Total gamma^{star}gamma^{star} cross section and the QCD dipole picture |
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| Authors: | A. Bialas W. Czyz W. Florkowski |
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| Affiliation: | (1) M. Smoluchowski Institute of Physics, Jagellonian University, ul. Reymonta 4, PL-30-059 Kraków, Poland , PL;(2) H. Niewodniczański Institute of Nuclear Physics, ul. Radzikowskiego 152, PL-31-342 Kraków, Poland , PL |
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| Abstract: | In the framework of the dipole picture of the BFKL pomeron we discuss two possibilities of calculating the total cross section of the virtual photons. It is shown that the dipole model reproduces the results obtained earlier from -factorization up to the selection of the scale determining the length of the QCD cascade. The choice of scale turns out to be important for the numerical outcome of the calculations. Received: 12 June 1997 / Published online: 20 February 1998 |
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