741 lines
26 KiB
Groff
741 lines
26 KiB
Groff
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.Dd $Mdocdate: April 2 2022 $
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.Dt constants 7
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.Os
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.Sh NAME
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.Nm constants ,
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.Nm codata
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.Nd CODATA Recommended Values of the Fundamental Physical Constants
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.Sh DESCRIPTION
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Numbers are given in programmer's notation:
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.Dq x10⁻³
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is rendered as
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.Dq e-3 .
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Values in parenthesis is the uncertainty.
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.Sh CONSTANTS
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.Ss alpha particle-electron mass ratio
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7294.299 541 42 (0.000 000 24)
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.Ss alpha particle mass
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6.644 657 3357 e-27 (kg) (0.000 000 0020 e-27)
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.Ss alpha particle mass energy equivalent
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5.971 920 1914 e-10 (J) (0.000 000 0018 e-10)
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.Ss alpha particle mass energy equivalent in MeV
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3727.379 4066 (MeV) (0.000 0011)
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.Ss alpha particle mass in u
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4.001 506 179 127 (u) (0.000 000 000 063)
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.Ss alpha particle molar mass
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4.001 506 1777 e-3 (kg mol^-1) (0.000 000 0012 e-3)
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.Ss alpha particle-proton mass ratio
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3.972 599 690 09 (0.000 000 000 22)
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.Ss alpha particle relative atomic mass
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4.001 506 179 127 (0.000 000 000 063)
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.Ss Angstrom star
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1.000 014 95 e-10 (m) (0.000 000 90 e-10)
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.Ss atomic mass constant
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1.660 539 066 60 e-27 (kg) (0.000 000 000 50 e-27)
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.Ss atomic mass constant energy equivalent
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1.492 418 085 60 e-10 (J) (0.000 000 000 45 e-10)
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.Ss atomic mass constant energy equivalent in MeV
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931.494 102 42 (MeV) (0.000 000 28)
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.Ss atomic mass unit-electron volt relationship
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9.314 941 0242 e8 (eV) (0.000 000 0028 e8)
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.Ss atomic mass unit-hartree relationship
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3.423 177 6874 e7 (E_h) (0.000 000 0010 e7)
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.Ss atomic mass unit-hertz relationship
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2.252 342 718 71 e23 (Hz) (0.000 000 000 68 e23)
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.Ss atomic mass unit-inverse meter relationship
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7.513 006 6104 e14 (m^-1) (0.000 000 0023 e14)
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.Ss atomic mass unit-joule relationship
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1.492 418 085 60 e-10 (J) (0.000 000 000 45 e-10)
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.Ss atomic mass unit-kelvin relationship
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1.080 954 019 16 e13 (K) (0.000 000 000 33 e13)
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.Ss atomic mass unit-kilogram relationship
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1.660 539 066 60 e-27 (kg) (0.000 000 000 50 e-27)
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.Ss atomic unit of 1st hyperpolarizability
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3.206 361 3061 e-53 (C^3 m^3 J^-2) (0.000 000 0015 e-53)
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.Ss atomic unit of 2nd hyperpolarizability
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6.235 379 9905 e-65 (C^4 m^4 J^-3) (0.000 000 0038 e-65)
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.Ss atomic unit of action
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1.054 571 817... e-34 (J s) (exact)
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.Ss atomic unit of charge
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1.602 176 634 e-19 (C) (exact)
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.Ss atomic unit of charge density
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1.081 202 384 57 e12 (C m^-3) (0.000 000 000 49 e12)
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.Ss atomic unit of current
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6.623 618 237 510 e-3 (A) (0.000 000 000 013 e-3)
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.Ss atomic unit of electric dipole mom.
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8.478 353 6255 e-30 (C m) (0.000 000 0013 e-30)
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.Ss atomic unit of electric field
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5.142 206 747 63 e11 (V m^-1) (0.000 000 000 78 e11)
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.Ss atomic unit of electric field gradient
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9.717 362 4292 e21 (V m^-2) (0.000 000 0029 e21)
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.Ss atomic unit of electric polarizability
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1.648 777 274 36 e-41 (C^2 m^2 J^-1) (0.000 000 000 50 e-41)
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.Ss atomic unit of electric potential
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27.211 386 245 988 (V) (0.000 000 000 053)
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.Ss atomic unit of electric quadrupole mom.
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4.486 551 5246 e-40 (C m^2) (0.000 000 0014 e-40)
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.Ss atomic unit of energy
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4.359 744 722 2071 e-18 (J) (0.000 000 000 0085 e-18)
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.Ss atomic unit of force
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8.238 723 4983 e-8 (N) (0.000 000 0012 e-8)
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.Ss atomic unit of length
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5.291 772 109 03 e-11 (m) (0.000 000 000 80 e-11)
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.Ss atomic unit of mag. dipole mom.
