Factorization and QCD Enhancements in the Compton Mechanism of W And Z Boson Hadroproduction

Abstract

It is argued that $W/Z$ boson production in ultra-relativistic $pp$ collisions in the fragmentation region, subject to a kinematic cut on the boson transverse momentum $Q_{\perp }>Q_{\perp \min }$, with 1 GeV/c$\ll Q_{\perp \min }\ll M_{W/Z}$, must be dominated by the Compton mechanism $qg\to q^{\prime }W/Z$. We propose applications for boson hadroproduction in this kinematics and formulate the factorization theorem. The analysis of QCD enhancements indicates that Regge behavior should manifest itself not only in the $s$ but also in $Q_{\perp }$-dependence of the boson production differential cross-section.

Comments: 7 pages, 2 figures, proceedings of QEDSP-2011 conference