Forward Jet Production at the Large Hadron Collider

TL;DR

This paper explores forward jet production at the LHC using high-energy QCD factorization, enabling the resummation of significant logarithmic corrections and providing detailed calculations of relevant matrix elements.

Contribution

It introduces a framework for analyzing forward jet production at the LHC with high-energy factorization, including the computation of exclusive matrix elements and multi-gluon emission dynamics.

Findings

Resummation of both transverse momentum and rapidity logarithms.

Numerical insights into multi-gluon emission at large angles.

Development of a fully exclusive level calculation for forward jets.

Abstract

At the Large Hadron Collider (LHC) it will become possible for the first time to investigate experimentally the forward region in hadron-hadron collisions via high-$p_T$ processes. In the LHC forward kinematics QCD logarithmic corrections in the hard transverse momentum and in the large rapidity interval may both be quantitatively significant. We analyze the hadroproduction of forward jets in the framework of QCD high-energy factorization, which allows one to resum consistently both kinds of corrections to higher orders in QCD perturbation theory. We compute the short-distance matrix elements needed to evaluate the factorization formula at fully exclusive level. We discuss numerically dynamical features of multi-gluon emission at large angle encoded in the factorizing high-energy amplitudes.