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proton gyromagnetic ratio  Value  2.675 222 005 x 108 s-1 T-1  Standard uncertainty  0.000 000 063 x 108 s-1 T-1   Relative standard uncertainty   2.4 x 10-8  Concise form  2.675 222 005(63) x 108 s-1 T-1       Click here for correlation coefficient of this constant with other constants Source: 2010 CODATA      recommended values  Definition of uncertainty       Correlation coefficient with any other constant