Artículos de revistas
Search for a heavy neutral gauge boson in the dielectron channel with 5.4 fb(-1) of p(p)over-bar collisions at root s=1.96 TeV
Fecha
2011-01-10Registro en:
Physics Letters B. Amsterdam: Elsevier B.V., v. 695, n. 1-4, p. 88-94, 2011.
0370-2693
10.1016/j.physletb.2010.10.059
WOS:000286708700017
Autor
Joint Inst Nucl Res
Univ Buenos Aires
Centro Brasileiro de Pesquisas Físicas (CBPF)
Universidade do Estado do Rio de Janeiro (UERJ)
Universidade Federal do ABC (UFABC)
Universidade Estadual Paulista (Unesp)
York Univ
Simon Fraser Univ
Univ Sci & Technol China
Universidad de los Andes
Charles Univ Prague
Czech Tech Univ
Acad Sci Czech Republic
Univ San Francisco Quito
Univ Clermont Ferrand
Univ Grenoble 1
Aix Marseille Univ
Univ Paris 11
Univ Paris 06
Univ Paris 07
CEA
Univ Strasbourg
Univ Lyon 1
Univ Lyon
RWTH Aachen University
Univ Freiburg
Univ Gottingen
Johannes Gutenberg Univ Mainz
Univ Munich
Berg Univ Wuppertal
Panjab Univ
University of Delhi
Tata Inst Fundamental Res
Univ Coll Dublin
Korea University
CINVESTAV
FOM Inst NIKHEF
Univ Amsterdam
Radboud Univ Nijmegen
Institute for Theoretical and Experimental Physics (ITEP)
Moscow MV Lomonosov State Univ
Inst High Energy Phys
Petersburg Nucl Phys Inst
Uppsala Univ
Stockholm Univ
University of Lancaster
Univ London Imperial Coll Sci Technol & Med
University of Manchester
University of Arizona
University of California, Riverside (UCR)
Florida State University
Fermilab Natl Accelerator Lab
Univ Illinois
No Illinois Univ
Northwestern University (NU)
Indiana University
Purdue University Calumet
Univ Notre Dame
Iowa State Univ
University of Kansas (KU)
Kansas State University
Louisiana Tech University
University of Maryland
Boston University
Northeastern University
University of Michigan
Michigan State University
University of Mississippi
Univ Nebraska
Rutgers State Univ
Princeton University
SUNY Buffalo
Columbia University
University of Rochester
SUNY Stony Brook
Brookhaven Natl Lab
Langston Univ
University of Oklahoma
Oklahoma State Univ
Brown University
Univ Texas Arlington
So Methodist Univ
Rice University
University of Virginia (UVA)
University of Washington
Augustana Coll
Univ Liverpool
SLAC
ICREA IFAE
IPN
Univ Autonoma Sinaloa
Univ Bern
Institución
Resumen
We report the results of a search for a heavy neutral gauge boson Z' decaying into the dielectron final state using data corresponding to an integrated luminosity of 5.4 fb(-1) collected by the D0 experiment at the Fermilab Tevatron Collider. No significant excess above the standard model prediction is observed in the dielectron invariant-mass spectrum. We set 95 sigma(p (p) over bar -> Z') x BR(Z' -> ee) depending on the dielectron invariant mass. These cross section limits are used to determine lower mass limits for bosons in a variety of models. For the sequential standard model boson a lower mass limit of 1023 GeV is obtained. (C) 2010 Elsevier B.V. All rights reserved.