particles in coincidence
with this cluster of electrons is shown in Fig.
5(a)
together
with the output of the corresponding
GEANT4
simulation. The
simulation of the energy deposition in the stop detector by
x rays and auger electrons following the
K
conversion of
the 279-keV transition describes the experimental data well.
There is some intensity at
α
-particle energies greater than
8050 keV, which is not accounted for by the simulation.
This contamination is due to the
LMN
conversion of the
150-keV transition. However, since the 150-keV
γ
-ray line
is mainly coincident with
α
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