The NIST Reference on Constants, Units and Uncertainty

Fundamental Physical Constants
Constants
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muon magnetic moment anomaly
 $a_{\rm \mu}$
 Value  1.165 920 89 x 10-3
 Standard uncertainty  0.000 000 63 x 10-3
  Relative standard uncertainty   5.4 x 10-7
 Concise form  1.165 920 89(63) x 10-3    
 
Click here for correlation coefficient of this constant with other constants
Source: 2014 CODATA     
recommended values
 
Definition of
uncertainty
 
     Correlation coefficient with
any other constant

 
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