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23 papers · 2 filters
Impact of saturation on spin effects in proton-proton scattering
O. V. Selyugin, J. R. Cudell
For pomerons described by a sum of two simple-pole terms, a soft and a hard pomeron, the unitarity bounds from saturation in impact-parameter space are examined. We consider the ef…
Saturation effects in pp scattering in the impact-parameter representation
O. V. Selyugin, J. R. Cudell
The impact of unitarity is considered in different approaches to saturation in impact-parameter space. The energy and momentum-transfer dependence of the total and differential cro…
Large-distance effects on spin observables at RHIC
O. V. Selyugin, J. R. Cudell, E. Predazzi
The impact of large-distance contributions on the behaviour of the slopes of the spin-non-flip and of the spin-flip amplitudes is analysed. It is shown that the long tail of the ha…
Notes on exotic anti-decuplet of baryons
M. V. Polyakov
We emphasize the importance of identifying non-exotic SU(3) partners of the Theta^+ pentaquark, and indicate possible ways how to do it. We also use the soliton picture of baryons…
Direct extraction of hadronic form factors from elastic-scattering data
E. Martynov, J. R. Cudell, A. Lengyel
Non-forward elastic hadron-scattering data are collected and analysed within the Regge approach. Through an analysis of the data in small bins in , we have directly extracted th…
A Model for the Generalized Parton Distribution of the Pion
P. Stassart, F. Bissey, J. R. Cudell +2
We calculate the off-forward structure function of the pion within a simple model where the size of the pion is accounted for using a momentum cut-off. Twist-two and twist-three ge…