Tests of Factorization in Diffractive Charm Production and Double Pomeron Exchange

TL;DR

This paper predicts diffractive heavy quark and dijet production in various collisions using factorization-based models fitted to HERA data, finding factorization holds in DIS but not in hadron-induced processes.

Contribution

It provides a comparative analysis of factorization validity in diffractive processes across different collision types using previously fitted diffractive parton densities.

Findings

Factorization holds in diffractive DIS.

Factorization fails in hadron-induced diffractive processes.

Predictions align with some experimental data.

Abstract

We present predictions for the diffractive production of heavy quarks in deep-inelastic scattering and hadron-hadron collisions and for double diffractive dijet production in hadron-hadron collisions. With the assumption of hard scattering factorization, the predictions are made using diffractive parton densities that we have previously fitted to HERA data. Comparisons of our predictions with preliminary data from HERA and the Tevatron indicate that factorization is obeyed in diffractive DIS but fails in hadron-induced processes.