The effect of electron backscattering on the shape of the⁶³Ni beta -ray spectrum

Backscattering in various backings of the 63Ni beta -sources was simulated by means of the Monte Carlo method under conditions similar to recent experiments. The relative intensity and energy distribution of backscattered electrons were found to depend strongly on the beta -particle energy. These findings should be taken into account in an accurate analysis of low-energy beta -spectra in particular when searching for the 17 keV neutrino.

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