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1.854 802 015 66 e-23 (J T^-1) (0.000 000 000 56 e-23)
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.Ss atomic unit of mag. flux density
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2.350 517 567 58 e5 (T) (0.000 000 000 71 e5)
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.Ss atomic unit of magnetizability
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7.891 036 6008 e-29 (J T^-2) (0.000 000 0048 e-29)
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.Ss atomic unit of mass
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9.109 383 7015 e-31 (kg) (0.000 000 0028 e-31)
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.Ss atomic unit of momentum
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1.992 851 914 10 e-24 (kg m s^-1) (0.000 000 000 30 e-24)
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.Ss atomic unit of permittivity
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1.112 650 055 45 e-10 (F m^-1) (0.000 000 000 17 e-10)
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.Ss atomic unit of time
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2.418 884 326 5857 e-17 (s) (0.000 000 000 0047 e-17)
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.Ss atomic unit of velocity
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2.187 691 263 64 e6 (m s^-1) (0.000 000 000 33 e6)
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.Ss Avogadro constant
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6.022 140 76 e23 (mol^-1) (exact)
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.Ss Bohr magneton
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9.274 010 0783 e-24 (J T^-1) (0.000 000 0028 e-24)
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.Ss Bohr magneton in eV/T
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5.788 381 8060 e-5 (eV T^-1) (0.000 000 0017 e-5)
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.Ss Bohr magneton in Hz/T
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1.399 624 493 61 e10 (Hz T^-1) (0.000 000 000 42 e10)
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.Ss Bohr magneton in inverse meter per tesla
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46.686 447 783 (m^-1 T^-1) (0.000 000 014)
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.Ss Bohr magneton in K/T
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0.671 713 815 63 (K T^-1) (0.000 000 000 20)
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.Ss Bohr radius
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5.291 772 109 03 e-11 (m) (0.000 000 000 80 e-11)
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.Ss Boltzmann constant
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1.380 649 e-23 (J K^-1) (exact)
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.Ss Boltzmann constant in eV/K
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8.617 333 262... e-5 (eV K^-1) (exact)
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.Ss Boltzmann constant in Hz/K
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2.083 661 912... e10 (Hz K^-1) (exact)
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.Ss Boltzmann constant in inverse meter per kelvin
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69.503 480 04... (m^-1 K^-1) (exact)
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.Ss characteristic impedance of vacuum
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376.730 313 668 (ohm) (0.000 000 057)
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.Ss classical electron radius
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2.817 940 3262 e-15 (m) (0.000 000 0013 e-15)
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.Ss Compton wavelength
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2.426 310 238 67 e-12 (m) (0.000 000 000 73 e-12)
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.Ss conductance quantum
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7.748 091 729... e-5 (S) (exact)
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.Ss conventional value of ampere-90
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1.000 000 088 87... (A) (exact)
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.Ss conventional value of coulomb-90
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1.000 000 088 87... (C) (exact)
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.Ss conventional value of farad-90
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0.999 999 982 20... (F) (exact)
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.Ss conventional value of henry-90
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1.000 000 017 79... (H) (exact)
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.Ss conventional value of Josephson constant
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483 597.9 e9 (Hz V^-1) (exact)
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.Ss conventional value of ohm-90
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1.000 000 017 79... (ohm) (exact)
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.Ss conventional value of volt-90
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1.000 000 106 66... (V) (exact)
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.Ss conventional value of von Klitzing constant
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25 812.807 (ohm) (exact)
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.Ss conventional value of watt-90
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1.000 000 195 53... (W) (exact)
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.Ss Copper x unit
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1.002 076 97 e-13 (m) (0.000 000 28 e-13)
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.Ss deuteron-electron mag. mom. ratio
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-4.664 345 551 e-4 (0.000 000 012 e-4)
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.Ss deuteron-electron mass ratio
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3670.482 967 88 (0.000 000 13)
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.Ss deuteron g factor
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0.857 438 2338 (0.000 000 0022)
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.Ss deuteron mag. mom.
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4.330 735 094 e-27 (J T^-1) (0.000 000 011 e-27)
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.Ss deuteron mag. mom. to Bohr magneton ratio
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4.669 754 570 e-4 (0.000 000 012 e-4)
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.Ss deuteron mag. mom. to nuclear magneton ratio
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0.857 438 2338 (0.000 000 0022)
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.Ss deuteron mass
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3.343 583 7724 e-27 (kg) (0.000 000 0010 e-27)
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.Ss deuteron mass energy equivalent
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3.005 063 231 02 e-10 (J) (0.000 000 000 91 e-10)
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.Ss deuteron mass energy equivalent in MeV
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1875.612 942 57 (MeV) (0.000 000 57)
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.Ss deuteron mass in u
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2.013 553 212 745 (u) (0.000 000 000 040)
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.Ss deuteron molar mass
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2.013 553 212 05 e-3 (kg mol^-1) (0.000 000 000 61 e-3)
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.Ss deuteron-neutron mag. mom. ratio
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-0.448 206 53 (0.000 000 11)
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.Ss deuteron-proton mag. mom. ratio
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0.307 012 209 39 (0.000 000 000 79)
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.Ss deuteron-proton mass ratio
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1.999 007 501 39 (0.000 000 000 11)
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.Ss deuteron relative atomic mass
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2.013 553 212 745 (0.000 000 000 040)
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.Ss deuteron rms charge radius
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2.127 99 e-15 (m) (0.000 74 e-15)
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.Ss electron charge to mass quotient
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-1.758 820 010 76 e11 (C kg^-1) (0.000 000 000 53 e11)
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.Ss electron-deuteron mag. mom. ratio
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-2143.923 4915 (0.000 0056)
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.Ss electron-deuteron mass ratio
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2.724 437 107 462 e-4 (0.000 000 000 096 e-4)
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.Ss electron g factor
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-2.002 319 304 362 56 (0.000 000 000 000 35)
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.Ss electron gyromag. ratio
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1.760 859 630 23 e11 (s^-1 T^-1) (0.000 000 000 53 e11)
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.Ss electron gyromag. ratio in MHz/T
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28 024.951 4242 (MHz T^-1) (0.000 0085)
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.Ss electron-helion mass ratio
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1.819 543 074 573 e-4 (0.000 000 000 079 e-4)
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.Ss electron mag. mom.
