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Search for ExclusiveZ-Boson Production and Observation of High-Masspp¯→pγγp¯→pl+l−p¯Events inpp¯Collisions ats

Journal article published in 2009 by T. Aaltonen, J. Adelman, T. Akimoto, M. G. Albrow, B. Álvarez González, S. Amerio, D. Amidei, A. Anastassov, A. Annovi, J. Antos, G. Apollinari, A. Apresyan, T. Arisawa, A. Artikov, W. Ashmanskas and other authors.
This paper is available in a repository.
This paper is available in a repository.

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Abstract

This Letter presents a search for exclusive Z boson production in proton-antiproton collisions at s=1.96TeV, using the CDFII detector. No exclusive Z→l+l- candidates are observed and the first upper limit on the exclusive Z cross section in hadron collisions is found to be σexcl(Z)40GeV/c2 and |ηl|