Year | CoP | Boltzmann’s constant | Achieved relative uncertainty | Absolute uncertainty | Calculated comparative uncertainty* | Ref. | |
k・1023 | rk・105 | Δk・1028 | εk'' =Δk/Sk IARU | ||||
m2 kg/(s2 K) | m2 kg/(s2 K) | ||||||
2007 | LMТQ F | 1.38065260 | 19.0 | 26.2 | 110.59 | [36] | |
2008 | 1.38066952 | 3.8 | 5.2 | 22.119 | [37] | ||
2009 | 1.38080200 | 14.0 | 19.9 | 83.826 | [38] | ||
2011 | 1.38058130 | 16.0 | 22.1 | 93.125 | [39] | ||
2014 | 1.38066120 | 8.7 | 12.0 | 50.640 | [40] | ||
2015 | 1.38066313 | 2.4 | 3.3 | 13.969 | [41] | ||