Electroweak-correction effects in gauge-boson pair production at the LHC

Abstract

We have studied the effect of one-loop logarithmic electroweak radiative corrections on WZ and $W\gamma$ production processes at the LHC. We present analytical results for the leading-logarithmic electroweak corrections to the corresponding partonic processes du -> WZ, Wgamma. Using the leading-pole approximation we implement these corrections into Monte Carlo programs for $pp\to l{\nu }_l{l}^{\prime }{\bar{l}}^{\prime },l{\nu }_l\gamma$. We find that electroweak corrections lower the predictions by 5-20% in the physically interesting region of large transverse momentum and small rapidity separation of the gauge bosons.

28 pages, LaTex, 13 eps figures included; references added and corrected typos

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