Production of electroweak gauge bosons in off-shell gluon-gluon fusion

Understand

We study the production of electroweak gauge bosons at high energies in the framework of kt-factorization QCD approach.

• Contributions from the valence quarks are calculated using the quark-gluon interaction and quark-antiquark annihilation QCD subprocesses.
• The total and differential cross sections (as a function of the transverse momentum and rapidity) are presented and the ratio of cross sections for W and Z boson production is investigated.
• The conservative error analysis is performed.