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-9.284 764 7043 e-24 (J T^-1) (0.000 000 0028 e-24)
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.Ss electron mag. mom. anomaly
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1.159 652 181 28 e-3 (0.000 000 000 18 e-3)
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.Ss electron mag. mom. to Bohr magneton ratio
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-1.001 159 652 181 28 (0.000 000 000 000 18)
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.Ss electron mag. mom. to nuclear magneton ratio
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-1838.281 971 88 (0.000 000 11)
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.Ss electron mass
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9.109 383 7015 e-31 (kg) (0.000 000 0028 e-31)
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.Ss electron mass energy equivalent
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8.187 105 7769 e-14 (J) (0.000 000 0025 e-14)
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.Ss electron mass energy equivalent in MeV
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0.510 998 950 00 (MeV) (0.000 000 000 15)
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.Ss electron mass in u
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5.485 799 090 65 e-4 (u) (0.000 000 000 16 e-4)
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.Ss electron molar mass
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5.485 799 0888 e-7 (kg mol^-1) (0.000 000 0017 e-7)
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.Ss electron-muon mag. mom. ratio
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206.766 9883 (0.000 0046)
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.Ss electron-muon mass ratio
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4.836 331 69 e-3 (0.000 000 11 e-3)
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.Ss electron-neutron mag. mom. ratio
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960.920 50 (0.000 23)
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.Ss electron-neutron mass ratio
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5.438 673 4424 e-4 (0.000 000 0026 e-4)
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.Ss electron-proton mag. mom. ratio
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-658.210 687 89 (0.000 000 20)
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.Ss electron-proton mass ratio
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5.446 170 214 87 e-4 (0.000 000 000 33 e-4)
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.Ss electron relative atomic mass
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5.485 799 090 65 e-4 (0.000 000 000 16 e-4)
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.Ss electron-tau mass ratio
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2.875 85 e-4 (0.000 19 e-4)
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.Ss electron to alpha particle mass ratio
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1.370 933 554 787 e-4 (0.000 000 000 045 e-4)
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.Ss electron to shielded helion mag. mom. ratio
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864.058 257 (0.000 010)
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.Ss electron to shielded proton mag. mom. ratio
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-658.227 5971 (0.000 0072)
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.Ss electron-triton mass ratio
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1.819 200 062 251 e-4 (0.000 000 000 090 e-4)
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.Ss electron volt
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1.602 176 634 e-19 (J) (exact)
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.Ss electron volt-atomic mass unit relationship
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1.073 544 102 33 e-9 (u) (0.000 000 000 32 e-9)
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.Ss electron volt-hartree relationship
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3.674 932 217 5655 e-2 (E_h) (0.000 000 000 0071 e-2)
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.Ss electron volt-hertz relationship
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2.417 989 242... e14 (Hz) (exact)
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.Ss electron volt-inverse meter relationship
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8.065 543 937... e5 (m^-1) (exact)
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.Ss electron volt-joule relationship
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1.602 176 634 e-19 (J) (exact)
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.Ss electron volt-kelvin relationship
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1.160 451 812... e4 (K) (exact)
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.Ss electron volt-kilogram relationship
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1.782 661 921... e-36 (kg) (exact)
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.Ss elementary charge
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1.602 176 634 e-19 (C) (exact)
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.Ss elementary charge over h-bar
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1.519 267 447... e15 (A J^-1) (exact)
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.Ss Faraday constant
|
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96 485.332 12... (C mol^-1) (exact)
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.Ss Fermi coupling constant
|
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1.166 3787 e-5 (GeV^-2) (0.000 0006 e-5)
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.Ss fine-structure constant
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7.297 352 5693 e-3 (0.000 000 0011 e-3)
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.Ss first radiation constant
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3.741 771 852... e-16 (W m^2) (exact)
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.Ss first radiation constant for spectral radiance
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1.191 042 972... e-16 (W m^2 sr^-1) (exact)
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.Ss hartree-atomic mass unit relationship
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2.921 262 322 05 e-8 (u) (0.000 000 000 88 e-8)
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.Ss hartree-electron volt relationship
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27.211 386 245 988 (eV) (0.000 000 000 053)
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.Ss Hartree energy
|
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4.359 744 722 2071 e-18 (J) (0.000 000 000 0085 e-18)
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.Ss Hartree energy in eV
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27.211 386 245 988 (eV) (0.000 000 000 053)
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.Ss hartree-hertz relationship
|
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6.579 683 920 502 e15 (Hz) (0.000 000 000 013 e15)
|
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.Ss hartree-inverse meter relationship
|
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2.194 746 313 6320 e7 (m^-1) (0.000 000 000 0043 e7)
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.Ss hartree-joule relationship
|
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4.359 744 722 2071 e-18 (J) (0.000 000 000 0085 e-18)
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.Ss hartree-kelvin relationship
|
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3.157 750 248 0407 e5 (K) (0.000 000 000 0061 e5)
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.Ss hartree-kilogram relationship
|
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4.850 870 209 5432 e-35 (kg) (0.000 000 000 0094 e-35)
|
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.Ss helion-electron mass ratio
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5495.885 280 07 (0.000 000 24)
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.Ss helion g factor
|
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-4.255 250 615 (0.000 000 050)
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||
|
|
.Ss helion mag. mom.
