Extracting the Pomeron-Pomeron Cross Section from Diffractive Mass Spectra

Details Extracting the Pomeron-Pomeron Cross Section from Diffractive Mass Spectra Extracting the Pomeron-Pomeron Cross Section from Diffractive Mass Spectra

2002-09-12

arxiv.org/abs/hep-ph/0209140v2

Phys.Rev. D67 (2003) 074002

Physics

High Energy Physics

High Energy Physics - Phenomenology

20 pages, RevTex, 8 eps figures (3 new figures and references added). To appear in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.67.074002

We have calculated the mass distribution ($d\sigma/dM_X$) as observed by UA8 Collaboration in the inclusive reaction $p \bar p \to p X \bar p$ at $\sqrt s = 630 GeV$, using the Interacting Gluon Model (IGM) with Double Pomeron Exchange included. The only new parameter is the $IP IP$ cross section, which we can extract from fitting experimental data. We compare our results with the values obtained in the UA8 study. Assuming a constant Pomeron-Pomeron total cross section ($\sigma_{IP IP} = 1 mb$), we make predictions for $d\sigma/dM_X$ at Tevatron and LHC energies.

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