Artículos de revistas
Measurement of the rapidity and transverse momentum distributions of Z bosons in pp collisions at √(s)=7TeV
Fecha
2012-02-07Registro en:
Physical Review D - Particles, Fields, Gravitation and Cosmology, v. 85, n. 3, 2012.
1550-7998
1550-2368
10.1103/PhysRevD.85.032002
2-s2.0-84863230000
Autor
Yerevan Physics Institute
Institut für Hochenergiephysik der OeAW
National Centre for Particle and High Energy Physics
Universiteit Antwerpen
Vrije Universiteit Brussel
Université Libre de Bruxelles
Ghent University
Université Catholique de Louvain
Université de Mons
Centro Brasileiro de Pesquisas Fisicas
Universidade do Estado do Rio de Janeiro (UERJ)
Universidade Estadual Paulista (UNESP)
Institute for Nuclear Research and Nuclear Energy
University of Sofia
Institute of High Energy Physics
Peking University
Universidad de Los Andes
Technical University of Split
University of Split
Institute Rudjer Boskovic
University of Cyprus
Charles University
Egyptian Network of High Energy Physics
National Institute of Chemical Physics and Biophysics
University of Helsinki
Helsinki Institute of Physics
Lappeenranta University of Technology
IN2P3-CNRS
CEA/Saclay
Université de Haute Alsace Mulhouse
Centre de Calcul de l'Institut National de Physique Nucleaire et de Physique des Particules (IN2P3)
USA Institut de Physique Nucléaire de Lyon
Tbilisi State University
I. Physikalisches Institut
III. Physikalisches Institut A
III. Physikalisches Institut B
Deutsches Elektronen-Synchrotron
University of Hamburg
Institut für Experimentelle Kernphysik
Institute of Nuclear Physics Demokritos
University of Athens
University of Ioannina
KFKI Research Institute for Particle and Nuclear Physics
Institute of Nuclear Research ATOMKI
University of Debrecen
Panjab University
University of Delhi
Saha Institute of Nuclear Physics
Bhabha Atomic Research Centre
EHEP
HECR
Institute for Research and Fundamental Sciences (IPM)
INFN Sezione di Bari
Université di Bari
Politecnico di Bari
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Université di Bologna
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Université di Catania
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Université di Milano-Bicocca
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Kyungpook National University
Institute for Universe and Elementary Particles
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Vilnius University
Centro de Investigacion y de Estudios Avanzados del IPN
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University of Auckland
University of Canterbury
Quaid-I-Azam University
University of Warsaw
Soltan Institute for Nuclear Studies
Laboratório de Instrumentação e Fisica Experimental de Partículas
Joint Institute for Nuclear Research
Petersburg Nuclear Physics Institute
Institute for Nuclear Research
Institute for Theoretical and Experimental Physics
Moscow State University
P.N. Lebedev Physical Institute
Institute for High Energy Physics
Vinca Institute of Nuclear Sciences
Centro de Investigaciones Energéticas Medioambientales y Tecnológicas (CIEMAT)
Universidad Autónoma de Madrid
Universidad de Oviedo
CSIC-Universidad de Cantabria
European Organization for Nuclear Research
Paul Scherrer Institut
ETH Zurich
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Mersin University
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Suleyman Demirel University
Ege University
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Los Alamos National Laboratory
Erzincan University
Institución
Resumen
Measurements of the normalized rapidity (y) and transverse-momentum (q T) distributions of Drell-Yan muon and electron pairs in the Z-boson mass region (60<M<120GeV) are reported. The results are obtained using a data sample of proton-proton collisions at a center-of-mass energy of 7 TeV, collected by the CMS experiment at the Large Hadron Collider (LHC), corresponding to an integrated luminosity of 36pb -1. The distributions are measured over the ranges |y|<3.5 and q T< 600GeV and compared with quantum chromodynamics (QCD) calculations using recent parton distribution functions to model the momenta of the quarks and gluons in the protons. Overall agreement is observed between the models and data for the rapidity distribution, while no single model describes the Z transverse-momentum distribution over the full range. © 2012 CERN.