Properties of the hard pomeron with a running coupling constant and the high-energy scattering

Details Properties of the hard pomeron with a running coupling constant and the high-energy scattering Properties of the hard pomeron with a running coupling constant and the high-energy scattering

1996-05-14

arxiv.org/abs/hep-ph/9605304v1

Phys.Lett. B388 (1996) 823-831

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages (LATEX), 7 figures

Scientific paper

10.1016/S0370-2693(96)01214-2

The equation for the hard pomeron with a running coupling introduced on the basis of the bootstrap requirement is solved numerically. Two supercritical pomerons are found with the intercept minus 1 of the leading one of the order 0.35-0.5 and that of the subleading one half as large. The contribution of multipomeron exchanges is found to be essential only at extremely high energies of the order of 100 TeV. Comparison of the cross-sections and structure functions to the present experimental data seems to indicate that the asymptotical regime has not yet been achieved.

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