Study of the {ital ZZ}{gamma} and {ital Z}{gamma}{gamma} Couplings in {ital Z}({nu}{nu} ){gamma} Production
1997
We have measured the ZZ{gamma} and Z{gamma}{gamma} couplings by studying 13.1pb{sup -1} of p{bar p}{r_arrow}E/{sub t}{gamma}+X data at {radical}(s)=1.8TeV with the DO/ detector at the Fermilab Tevatron Collider. This is the first study of hadronic Z{gamma} production in the neutrino decay channel. Combining this measurement with our previous results using Z{r_arrow}ee and {mu}{mu} yields the most stringent 95{percent} C.L. limits to date on anomalous couplings: {vert_bar}h{sup Z}{sub 30}{vert_bar}{lt}0.4, {vert_bar}h{sup Z}{sub 40}{vert_bar}{lt}0.06 ({Lambda}=750GeV). {copyright} {ital 1997} {ital The American Physical Society}
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