|
||
|
|
-1.074 617 532 e-26 (J T^-1) (0.000 000 013 e-26)
|
||
|
|
.Ss helion mag. mom. to Bohr magneton ratio
|
||
|
|
-1.158 740 958 e-3 (0.000 000 014 e-3)
|
||
|
|
.Ss helion mag. mom. to nuclear magneton ratio
|
||
|
|
-2.127 625 307 (0.000 000 025)
|
||
|
|
.Ss helion mass
|
||
|
|
5.006 412 7796 e-27 (kg) (0.000 000 0015 e-27)
|
||
|
|
.Ss helion mass energy equivalent
|
||
|
|
4.499 539 4125 e-10 (J) (0.000 000 0014 e-10)
|
||
|
|
.Ss helion mass energy equivalent in MeV
|
||
|
|
2808.391 607 43 (MeV) (0.000 000 85)
|
||
|
|
.Ss helion mass in u
|
||
|
|
3.014 932 247 175 (u) (0.000 000 000 097)
|
||
|
|
.Ss helion molar mass
|
||
|
|
3.014 932 246 13 e-3 (kg mol^-1) (0.000 000 000 91 e-3)
|
||
|
|
.Ss helion-proton mass ratio
|
||
|
|
2.993 152 671 67 (0.000 000 000 13)
|
||
|
|
.Ss helion relative atomic mass
|
||
|
|
3.014 932 247 175 (0.000 000 000 097)
|
||
|
|
.Ss helion shielding shift
|
||
|
|
5.996 743 e-5 (0.000 010 e-5)
|
||
|
|
.Ss hertz-atomic mass unit relationship
|
||
|
|
4.439 821 6652 e-24 (u) (0.000 000 0013 e-24)
|
||
|
|
.Ss hertz-electron volt relationship
|
||
|
|
4.135 667 696... e-15 (eV) (exact)
|
||
|
|
.Ss hertz-hartree relationship
|
||
|
|
1.519 829 846 0570 e-16 (E_h) (0.000 000 000 0029 e-16)
|
||
|
|
.Ss hertz-inverse meter relationship
|
||
|
|
3.335 640 951... e-9 (m^-1) (exact)
|
||
|
|
.Ss hertz-joule relationship
|
||
|
|
6.626 070 15 e-34 (J) (exact)
|
||
|
|
.Ss hertz-kelvin relationship
|
||
|
|
4.799 243 073... e-11 (K) (exact)
|
||
|
|
.Ss hertz-kilogram relationship
|
||
|
|
7.372 497 323... e-51 (kg) (exact)
|
||
|
|
.Ss hyperfine transition frequency of Cs-133
|
||
|
|
9 192 631 770 (Hz) (exact)
|
||
|
|
.Ss inverse fine-structure constant
|
||
|
|
137.035 999 084 (0.000 000 021)
|
||
|
|
.Ss inverse meter-atomic mass unit relationship
|
||
|
|
1.331 025 050 10 e-15 (u) (0.000 000 000 40 e-15)
|
||
|
|
.Ss inverse meter-electron volt relationship
|
||
|
|
1.239 841 984... e-6 (eV) (exact)
|
||
|
|
.Ss inverse meter-hartree relationship
|
||
|
|
4.556 335 252 9120 e-8 (E_h) (0.000 000 000 0088 e-8)
|
||
|
|
.Ss inverse meter-hertz relationship
|
||
|
|
299 792 458 (Hz) (exact)
|
||
|
|
.Ss inverse meter-joule relationship
|
||
|
|
1.986 445 857... e-25 (J) (exact)
|
||
|
|
.Ss inverse meter-kelvin relationship
|
||
|
|
1.438 776 877... e-2 (K) (exact)
|
||
|
|
.Ss inverse meter-kilogram relationship
|
||
|
|
2.210 219 094... e-42 (kg) (exact)
|
||
|
|
.Ss inverse of conductance quantum
|
||
|
|
12 906.403 72... (ohm) (exact)
|
||
|
|
.Ss Josephson constant
|
||
|
|
483 597.848 4... e9 (Hz V^-1) (exact)
|
||
|
|
.Ss joule-atomic mass unit relationship
|
||
|
|
6.700 535 2565 e9 (u) (0.000 000 0020 e9)
|
||
|
|
.Ss joule-electron volt relationship
|
||
|
|
6.241 509 074... e18 (eV) (exact)
|
||
|
|
.Ss joule-hartree relationship
|
||
|
|
2.293 712 278 3963 e17 (E_h) (0.000 000 000 0045 e17)
|
||
|
|
.Ss joule-hertz relationship
|
||
|
|
1.509 190 179... e33 (Hz) (exact)
|
||
|
|
.Ss joule-inverse meter relationship
|
||
|
|
