Diffractive photon production at high momentum transfer in $ep$ collisions
V. P. Goncalves, W. K. Sauter
TL;DR
This paper revisits the theoretical modeling of diffractive photon production at high energies in ep collisions, incorporating NLO BFKL corrections to improve agreement with experimental data.
Contribution
It introduces the first estimation of differential and total cross sections with NLO BFKL corrections for this process.
Findings
Reasonable agreement with DESY HERA data
NLO corrections significantly affect cross section predictions
Enhances understanding of parton dynamics in diffractive processes
Abstract
The diffractive photon production at large momentum transfer and large energies is a probe of the parton dynamics of the diffractive exchange. In this paper we revisit the leading order (LO) BFKL equation approach for this process and estimate, for the first time, the differential and total cross sections considering the next-to-leading order (NLO) corrections for the BFKL characteristic function. We obtain a reasonable agreement with the DESY HERA data.
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