Features of πΔ Photoproduction at High Energies

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https://doi.org/10.1016/j.physletb.2018.01.075
https://doi.org/10.1016/j.physletb.2018.01.075

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2018-04-10

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https://hdl.handle.net/2022/31987

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 photoproduction at high energies (5≤ Elab ≤16 GeV 5 ≤ Elab ≤ 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.

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Nys, J., et al. "Features of πΔ Photoproduction at High Energies." Physics Letters B, pp. 77-81, 2018-4-10, https://doi.org/10.1016/j.physletb.2018.01.075.

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Physics Letters B

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Faculty Open Access Articles