Revisiting Statistical Aspects of Nuclear Material Accounting

Figure 8

Timeliness AP for abrupt threat using SITMUF joint cusum for 𝑛=4,6,12,24,36,40,48. (Colors black, red, and green correspond to Σ₁–Σ₃. Dashed lines are for 1-year CUMUF.)

(a) 𝜎_𝑇=0.1, 𝑀=4

(b) 𝜎_𝑇=0.5, 𝑀=6

(c) 𝜎_𝑇=1, 𝑀=10