Colour Transparency in Hadronic Basis
A. Bianconi, S. Boffi, D. E. Kharzeev
Abstract
The dynamics of nuclear transparency in hard nuclear reactions is studied by an expansion of the correlator of the hard scattering operator on a hadronic basis. Colour transparency appears as an effect of interference between the amplitudes corresponding to the final state interaction of different intermediate baryonic states. We find that colour transparency occurs even at moderate momentum transfers if one chooses the missing momentum of the struck nucleon by appropriate kinematics. In general, the role of the Fermi-motion is found to be crucial; without it, any effect of anomalous nuclear transparency would be impossible.
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