The NIST Reference on Constants, Units and Uncertainty

Fundamental Physical Constants
Constants
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shielded proton magnetic moment to Bohr magneton ratio
 $  \mu_{\rm p}^\prime/\mu_{\rm B} =  \mu_{\rm p}^\prime/(e\hbar/2m_{\rm e}) $
 Numerical value  1.520 993 128 x 10-3
 Standard uncertainty  0.000 000 017 x 10-3
  Relative standard uncertainty  1.1 x 10-8
 Concise form  1.520 993 128(17) x 10-3    
 
Click here for correlation coefficient of this constant with other constants
Source: 2018 CODATA     
recommended values
 
Definition of
uncertainty
 
     Correlation coefficient with
any other constant

 
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