Demonstration of One Cutoff Phase Space Slicing Method: Next-to-Leading Order QCD Corrections to the $tW$ Associated Production in Hadron Collision

Abstract

We present a detailed calculation of next-to-leading order QCD corrections to the $tW$ associated production using the one cutoff phase space slicing method. Such QCD corrections have been calculated independently by two groups already, however, a number of differences were found. It is desirable to have a third party calculation to make a crossing check. In this note, we present our complete results of the virtual corrections which are not shown in the literature so far. The numerical comparison will be presented in the forthcoming paper. As a demonstration of the one cutoff phase space slicing method, we also show in details how to organize the color ordered amplitudes and how to slice the soft and collinear phase space regions.

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