Dilepton Transverse Momentum in the Color Dipole Approach
M. A. Betemps, M. B. Gay Ducati, M. V. T. Machado, J. Raufeisen
Abstract
We investigate the Drell-Yan transverse momentum distribution in the framework of the color dipole approach. Special attention is paid to parton saturation effects at high energies. Predictions at LHC energies (s=14 TeV) are given and extrapolated down to ISR energies (s=62 GeV). Unitarity corrections are implemented through the multiple scattering Glauber-Mueller approach and are compared with predictions of the BGBK saturation model.
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