Charged rho meson production in neutrino-induced reactions at E_nu = 10 GeV

Details Charged rho meson production in neutrino-induced reactions at E_nu = 10 GeV Charged rho meson production in neutrino-induced reactions at E_nu = 10 GeV

2008-01-23

arxiv.org/abs/0801.3590v1

Phys.Atom.Nucl.74:221-228,2011

Physics

High Energy Physics

High Energy Physics - Experiment

7 pages, 6 figures

Scientific paper

10.1134/S1063778811020025

The neutrinoproduction of charged $\rho$ mesons on nuclei and nucleons is investigated for the first time at moderate energies ($ \approx$ 10 GeV), using the date obtained with SKAT bubble chamber. No strong nuclear effects are observed in $\rho^+$ and $\rho^-$ production. The fractions of charged and neutral pions originating from $\rho$ decays are obtained and compared with higher energy data. From analysis of the obtained and available data on $\rho^+$ and $K^{*+}$(892) neutrinoproduction, the strangeness suppression factor in the quark string fragmentation is extracted: $\lambda_s = 0.18\pm0.03$. Estimations are obtained for cross sections of quasiexclusive single $\rho^+$ and coherent $\rho^+$ neutrinoproduction on nuclei. The estimated coherent cross section $\sigma_{\rho^+}^{coh}$ = (0.29$\pm0.16)\cdot 10^{-38}$ cm$^2$ is compatible with theoretical predictions.

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