Color transparency in hadronic attenuation of rho0 mesons

Details Color transparency in hadronic attenuation of rho0 mesons Color transparency in hadronic attenuation of rho0 mesons

2010-07-07

arxiv.org/abs/1007.1141v2

Phys.Rev.C83:015201,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, 11 figures

Scientific paper

10.1103/PhysRevC.83.015201

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.

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