ABSTRACT
Relative std. Quantity Symbol Numerical value Unit uncert. ur
UNIVERSAL speed of light in vacuum c, c0 299 792 458 m s−1 exact magnetic constant µ0 4π × 10−7 N A−2
= 12.566 370 614... × 10−7 N A−2 exact electric constant 1/µ0c2 0 8.854 187 817... × 10−12 F m−1 exact characteristic impedance of vacuum µ0c Z0 376.730 313 461... exact Newtonian constant of gravitation G 6.673 84(80) × 10−11 m3 kg−1 s−2 1.2 × 10−4
G/h¯c 6.708 37(80) × 10−39 (GeV/c2)−2 1.2 × 10−4 Planck constant h 6.626 069 57(29) × 10−34 J s 4.4 × 10−8
4.135 667 516(91) × 10−15 eV s 2.2 × 10−8 h/2π h¯ 1.054 571 726(47) × 10−34 J s 4.4 × 10−8
6.582 119 28(15) × 10−16 eV s 2.2 × 10−8 h¯c 197.326 9718(44) MeV fm 2.2 × 10−8
Planck mass (h¯c/G)1/2 mP 2.176 51(13) × 10−8 kg 6.0 × 10−5 energy equivalent mPc2 1.220 932(73) × 1019 GeV 6.0 × 10−5
Planck temperature (h¯c5/G)1/2/k TP 1.416 833(85) × 1032 K 6.0 × 10−5 Planck length h¯/mPc = (h¯G/c3)1/2 lP 1.616 199(97) × 10−35 m 6.0 × 10−5 Planck time lP/c = (h¯G/c5)1/2 tP 5.391 06(32) × 10−44 s 6.0 × 10−5
ELECTROMAGNETIC elementary charge e 1.602 176 565(35) × 10−19 C 2.2 × 10−8
e/h 2.417 989 348(53) × 1014 A J−1 2.2 × 10−8 magnetic flux quantum h/2e 0 2.067 833 758(46) × 10−15 Wb 2.2 × 10−8 conductance quantum 2e2/h G0 7.748 091 7346(25) × 10−5 S 3.2 × 10−10
inverse of conductance quantum G−10 12 906.403 7217(42) 3.2 × 10−10 Josephson constant1 2e/h KJ 483 597.870(11) × 109 Hz V−1 2.2 × 10−8 von Klitzing constant2 h/e2 = µ0c/2α RK 25 812.807 4434(84) 3.2 × 10−10 Bohr magneton eh¯/2me µB 927.400 968(20) × 10−26 J T−1 2.2 × 10−8
5.788 381 8066(38) × 10−5 eV T−1 6.5 × 10−10 µB/h 13.996 245 55(31) × 109 Hz T−1 2.2 × 10−8 µB/hc 46.686 4498(10) m−1 T−1 2.2 × 10−8 µB/k 0.671 713 88(61) K T−1 9.1 × 10−7
nuclear magneton eh¯/2mp µN 5.050 783 53(11) × 10−27 J T−1 2.2 × 10−8 3.152 451 2605(22) × 10−8 eV T−1 7.1 × 10−10
µN/h 7.622 593 57(17) MHz T−1 2.2 × 10−8 µN/hc 2.542 623 527(56) × 10−2 m−1 T−1 2.2 × 10−8 µN/k 3.658 2682(33) × 10−4 K T−1 9.1 × 10−7
CODATA Recommended Values of the Fundamental Physical Constants 1-3
TABLE II: (Continued).
