English

Features of $\pi \Delta$ Photoproduction at High Energies

High Energy Physics - Phenomenology 2018-02-07 v2

Abstract

Hybrid/exotic meson spectroscopy searches at Jefferson Lab require the accurate theoretical description of the production mechanism in peripheral photoproduction. We develop a model for πΔ\pi\Delta photoproduction at high energies (5Elab16 GeV5 \leq E_{\text{lab}} \leq 16~\text{GeV}) that incorporates both the absorbed pion and natural-parity cut contributions. We fit the available observables, providing a good description of the energy and angular dependencies of the experimental data. We also provide predictions for the photon beam asymmetry of charged pions at Elab=9 GeVE_{\text{lab}} = 9~\text{GeV} which is expected to be measured by GlueX and CLAS12 experiments in the near future.

Keywords

Cite

@article{arxiv.1710.09394,
  title  = {Features of $\pi \Delta$ Photoproduction at High Energies},
  author = {J. Nys and V. Mathieu and C. Fernández-Ramírez and A. Jackura and M. Mikhasenko and A. Pilloni and N. Sherrill and J. Ryckebusch and A. P. Szczepaniak and G. Fox},
  journal= {arXiv preprint arXiv:1710.09394},
  year   = {2018}
}