Color transparency in hadronic attenuation of rho0 mesons

Abstract

Ongoing experiments at JLAB investigate the nuclear transparency in exclusive rho0(770) electroproduction off nuclei. In this work we present transport model predictions for the attenuation of rho0s in nuclei and for color transparency (CT) effects as observable at CLAS with a 5 GeV electron beam energy. A full event simulation presented here permits to study the impact of actual experimental acceptance conditions and kinematical cuts. The exclusive (e,e'rho0) cross section off nucleons is described by diffractive and color string breaking mechanisms extended toward the onset of the deep inelastic regime. Different hadronization and CT scenarios are compared. We show that a detailed analysis of elementary cross section, nuclear effects and experimental cuts is needed to reveal the early onset of rho0-CT at present JLAB energies.

arXiv comment10 pages, 11 figures

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• Strong Interaction Physics at the Luminosity Frontier with 22 GeV Electrons at Jefferson Lab
• Nuclear rho transparencies in a relativistic Glauber model
• Color transparency in ${\pi }^{-}$-induced dilepton production on nuclei
• Color transparency in the reaction nuclear rho production by virtual photons
• Nuclear transparency of the charged hadron produced in the inclusive electronuclear reaction
• Searching for an Enhanced Signal of the onset of Color Transparency in Baryons with D(e,e'p)n scattering
• Color transparency in $\bar{p}d\to {\pi }^{-}{\pi }^{0}p$ reaction
• Transparency of the $\gamma (n,p){\pi }^{-}$ reaction in nuclei
• The search for the onset of Color Transparency: a status report
• Beam spin asymmetry in deeply virtual $\pi$ production