Study of the colour singlet model with kT-factorization in inclusive J/ production at CERN LEP2
Abstract
We calculate the cross section and the transverse momentum distribution of inclusive J/ production in γ γ collisions at CERN LEP2 within the colour singlet model and the kT-factorization approach, including both direct and resolved photon contributions. The unintegrated gluon distribution in the photon is determined, using the Blumlein's prescription for unintegrated gluon distribution in a proton. We compare our theoretical predictions with preliminary data taken by the DELPHI collaboration at LEP2. In addition, we present our predictions for the J/ polarization properties.
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