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5 papers · 2 filters
Stability of Multiquark Systems
Fl. Stancu
We give a brief review of developments in the field of exotic hadrons formed of more than three quarks and/or antiquarks. In particular we discuss the stability of multiquark syste…
High-Energy Forward Scattering and the Pomeron: Simple Pole versus Unitarized Models
J. R. Cudell, V. Ezhela, K. Kang +2
Using the largest data set available, we determine the best values that the data at t=0 (total cross sections and real parts of the hadronic amplitudes) give for the intercepts and…
The Transverse Cross Section in Exclusive Vector-Meson Production
J. R. Cudell, I. Royen
We show that the ratio of the transverse to the longitudinal cross sections observed at HERA cannot be reproduced by models which assume that the meson can be described by an on-sh…
NN interaction in a Goldstone boson exchange model
D. Bartz, Fl. Stancu
Adiabatic nucleon-nucleon potentials are calculated in a six-quark nonrelativistic chiral constituent quark model where the Hamiltonian contains a linear confinement and a pseudosc…
Perturbative Evolution and Regge Behaviour
J R Cudell, A Donnachie, P V Landshoff
The known analytic properties of the Compton amplitude at small place significant constraints on its behaviour at large . This calls for a re-evaluation of the role of p…