# Deeply-virtual and photoproduction of mesons at higher-order and higher-twist

Source: [Deeply-virtual and photoproduction of mesons at higher-order and higher-twist](<https://www.sota2.com/research/paper/68fa45301e209131ce916c45>)

Collection index: [llms.txt](<https://www.sota2.com/research/llms.txt>)

Data updated: 2025-10-27T04:23:11.318Z

Authors: K. Passek-K.

Published: 2023-08-18T09:41:53.000Z

## Abstract

Both deeply-virtual and photoproduction of mesons offer promising access to generalized parton distributions and complementary description of different kinematical regions. The higher-order contributions offer stabilizing effect with respect to the dependence on renormalization scales, while higher-twist effects have been identified as especially important in the case of the production of pseudo-scalar mesons. This was confirmed by recent evaluation of the complete twist-3 contribution to $\\pi$ and $\\eta$/$\\eta'$ photoproduction and its confrontation with experimental data.

## Recorded benchmark results

A research result applies to its stated dataset, split, metric and evaluation configuration. Compare like-for-like settings, preserve the metric's unit and direction, and distinguish paper-reported results from independent reproduction. The best result recorded here is not a claim of exhaustive, current global coverage.

## Original sources and implementation

[Original paper](<https://arxiv.org/abs/2308.09422>)

[PDF](<https://arxiv.org/pdf/2308.09422.pdf>)