5.034 116 567... e24 (m^-1) (exact)
|
||
|
|
.Ss joule-kelvin relationship
|
||
|
|
7.242 970 516... e22 (K) (exact)
|
||
|
|
.Ss joule-kilogram relationship
|
||
|
|
1.112 650 056... e-17 (kg) (exact)
|
||
|
|
.Ss kelvin-atomic mass unit relationship
|
||
|
|
9.251 087 3014 e-14 (u) (0.000 000 0028 e-14)
|
||
|
|
.Ss kelvin-electron volt relationship
|
||
|
|
8.617 333 262... e-5 (eV) (exact)
|
||
|
|
.Ss kelvin-hartree relationship
|
||
|
|
3.166 811 563 4556 e-6 (E_h) (0.000 000 000 0061 e-6)
|
||
|
|
.Ss kelvin-hertz relationship
|
||
|
|
2.083 661 912... e10 (Hz) (exact)
|
||
|
|
.Ss kelvin-inverse meter relationship
|
||
|
|
69.503 480 04... (m^-1) (exact)
|
||
|
|
.Ss kelvin-joule relationship
|
||
|
|
1.380 649 e-23 (J) (exact)
|
||
|
|
.Ss kelvin-kilogram relationship
|
||
|
|
1.536 179 187... e-40 (kg) (exact)
|
||
|
|
.Ss kilogram-atomic mass unit relationship
|
||
|
|
6.022 140 7621 e26 (u) (0.000 000 0018 e26)
|
||
|
|
.Ss kilogram-electron volt relationship
|
||
|
|
5.609 588 603... e35 (eV) (exact)
|
||
|
|
.Ss kilogram-hartree relationship
|
||
|
|
2.061 485 788 7409 e34 (E_h) (0.000 000 000 0040 e34)
|
||
|
|
.Ss kilogram-hertz relationship
|
||
|
|
1.356 392 489... e50 (Hz) (exact)
|
||
|
|
.Ss kilogram-inverse meter relationship
|
||
|
|
4.524 438 335... e41 (m^-1) (exact)
|
||
|
|
.Ss kilogram-joule relationship
|
||
|
|
8.987 551 787... e16 (J) (exact)
|
||
|
|
.Ss kilogram-kelvin relationship
|
||
|
|
6.509 657 260... e39 (K) (exact)
|
||
|
|
.Ss lattice parameter of silicon
|
||
|
|
5.431 020 511 e-10 (m) (0.000 000 089 e-10)
|
||
|
|
.Ss lattice spacing of ideal Si (220)
|
||
|
|
1.920 155 716 e-10 (m) (0.000 000 032 e-10)
|
||
|
|
.Ss Loschmidt constant (273.15 K, 100 kPa)
|
||
|
|
2.651 645 804... e25 (m^-3) (exact)
|
||
|
|
.Ss Loschmidt constant (273.15 K, 101.325 kPa)
|
||
|
|
2.686 780 111... e25 (m^-3) (exact)
|
||
|
|
.Ss luminous efficacy
|
||
|
|
683 (lm W^-1) (exact)
|
||
|
|
.Ss mag. flux quantum
|
||
|
|
2.067 833 848... e-15 (Wb) (exact)
|
||
|
|
.Ss molar gas constant
|
||
|
|
8.314 462 618... (J mol^-1 K^-1) (exact)
|
||
|
|
.Ss molar mass constant
|
||
|
|
0.999 999 999 65 e-3 (kg mol^-1) (0.000 000 000 30 e-3)
|
||
|
|
.Ss molar mass of carbon-12
|
||
|
|
11.999 999 9958 e-3 (kg mol^-1) (0.000 000 0036 e-3)
|
||
|
|
.Ss molar Planck constant
|
||
|
|
3.990 312 712... e-10 (J Hz^-1 mol^-1) (exact)
|
||
|
|
.Ss molar volume of ideal gas (273.15 K, 100 kPa)
|
||
|
|
22.710 954 64... e-3 (m^3 mol^-1) (exact)
|
||
|
|
.Ss molar volume of ideal gas (273.15 K, 101.325 kPa)
|
||
|
|
22.413 969 54... e-3 (m^3 mol^-1) (exact)
|
||
|
|
.Ss molar volume of silicon
|
||
|
|
1.205 883 199 e-5 (m^3 mol^-1) (0.000 000 060 e-5)
|
||
|
|
.Ss Molybdenum x unit
|
||
|
|
1.002 099 52 e-13 (m) (0.000 000 53 e-13)
|
||
|
|
.Ss muon Compton wavelength
|
||
|
|
1.173 444 110 e-14 (m) (0.000 000 026 e-14)
|
||
|
|
.Ss muon-electron mass ratio
|
||
|
|
206.768 2830 (0.000 0046)
|
||
|
|
.Ss muon g factor
|
||
|
|
-2.002 331 8418 (0.000 000 0013)
|
||
|
|
.Ss muon mag. mom.
