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arXiv · 1104.4753

Extracting the Distribution Amplitudes of the rho meson from the Color Glass Condensate

J. R. Forshaw·R. Sandapen
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Abstract

We extract the leading twist-2 and subleading twist-3 Distribution Amplitudes (DAs) of the rho meson using the HERA data on diffractive rho photoproduction. We do so using several Colour Glass Condensate (CGC) inspired and a Regge inspired dipole models. We find that our extracted twist-2 DA is not much model dependent and is consistent with QCD Sum Rules and lattice predictions. The extracted twist-3 DA is more model dependent but is still consistent with the Sum Rules prediction.

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J. R. Forshaw, R. Sandapen. 2011-10-26. Extracting the Distribution Amplitudes of the rho meson from the Color Glass Condensate. https://doi.org/10.1007/jhep10(2011)093

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