  An extensive simulation has been carried out to estimate the physical
interpretation of dynamical factors such as <Rh>, <Eh x Rh> in terms of high
energy interaction features, concentrated in the present analysis on the
average transverse momentum. It appears that the large enhancement observed for
<Eh x Rh> versus primary energy, suggesting in earliest analysis a significant
rise of <pt> with energy, is only the result of the limited resolution of the
detectors and remains in agreement with a wide range of models used in
simulations.