|
||
|
|
-4.490 448 30 e-26 (J T^-1) (0.000 000 10 e-26)
|
||
|
|
.Ss muon mag. mom. anomaly
|
||
|
|
1.165 920 89 e-3 (0.000 000 63 e-3)
|
||
|
|
.Ss muon mag. mom. to Bohr magneton ratio
|
||
|
|
-4.841 970 47 e-3 (0.000 000 11 e-3)
|
||
|
|
.Ss muon mag. mom. to nuclear magneton ratio
|
||
|
|
-8.890 597 03 (0.000 000 20)
|
||
|
|
.Ss muon mass
|
||
|
|
1.883 531 627 e-28 (kg) (0.000 000 042 e-28)
|
||
|
|
.Ss muon mass energy equivalent
|
||
|
|
1.692 833 804 e-11 (J) (0.000 000 038 e-11)
|
||
|
|
.Ss muon mass energy equivalent in MeV
|
||
|
|
105.658 3755 (MeV) (0.000 0023)
|
||
|
|
.Ss muon mass in u
|
||
|
|
0.113 428 9259 (u) (0.000 000 0025)
|
||
|
|
.Ss muon molar mass
|
||
|
|
1.134 289 259 e-4 (kg mol^-1) (0.000 000 025 e-4)
|
||
|
|
.Ss muon-neutron mass ratio
|
||
|
|
0.112 454 5170 (0.000 000 0025)
|
||
|
|
.Ss muon-proton mag. mom. ratio
|
||
|
|
-3.183 345 142 (0.000 000 071)
|
||
|
|
.Ss muon-proton mass ratio
|
||
|
|
0.112 609 5264 (0.000 000 0025)
|
||
|
|
.Ss muon-tau mass ratio
|
||
|
|
5.946 35 e-2 (0.000 40 e-2)
|
||
|
|
.Ss natural unit of action
|
||
|
|
1.054 571 817... e-34 (J s) (exact)
|
||
|
|
.Ss natural unit of action in eV s
|
||
|
|
6.582 119 569... e-16 (eV s) (exact)
|
||
|
|
.Ss natural unit of energy
|
||
|
|
8.187 105 7769 e-14 (J) (0.000 000 0025 e-14)
|
||
|
|
.Ss natural unit of energy in MeV
|
||
|
|
0.510 998 950 00 (MeV) (0.000 000 000 15)
|
||
|
|
.Ss natural unit of length
|
||
|
|
3.861 592 6796 e-13 (m) (0.000 000 0012 e-13)
|
||
|
|
.Ss natural unit of mass
|
||
|
|
9.109 383 7015 e-31 (kg) (0.000 000 0028 e-31)
|
||
|
|
.Ss natural unit of momentum
|
||
|
|
2.730 924 530 75 e-22 (kg m s^-1) (0.000 000 000 82 e-22)
|
||
|
|
.Ss natural unit of momentum in MeV/c
|
||
|
|
0.510 998 950 00 (MeV/c) (0.000 000 000 15)
|
||
|
|
.Ss natural unit of time
|
||
|
|
1.288 088 668 19 e-21 (s) (0.000 000 000 39 e-21)
|
||
|
|
.Ss natural unit of velocity
|
||
|
|
299 792 458 (m s^-1) (exact)
|
||
|
|
.Ss neutron Compton wavelength
|
||
|
|
1.319 590 905 81 e-15 (m) (0.000 000 000 75 e-15)
|
||
|
|
.Ss neutron-electron mag. mom. ratio
|
||
|
|
1.040 668 82 e-3 (0.000 000 25 e-3)
|
||
|
|
.Ss neutron-electron mass ratio
|
||
|
|
1838.683 661 73 (0.000 000 89)
|
||
|
|
.Ss neutron g factor
|
||
|
|
-3.826 085 45 (0.000 000 90)
|
||
|
|
.Ss neutron gyromag. ratio
|
||
|
|
1.832 471 71 e8 (s^-1 T^-1) (0.000 000 43 e8)
|
||
|
|
.Ss neutron gyromag. ratio in MHz/T
|
||
|
|
29.164 6931 (MHz T^-1) (0.000 0069)
|
||
|
|
.Ss neutron mag. mom.
