Reggeized model for $\gamma p\to {\rho }^{-}{\Delta }^{++}(1232)$ photoproduction

Abstract

A model for the reaction $\gamma p\to {\rho }^{-}{\Delta }^{++}$ is presented with the $t$-channel $\pi +\rho$ exchanges reggeized to describe the reaction up to high energies. Gauge invariance of $\rho$ exchange is discussed in connection with the convergence of the reaction cross section at high energy. The roles of electromagnetic (EM) multipole moments of ${\Delta }^{++}$ baryon and of ${\rho }^{-}$ meson are analyzed in total and differential cross sections and spin density matrix elements. Photon polarization asymmetry $\Sigma$ is predicted for a measurement of electromagnetic moments of ${\rho }^{-}$ and of ${\Delta }^{++}$.

8 pages, 7 figures, 1 table

References in corpus (8)

• First Results from The GlueX Experiment
• Magnetic Dipole, Electric Quadrupole and Magnetic Octupole Moments of the $\Delta$ Baryons in Light Cone QCD Sum Rules
• Unitarity constraints on neutral pion electroproduction
• Features of $\pi \Delta$ Photoproduction at High Energies
• Investigating convergence of the reaction $\gamma p\to {\pi }^{\pm }\Delta$ and tensor meson $a_2$ exchange at high energy
• Features of forward $\pi N$ scattering from a Reggeized model
• Nondiffractive feature of $\gamma N\to {\rho }^{\pm }N$ with $\rho$-meson electromagnetic multipole moments
• Regge phenomenology of photoproduction of ${\pi }^{-}{\Delta }^{++}$ and scaling with saturation of trajectory

Cited by in corpus (1)

• Progress and Opportunities in Backward angle (u-channel) Physics