The NIST Reference on Constants, Units and Uncertainty

Fundamental Physical Constants
Constants
Topics:
Values
Energy
Equivalents
Searchable
Bibliography
Background

Constants
Bibliography

Constants,
Units &
Uncertainty
home page
[skip navigation]
tau-muon mass ratio
 $m_{\rm \tau}/m_{\rm \mu}$
 Value  16.8167
 Standard uncertainty   0.0015
  Relative standard uncertainty   9.0 x 10-5
 Concise form  16.8167(15)    
 
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

 
Go to a new search