Search for Zγ events with large missing transverse energy in pp̄ collisions at √s=1.96TeV

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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/73646

Title:

Search for Zγ events with large missing transverse energy in pp̄ collisions at √s=1.96TeV

Author(s):

Institution:

Centro Brasileiro de Pesquisas Físicas (CBPF)
Universidade do Estado do Rio de Janeiro (UERJ)
Universidade Federal do ABC (UFABC)
University of Science and Technology of China
Universidad de los Andes
Center for Particle Physics
Czech Technical University in Prague
Academy of Sciences of the Czech Republic
Universidad San Francisco de Quito
CNRS/IN2P3
Institut National Polytechnique de Grenoble
Irfu, SPP
Université de Lyon
RWTH Aachen University
Universität Freiburg
Georg-August-Universität Göttingen
Universität Mainz
Ludwig-Maximilians-Universität München
Bergische Universität Wuppertal
Panjab University
Delhi
Tata Institute of Fundamental Research
University College Dublin
Korea University
CINVESTAV
Science Park
Radboud University Nijmegen
Joint Institute for Nuclear Research
Institute for Theoretical and Experimental Physics (ITEP)
Moscow State University
Institute for High Energy Physics
Petersburg Nuclear Physics Institute
Institut de Física d'Altes Energies (IFAE)
Uppsala University
Lancaster University
Imperial College London
University of Manchester
University of Arizona
University of California, Riverside (UCR)
Florida State University
Fermi National Accelerator Laboratory
University of Illinois at Chicago
Northern Illinois University
Northwestern University (NU)
Indiana University
Purdue University Calumet
University of Notre Dame
Iowa State University
University of Kansas (KU)
Kansas State University
Louisiana Tech University
Boston University
Northeastern University
University of Michigan
Michigan State University
University of Mississippi
University of Nebraska
Rutgers University
Princeton University
State University of New York
Columbia University
University of Rochester
Brookhaven National Laboratory
Langston University
University of Oklahoma
Oklahoma State University
Brown University
University of Texas
Southern Methodist University
Rice University
University of Virginia (UVA)
University of Washington
Augustana College
University of Liverpool
UPIITA-IPN
DESY
SLAC
University College London
Centro de Investigacion en Computacion-IPN
Universidad Autonoma de Sinaloa
Universidade Estadual Paulista (UNESP)

ISSN:

1550-7998
1550-2368

Abstract:

We present the first search for new phenomena in Zγ final states with large missing transverse energy using data corresponding to an integrated luminosity of 6.2fb -1 collected with the D0 experiment in pp̄ collisions at √s=1.96TeV. This signature is predicted in gauge-mediated supersymmetry-breaking models, where the lightest neutralino χ 10 is the next-to-lightest supersymmetric particle and is produced in pairs, possibly through decay from heavier supersymmetric particles. The χ 10 can decay either to a Z boson or a photon and an associated gravitino that escapes detection. We exclude this model at the 95% C.L. for supersymmetry-breaking scales of Λ<87TeV. © 2012 American Physical Society.

Issue Date:

2-Oct-2012

Citation:

Physical Review D - Particles, Fields, Gravitation and Cosmology, v. 86, n. 7, 2012.

Source:

http://dx.doi.org/10.1103/PhysRevD.86.071701

URI:

Access Rights:

Acesso restrito

Type:

outro

Source:

http://repositorio.unesp.br/handle/11449/73646

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