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Measurement of Z-pair production in e+ e- collisions and constraints on anomalous neutral gauge couplings

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Article number124
<mark>Journal publication date</mark>29/04/2009
<mark>Journal</mark>Journal of High Energy Physics
Issue number4
Volume2009
Number of pages1
Publication StatusPublished
<mark>Original language</mark>English

Abstract

The ZZ production cross section is measured from a data sample corresponding to a total integrated luminosity of 452 pb−1, collected by the ALEPH experiment at LEP at centre-of-mass energies from 192 to 209 GeV. Individual cross sections, extracted at six centre-of-mass energies, are found to be in agreement with Standard Model calculations. The results are used to set limits on anomalous neutral gauge couplings.