Hard exclusive pion leptoproduction
Abstract
In this talk it is reported on an analysis of hard exclusive leptoproduction of pions within the handbag approach. It is argued that recent measurements of this process performed by HERMES and CLAS clearly indicate the occurrence of strong contributions from transversely polarized photons. Within the handbag approach such gamma*_T -> pi transitions are described by the transversity GPDs accompanied by twist-3 pion wave functions. It is shown that the handbag approach leads to results on cross sections and single-spin asymmetries in fair agreement with experiment. Predictions for other pseudoscalar meson channels are also briefly discussed.8 pages
Cite
@article{arxiv.1602.03803,
title = {Hard exclusive pion leptoproduction},
author = {Peter Kroll},
journal= {arXiv preprint arXiv:1602.03803},
year = {2025}
}
Comments
8 pages, 8 figures, uses svglov2.clo and svjour2.cls talk presented at the ECT* workshop "Nucleon Resonances: From Photoproduction to High Photon Virtualities