110 research outputs found

    Multinucleon ejection model for Meson Exchange Current neutrino interactions

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    A model is proposed to describe pairs or triples of nucleons ejected from nucleus as a result of Meson Exchange Current neutrino interaction. The model can be easily implemented in Monte Carlo neutrino event generators. It can provide a help in identifying true charge current quasielastic events and allow for better determination of the systematic error of neutrino energy reconstruction in neutrino oscillation experimentsComment: A version published in PRC, with several improvements wrt the original submissio

    On extraction of oscillation parameters

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    We discuss methods to extract neutrino oscillation parameters based on the directly observable quantities, without reconstruction of neutrino energy. The distributions of muon energies and production angles are compared to Monte Carlo predictions made for a set of different neutrino oscillation parameters. The method is applied to T2K neutrino beam and tested for a set of MC data samples in order to evaluate the statistical error.Comment: 5 pages, 1 figure. To be published in proceedings of the workshop 'European Strategy for Future Neutrino Physics' (CERN Yellow Report

    Neutrino energy reconstruction from one muon and one proton events

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    We propose a new method of selection of high purity charge current quasielastic neutrino events with a good reconstruction of interacting neutrino energy. Performance of the method was verified with several tests using GENIE, NEUT and NuWro Monte Carlo events generators with carbon and argon targets. The method can be useful in neutrino oscillation studies with a few GeV energy beams.Comment: 8 pages, 5 figure

    Modelling CC neutrino cross sections in the few GeV energy region

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    Selected problems in modelling neutrino-nucleon and -nuclei cross sections in the neutrino energy region of the few GeV are reviewed.Comment: Presented by J.T. Sobczyk at the Cracow Epiphany Conference on Neutrinos and Dark Matter, Jan. 5-8, 2006, Cracow, Polan
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