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Interactions at large distances and spin effects in nucleon-nucleon and nucleon-nuclei scattering
J. R. Cudell, E. Predazzi, O. V. Selyugin
The momentum-transfer dependence of the slopes of the spin-non-flip and spin-flip amplitudes is analysed. It is shown that the long tail of the hadronic potential in impact paramet…
Generalized Parton Distributions of the Pion
F. Bissey, J. R. Cudell, J. Cugnon +2
Off-forward structure functions of the pion are investigated in twist-two and twist-three approximation. A simple model is used for the pion, which allows to introduce finite size…
Integral and derivative dispersion relations, analysis of the forward scattering data
E. Martynov, J. R. Cudell, O. V. Selyugin
Integral and derivative dispersion relations (DR) are considered for the forward scattering and amplitudes. A new representation for the derivative DR, valid not onl…
The hard pomeron in soft data
J. R. Cudell, E. Martynov, O. Selyugin +1
We show that the data for the total cross section and for the real part of the elastic amplitude indicate the presence of a hard pomeron in pi p and Kp elastic scattering at t=0, c…
A Model for the Off-forward Structure Functions of the Pion
F. Bissey, J. R. Cudell, J. Cugnon +2
We extend our model for the pion, which we used previously to calculate its diagonal structure function, to the off-forward case. The imaginary part of the off-forward gamma* pi ->…
Saturation regimes at LHC energies
J. -R. Cudell, O. V. Selyugin
The effects of saturation and unitarization for hadron-hadron scattering at LHC energies are explored in several models. It is shown that different choices of saturation parameters…