
Nuclear Reaction d + t → α + n
32
0.45
0.40
0.35
Relative difference
Threshold
0.0 0.5 1.0 1.5 2.0 2.5
0.30
0.25
0.20
0.15
0.10
Figure 2.10 Relative dierence between double (n-α) and triple (n–n-α) coincidences
as a function of αCFD threshold. Alpha detector voltage was −1.6 kV.
0.20
0.18
0.16
Relative difference
High voltage (kV)
–1.75 –1.70 –1.65 –1.60 –1.55 –1.50
0.14
0.12
0.10
0.08
0.06
Figure 2.11 Relative dierence between double (n-α) and triple (n–n-α) coincidences
as a function of alpha detector voltage; the αCFD threshold is zero.