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Overview of the COMPETE Program
V. V. Ezhela, J. R. Cudell, P. Gauron +15
Nowadays, scientific databases have become the bread-and-butter of particle physicists. These databases must be maintained and checked repeatedly to insure the accuracy of their co…
Forward observables at RHIC, the Tevatron run II and the LHC
J. R. Cudell, V. V. Ezhela, P. Gauron +7
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 pb…
Pion Structure Function and Violation of the Momentum Sum Rule
J. P. Lansberg, F. Bissey, J. R. Cudell +3
We present a method to evaluate the pion structure functions from a box diagram calculation. Pion and constituent quark fields are coupled through the simplest pseudoscalar couplin…
Consequences of t-channel unitarity for the interaction of real and virtual photons at high energies
E. Martynov, J. R. Cudell, G. Soyez
We analyze the consequences of t-channel unitarity for photon cross sections and show what assumptions are necessary to allow for the existence of new singularities at …
Consequences of t-channel unitarity for gamma(*)p and gamma(*) gamma(*) amplitudes
J. R. Cudell, E. Martynov, G. Soyez
We show that t-channel unitarity constraints make it possible to obtain the photon-photon cross sections from the photon-proton and proton-proton cross sections, for Q2<150 GeV2. I…
Analytic Amplitudes for Hadronic Forward Scattering : COMPETE Update
B. Nicolescu, J. R. Cudell, V. V. Ezhela +7
We consider several classes of analytic parametrizations of hadronic scattering amplitudes, and compare their predictions to all available forward data in hadron-hadron, gamma-p an…