QCD Corrections and Anomalous Couplings in $Z\gamma$ Production at Hadron Colliders

Abstract

The processes $pp/pbarp\to Z\gamma +X\to {\ell }^{+}{\ell }^{-}\gamma +X$ ($\ell =e,\mu$) and $pp/pbarp\to Z\gamma +X\to \bar{\nu }\nu \gamma +X$ are calculated to $\mathcal{O}({\alpha }_s)$ for general $ZZ\gamma$ and $Z\gamma \gamma$ couplings. The impact of $\mathcal{O}({\alpha }_s)$ QCD corrections on the observability of $ZZ\gamma$ and $Z\gamma \gamma$ couplings in $Z\gamma$ production at the Tevatron and the Large Hadron Collider (LHC) is discussed.

arXiv comment47 pages, Revtex3 file, 15 postscript figures

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