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Table 4 Count rate linearity with activity. Estimated coefficients for the true source count rate as a function of the 18F activity in time for p=25 %

From: Cherenkov luminescence measurements with digital silicon photomultipliers: a feasibility study

Die# m (cps/mCi) q (cps)
0 31 1.7
1 41 2.5
2 42 2.8
3 33 2.2
4 40 2.4
5 48 3.2
6 48 3.7
7 41 3.3
8 38 1.9
9 46 3.6
10 47 3.5
11 41 2.8
12 25 0.6
13 37 2.8
14 39 2.1
15 26 1.8
mean ± std 39 ±7 2.6 ±0.8