|
||
|
|
-9.662 3651 e-27 (J T^-1) (0.000 0023 e-27)
|
||
|
|
.Ss neutron mag. mom. to Bohr magneton ratio
|
||
|
|
-1.041 875 63 e-3 (0.000 000 25 e-3)
|
||
|
|
.Ss neutron mag. mom. to nuclear magneton ratio
|
||
|
|
-1.913 042 73 (0.000 000 45)
|
||
|
|
.Ss neutron mass
|
||
|
|
1.674 927 498 04 e-27 (kg) (0.000 000 000 95 e-27)
|
||
|
|
.Ss neutron mass energy equivalent
|
||
|
|
1.505 349 762 87 e-10 (J) (0.000 000 000 86 e-10)
|
||
|
|
.Ss neutron mass energy equivalent in MeV
|
||
|
|
939.565 420 52 (MeV) (0.000 000 54)
|
||
|
|
.Ss neutron mass in u
|
||
|
|
1.008 664 915 95 (u) (0.000 000 000 49)
|
||
|
|
.Ss neutron molar mass
|
||
|
|
1.008 664 915 60 e-3 (kg mol^-1) (0.000 000 000 57 e-3)
|
||
|
|
.Ss neutron-muon mass ratio
|
||
|
|
8.892 484 06 (0.000 000 20)
|
||
|
|
.Ss neutron-proton mag. mom. ratio
|
||
|
|
-0.684 979 34 (0.000 000 16)
|
||
|
|
.Ss neutron-proton mass difference
|
||
|
|
2.305 574 35 e-30 (kg) (0.000 000 82 e-30)
|
||
|
|
.Ss neutron-proton mass difference energy equivalent
|
||
|
|
2.072 146 89 e-13 (J) (0.000 000 74 e-13)
|
||
|
|
.Ss neutron-proton mass difference energy equivalent in MeV
|
||
|
|
1.293 332 36 (MeV) (0.000 000 46)
|
||
|
|
.Ss neutron-proton mass difference in u
|
||
|
|
1.388 449 33 e-3 (u) (0.000 000 49 e-3)
|
||
|
|
.Ss neutron-proton mass ratio
|
||
|
|
1.001 378 419 31 (0.000 000 000 49)
|
||
|
|
.Ss neutron relative atomic mass
|
||
|
|
1.008 664 915 95 (0.000 000 000 49)
|
||
|
|
.Ss neutron-tau mass ratio
|
||
|
|
0.528 779 (0.000 036)
|
||
|
|
.Ss neutron to shielded proton mag. mom. ratio
|
||
|
|
-0.684 996 94 (0.000 000 16)
|
||
|
|
.Ss Newtonian constant of gravitation
|
||
|
|
6.674 30 e-11 (m^3 kg^-1 s^-2) (0.000 15 e-11)
|
||
|
|
.Ss Newtonian constant of gravitation over h-bar c
|
||
|
|
6.708 83 e-39 ((GeV/c^2)^-2) (0.000 15 e-39)
|
||
|
|
.Ss nuclear magneton
|
||
|
|
5.050 783 7461 e-27 (J T^-1) (0.000 000 0015 e-27)
|
||
|
|
.Ss nuclear magneton in eV/T
|
||
|
|
3.152 451 258 44 e-8 (eV T^-1) (0.000 000 000 96 e-8)
|
||
|
|
.Ss nuclear magneton in inverse meter per tesla
|
||
|
|
2.542 623 413 53 e-2 (m^-1 T^-1) (0.000 000 000 78 e-2)
|
||
|
|
.Ss nuclear magneton in K/T
|
||
|
|
3.658 267 7756 e-4 (K T^-1) (0.000 000 0011 e-4)
|
||
|
|
.Ss nuclear magneton in MHz/T
|
||
|
|
7.622 593 2291 (MHz T^-1) (0.000 000 0023)
|
||
|
|
.Ss Planck constant
|
||
|
|
6.626 070 15 e-34 (J Hz^-1) (exact)
|
||
|
|
.Ss Planck constant in eV/Hz
|
||
|
|
4.135 667 696... e-15 (eV Hz^-1) (exact)
|
||
|
|
.Ss Planck length
|
||
|
|
1.616 255 e-35 (m) (0.000 018 e-35)
|
||
|
|
.Ss Planck mass
|
||
|
|
2.176 434 e-8 (kg) (0.000 024 e-8)
|
||
|
|
.Ss Planck mass energy equivalent in GeV
|
||
|
|
1.220 890 e19 (GeV) (0.000 014 e19)
|
||
|
|
.Ss Planck temperature
|
||
|
|
1.416 784 e32 (K) (0.000 016 e32)
|
||
|
|
.Ss Planck time
|
||
|
|
5.391 247 e-44 (s) (0.000 060 e-44)
|
||
|
|
.Ss proton charge to mass quotient
|
||
|
|
9.578 833 1560 e7 (C kg^-1) (0.000 000 0029 e7)
|
||
|
|
.Ss proton Compton wavelength
|
||
|
|
1.321 409 855 39 e-15 (m) (0.000 000 000 40 e-15)
|
||
|
|
.Ss proton-electron mass ratio
|
||
|
|
1836.152 673 43 (0.000 000 11)
|
||
|
|
.Ss proton g factor
|
||
|
|
5.585 694 6893 (0.000 000 0016)
|
||
|
|
.Ss proton gyromag. ratio
|
||
|
|
2.675 221 8744 e8 (s^-1 T^-1) (0.000 000 0011 e8)
|
||
|
|
.Ss proton gyromag. ratio in MHz/T
|
||
|
|
42.577 478 518 (MHz T^-1) (0.000 000 018)
|
||
|
|
.Ss proton mag. mom.
