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See detailBenchmarks for the forward observables at RHIC, the Tevatron-run II, and the LHC
Cudell, Jean-René ULg; Ezhela, Vladimir V.; Gauron, P. et al

in Physical Review Letters (2002), 89(20), 201801

We present predictions on the total cross sections and on the ratio of the real part to the imaginary part of the elastic amplitude (rho parameter) for present and future pp and pbar p colliders, and on ... [more ▼]

We present predictions on the total cross sections and on the ratio of the real part to the imaginary part of the elastic amplitude (rho parameter) for present and future pp and pbar p colliders, and on total cross sections for gamma p -> hadrons at cosmic-ray energies and for gamma gamma-> hadrons up to sqrt{s}=1 TeV. These predictions are based on an extensive study of possible analytic parametrisations invoking the biggest hadronic dataset available at t=0. The uncertainties on total cross sections, including the systematic errors due to contradictory data points from FNAL, can reach 1.9% at RHIC, 3.1% at the Tevatron, and 4.8% at the LHC, whereas those on the rho parameter are respectively 5.4%, 5.2%, and 5.4%. [less ▲]

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See detailHadronic scattering amplitudes: Medium-energy constraints on asymptotic behavior
Cudell, Jean-René ULg; Ezhela, Vladimir V.; Gauron, P. et al

in Physical Review. D (2002), 65(7),

We consider several classes of analytic parametrizations of hadronic scattering amplitudes, and compare their predictions to all available forward data (pp, (p) over barp, pip, Kp, gammap, gammagamma ... [more ▼]

We consider several classes of analytic parametrizations of hadronic scattering amplitudes, and compare their predictions to all available forward data (pp, (p) over barp, pip, Kp, gammap, gammagamma, Sigmap). Although these parametrizations are very close for rootsgreater than or equal to9 GeV, it turns out that they differ markedly at low energy, where a universal Pomeron term similar toln(2)s enables one to extend the fit down to roots=4 GeV. [less ▲]

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See detailNew measures of the quality and of the reliability of fits applied to forward hadronic data at t = 0
Cudell, Jean-René ULg; Kang, Kyungsik; Ezhela, V. V. et al

in H.M. Fried; Gabellini, Y.; Muller, B. (Eds.) NON - PERTURBATIVE QCD (2001)

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