7 TeV. Production via top decay is not included in the signal definition. The measurement is based on 35 pb-1 of data collected with the ATLAS detector at the LHC. The W + b-jet cross section is defined for jets reconstructed with the antikt clustering algorithm with transverse momentum above 25 GeV and rapidity within ±2.1. The b-jets are identified by reconstructing secondary vertices. The fiducial cross section is measured both for the electron and muon decay channel of the W boson and is found to be 10.2 ± 1.9(stat) ± 2.6(syst) pb for one lepton flavour. The results are compared with next-to-leading order QCD calculations, which predict a cross section smaller than, though consistent with, the measured value.

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AN - SCOPUS:84941998031

SN - 0370-2693

VL - 707

SP - 418

EP - 437

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

IS - 5

ER -

Measurement of the cross section for the production of a W boson in association with b-jets in pp collisions at √s = 7 TeV with the ATLAS detector

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