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

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 photoproduction at high energies (5≤ $E_{lab}$ ≤16 GeV 5 ≤ $E_{lab}$ ≤ 16 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 GeV E lab = 9 GeV which is expected to be measured by GlueX and CLAS12 experiments in the near future.


Publication Date:
Apr 10 2018
Date Submitted:
Aug 10 2018
Pagination:
77-81
ISSN:
1873-2445
Citation:
Physics Letters B
Note:
A freely accessible, full text version is available using the link(s) in External Resources.
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 Record created 2018-08-10, last modified 2019-04-03


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