On a model dependence of estimation of elementary particle beam attenuation in matter

Asymptotics of total cross sections for the ν(anti ν)h → μsup(-)(μsup(+))X(σsub(W)sup(ν(anti ν)h)) and ν(anti ν)h → ν(anti ν)X(σsub(Z)sup(ν(anti ν)h)) processes at s=(Psub(ν)+Psub(h))sup(2) → infigity are calculated within the frames of the theory of electroweak interactions and quark-parton hadron model. The next (after the main) term of asymptotics is found which turns to be determined not only by valent quarks but by the sea contribution as well. It is shown that a certain combination of the σsub(W)sup(νh), σsub(W)sup(anti νh) and σsub(Z)sup(νh) cross sections permits to study the quark sea symmetry restoration process relative to the qsup(c) reversible qsup(a), s → infinity substitution, where qsup(c) and qsup(a) are catho - quarks (d, s, b) and ano-quarks (u, c, t), respectively. Total cross sections σsup(νN)sub(tot) = σsup(νN)sub(W)+σsub(Z)sup(νN) at large energies (depending on model suppositions on the quark sea structure) and corresponding-to-them neutrino ranges in matter as well as released energy are estimated