Analysis of ${\Delta }^{+}(1232)$ Isobar Observables, with Improved Quark Distribution Amplitudes

Abstract

A model distribution amplitude for the ${\Delta }^{+}(1232)$ isobar is proposed, derived on the basis of the QCD sum-rule calculations of Farrar et al. combined with those of Carlson and Poor. The transition form factor $\gamma p{\Delta }^{+}$ is calculated modeling the proton by selected distribution amplitudes. Furthermore, predictions are made for some exclusive charmonium decays into $\Delta \bar{\Delta }$. The obtained results are compared with other theoretical models and with the available data.

arXiv comment15 pages, RUB-TPII-22/92 Preprint

Cited by in corpus (8)

• Measurements of the Delta(1232) Transition Form Factor and the Ratio sigma_nσ_p From Inelastic Electron-Proton and Electron-Deuteron Scattering
• Chimera distribution amplitudes for the pion and the longitudinally polarized $\rho$-meson
• Analyticity properties of three-point functions in QCD beyond leading order
• Soft Contribution to Form Factors of ${\gamma }^{\ast }p\to {\Delta }^{+}$ Transition
• Heterotic Approach to the Nucleon Distribution Amplitude
• Light cone nucleon wave function in the quark-soliton model
• Quark-Hadron Duality and ${\gamma }^{\ast }p\to \Delta$ Form Factors
• Light-cone distribution amplitudes of the nucleon and $\Delta$ baryon