The A - dependence of rho0 neutrinoproduction on nuclei
N. M. Agababyan, V. V. Ammosov, M. Atayan, N. Grigoryan, H. Gulkanyan, A. A. Ivanilov, Zh. Karamyan, V. A. Korotkov
Abstract
The A - dependence of rho0 meson production in neutrino-induced reactions is investigated for the first time, using the data obtained with SKAT bubble chamber. The nuclear medium influence on the rho0 total yield and inclusive distributions (on z = Erho/nu and Feynman xF variables) is found to be approximately the same as for pions. It is shown, that these distributions, with increasing A, tend to shift toward smaller values of z and xF, thus indicating on an increasing role of secondary intranuclear interactions. The predictions of a simplified model incorporating the latter are found to be in qualitative agreement with experimental data.
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