Bi source. Their end-point energies were determined via two different methods
i. e. weighted linear least-square fit to the Fermi-Kurie plotes of the data after correcting for the finite energy resolution of the
E
scintillator and direct linear least-square fit to the square root of the raw data. It is shown that the latter can estimate the end-point energy rapidly
while the former can be used to determine the end-point energy with uncertainty about 35 keV for energy ranging 0.7 to 6.1 Me.
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references
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