POMERON FLUX RENORMALIZATION IN SOFT AND HARD DIFFRACTION

Details POMERON FLUX RENORMALIZATION IN SOFT AND HARD DIFFRACTION POMERON FLUX RENORMALIZATION IN SOFT AND HARD DIFFRACTION

1995-02-20

arxiv.org/abs/hep-ph/9502356v1

Phys.Lett.B358:379-388,1995; Erratum-ibid.B363:268,1995

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages, 3 EPS figures tarred, compressed, uuencoded

Scientific paper

10.1016/0370-2693(95)01023-J

While the main features of elastic, diffractive and total cross sections are described well by Regge theory, the measured rise of the proton-(anti)proton single diffraction dissociation cross section with energy is considerably smaller than the theoretical prediction based on factorization and a constant triple-pomeron coupling. The observed energy dependence is obtained by renormalizing the pomeron flux "carried" by a nucleon to unity. Double diffraction and double pomeron exchange cross sections are reevaluated and compared to data, and a new interpretation of hard diffraction results emerges in which the hard pomeron obeys the momentum sum rule.

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