Study of ZZ production at LEP at sqrt(s) = 183 - 209 GeV
Gabriella Pasztor
TL;DR
This paper reports on the measurement of Z boson pair production at LEP energies, setting limits on anomalous couplings and models of low-scale quantum gravity, contributing to precision tests of the Standard Model and beyond.
Contribution
It provides the first measurements of ZZ production cross-section at LEP energies and sets new limits on anomalous couplings and extra-dimensional gravity models.
Findings
Measured ZZ production cross-section at various energies.
Set limits on anomalous ZZgamma and ZZZ couplings.
Constrained models of low-scale quantum gravity.
Abstract
A study of Z boson pair production in e+e- annihilation using the OPAL detector at LEP is reported. The ZZ production cross-section is measured, limits on anomalous ZZgamma and ZZZ couplings are derived, and constraints on models of low scale quantum gravity in extra spatial dimensions are set.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Cosmology and Gravitation Theories · Noncommutative and Quantum Gravity Theories