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. Author manuscript; available in PMC: 2020 Apr 3.
Published in final edited form as: Meteorit Planet Sci. 2019 Dec 19;55(2):326–351. doi: 10.1111/maps.13420

Table 4.

Fluences based on external standardization for L and E arrays (1016 atoms cm−2).

From ratios L array
 E Array
Standard 1H/12C 12C1H/12C2 1H/12C 12C1H/12C2
Flight-spare DOS 0.726 ± 0.016 0.886 ± 0.057 0.479 ± 0.015 0.436 ± 0.028
B/C implant 0.641 ± 0.036 0.776 ± 0.074 0.423 ± 0.026 0.382 ± 0.037
H implant 0.607 ± 0.011 0.780 ± 0.056 0.401 ± 0.012 0.384 ± 0.027
From cps/nA L array
 E Array
Standard 1H 12C1H 1H 12C1H
Flight-spare DOS 0.684 ± 0.034 0.734 ± 0.015 0.423 ± 0.022 0.386 ± 0.011
B/C implant 0.669 ± 0.019 0.773 ± 0.017 0.414 ± 0.013 0.406 ± 0.012
H implant 0.556 ± 0.035 0.610 ± 0.014 0.343 ± 0.022 0.321 ± 0.009

Listed errors are 2σ SDs of measured values. A systematic error of ±5% from the uncertainty in the water contents of standard apatites should be quadratically combined with these values.

Fluences have been corrected for backscattered ions based on SRIM simulations (4.97% for L, 4.13% for E).