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Correlation coefficient between two constants
alpha particle mass in u
Numerical value
4.001 506 179 129 u
Standard uncertainty
0.000 000 000 062 u
Relative standard uncertainty
1.6 x 10
-11
Concise form
4.001 506 179 129(62) u
Source: 2022 CODATA
recommended values
Definition of
uncertainty
Correlation coefficient with
any other constant
 
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