Silicon $4\pi$ spectrometer for $\beta$-decay electrons with energies up to 3~MeV

I. E. Alexeev, S. V. Bakhlanov, E. A. Chmel +9

We present a description of the originally developed $\beta$-spectrometer consisting of two Si(Li)-detectors with sensitive area thickness above 8~mm and $4\pi$-geometry. The full absorp…