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Quasi-elastic neutrino scattering on nuclei

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Il Nuovo Cimento A (1965-1970)

Summary

We have derived the muon angular distribution for the neutrino Freon bubble chamber and the ν spark-chamber experiments. The light nuclei are described by the shell model and the heavy nucleus by the ideal Fermi gas. We have taken into account the nuclear absorption of the recoil nucleon. The nuclear parameters have been deduced from p-nucleus experiments. We have studied the validity of our approximations by comparing the experimental and theoretical differential cross-sections ee'p on carbon. Despite the large experimental incertitude the equality of the axial vector form factor to the electromagnetic one seems to be favoured. Finally we have given the muon angular distributions for ν-carbon scattering which will be useful for the planned ν-propane experiment.

Riassunto

Si è dedotta la distribuzione angolare del muone per gli esperimenti sul neutrino con la camera a bolle a freon o la camera a scintille. Si descrivono i nuclei leggeri col modello a strati ed il nucleo pesante col gas ideale di Fermi. Si è tenuto conto dell'assorbimento nucleare del nucleone di rinculo. Si sono dedotti i parametri nucleari dagli esperimenti p-nucleo. Si è studiata la validità delle nostre approssimazioni confrontando le sezioni d'urto differenziali sperimentale e teorica di ee'p su carbonio. Malgrado la grande incertezza sperimentale sembra favorita l'uguaglianza del fattore di forma vettoriale assiale con quello elettromagnetico. Infine si sono riportate le distribuzioni angolari del muone per lo scattering ν-carbonio che saranno utili nel progettato esperimento ν-propano.

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Piketty, C.A. Quasi-elastic neutrino scattering on nuclei. Nuovo Cimento A (1965-1970) 44, 1163–1183 (1966). https://doi.org/10.1007/BF02719357

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  • DOI: https://doi.org/10.1007/BF02719357

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