Pion and proton form factors in the Regge description of electroproduction $p(e,e^{\prime }{\pi }^{+})n$

Abstract

Electroproduction of ${\pi }^{+}$ above the resonance region is analyzed in the Regge model for $\pi +\rho$ exchanges. Importance of the roles of pion and proton form factors in the process is discussed in comparison with existing models of Kaskulov and Mosel, and of Vrancx and Rychebusch. It is shown that the present model with proton form factor of a simple dipole-type yields a better description of DESY and JLab data over those models for high $Q^2$ and $-t$ region up to 5 GeV${}^2$.

5 pages, 5 figures

References in corpus (6)

• Nucleon Electromagnetic Form Factors
• Determination of the Charged Pion Form Factor at Q2=1.60 and 2.45 (GeV/c)2
• Charged pion form factor between $Q^2$=0.60 and 2.45 GeV${}^2$. I. Measurements of the cross section for the ${}^1$H($e,e^{\prime }{\pi }^{+}$)$n$ reaction
• Scaling study of the pion electroproduction cross sections and the pion form factor
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• Charged pion electroproduction above the resonance region

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• Features of $\omega$ photoproduction off proton target at backward angles : Role of nucleon Reggeon in $u$-channel with parton contributions
• Exclusive ${\pi }^{+}$ electroproduction off the proton from low to high -t
• Probing hard/soft factorization via beam-spin asymmetry in exclusive pion electroproduction from the proton