|
||
|
|
1.410 606 797 36 e-26 (J T^-1) (0.000 000 000 60 e-26)
|
||
|
|
.Ss proton mag. mom. to Bohr magneton ratio
|
||
|
|
1.521 032 202 30 e-3 (0.000 000 000 46 e-3)
|
||
|
|
.Ss proton mag. mom. to nuclear magneton ratio
|
||
|
|
2.792 847 344 63 (0.000 000 000 82)
|
||
|
|
.Ss proton mag. shielding correction
|
||
|
|
2.5689 e-5 (0.0011 e-5)
|
||
|
|
.Ss proton mass
|
||
|
|
1.672 621 923 69 e-27 (kg) (0.000 000 000 51 e-27)
|
||
|
|
.Ss proton mass energy equivalent
|
||
|
|
1.503 277 615 98 e-10 (J) (0.000 000 000 46 e-10)
|
||
|
|
.Ss proton mass energy equivalent in MeV
|
||
|
|
938.272 088 16 (MeV) (0.000 000 29)
|
||
|
|
.Ss proton mass in u
|
||
|
|
1.007 276 466 621 (u) (0.000 000 000 053)
|
||
|
|
.Ss proton molar mass
|
||
|
|
1.007 276 466 27 e-3 (kg mol^-1) (0.000 000 000 31 e-3)
|
||
|
|
.Ss proton-muon mass ratio
|
||
|
|
8.880 243 37 (0.000 000 20)
|
||
|
|
.Ss proton-neutron mag. mom. ratio
|
||
|
|
-1.459 898 05 (0.000 000 34)
|
||
|
|
.Ss proton-neutron mass ratio
|
||
|
|
0.998 623 478 12 (0.000 000 000 49)
|
||
|
|
.Ss proton relative atomic mass
|
||
|
|
1.007 276 466 621 (0.000 000 000 053)
|
||
|
|
.Ss proton rms charge radius
|
||
|
|
8.414 e-16 (m) (0.019 e-16)
|
||
|
|
.Ss proton-tau mass ratio
|
||
|
|
0.528 051 (0.000 036)
|
||
|
|
.Ss quantum of circulation
|
||
|
|
3.636 947 5516 e-4 (m^2 s^-1) (0.000 000 0011 e-4)
|
||
|
|
.Ss quantum of circulation times 2
|
||
|
|
7.273 895 1032 e-4 (m^2 s^-1) (0.000 000 0022 e-4)
|
||
|
|
.Ss reduced Compton wavelength
|
||
|
|
3.861 592 6796 e-13 (m) (0.000 000 0012 e-13)
|
||
|
|
.Ss reduced muon Compton wavelength
|
||
|
|
1.867 594 306 e-15 (m) (0.000 000 042 e-15)
|
||
|
|
.Ss reduced neutron Compton wavelength
|
||
|
|
2.100 194 1552 e-16 (m) (0.000 000 0012 e-16)
|
||
|
|
.Ss reduced Planck constant
|
||
|
|
1.054 571 817... e-34 (J s) (exact)
|
||
|
|
.Ss reduced Planck constant in eV s
|
||
|
|
6.582 119 569... e-16 (eV s) (exact)
|
||
|
|
.Ss reduced Planck constant times c in MeV fm
|
||
|
|
197.326 980 4... (MeV fm) (exact)
|
||
|
|
.Ss reduced proton Compton wavelength
|
||
|
|
2.103 089 103 36 e-16 (m) (0.000 000 000 64 e-16)
|
||
|
|
.Ss reduced tau Compton wavelength
|
||
|
|
1.110 538 e-16 (m) (0.000 075 e-16)
|
||
|
|
.Ss Rydberg constant
|
||
|
|
10 973 731.568 160 (m^-1) (0.000 021)
|
||
|
|
.Ss Rydberg constant times c in Hz
|
||
|
|
3.289 841 960 2508 e15 (Hz) (0.000 000 000 0064 e15)
|
||
|
|
.Ss Rydberg constant times hc in eV
|
||
|
|
13.605 693 122 994 (eV) (0.000 000 000 026)
|
||
|
|
.Ss Rydberg constant times hc in J
|
||
|
|
2.179 872 361 1035 e-18 (J) (0.000 000 000 0042 e-18)
|
||
|
|
.Ss Sackur-Tetrode constant (1 K, 100 kPa)
|
||
|
|
-1.151 707 537 06 (0.000 000 000 45)
|
||
|
|
.Ss Sackur-Tetrode constant (1 K, 101.325 kPa)
|
||
|
|
-1.164 870 523 58 (0.000 000 000 45)
|
||
|
|
.Ss second radiation constant
|
||
|
|
1.438 776 877... e-2 (m K) (exact)
|
||
|
|
.Ss shielded helion gyromag. ratio
|
||
|
|
2.037 894 569 e8 (s^-1 T^-1) (0.000 000 024 e8)
|
||
|
|
.Ss shielded helion gyromag. ratio in MHz/T
|
||
|
|
32.434 099 42 (MHz T^-1) (0.000 000 38)
|
||
|
|
.Ss shielded helion mag. mom.
|
||
|
|
-1.074 553 090 e-26 (J T^-1) (0.000 000 013 e-26)
|
||
|
|
.Ss shielded helion mag. mom. to Bohr magneton ratio
|
||
|
|
-1.158 671 471 e-3 (0.000 000 014 e-3)
|
||
|
|
.Ss shielded helion mag. mom. to nuclear magneton ratio
|
||
|
|
-2.127 497 719 (0.000 000 025)
|
||
|
|
.Ss shielded helion to proton mag. mom. ratio
|
||
|
|
-0.761 766 5618 (0.000 000 0089)
|
||
|
|
.Ss shielded helion to shielded proton mag. mom. ratio
|
||
|
|
-0.761 786 1313 (0.000 000 0033)
|
||
|
|
.Ss shielded proton gyromag. ratio
|
||
|
|
2.675 153 151 e8 (s^-1 T^-1) (0.000 000 029 e8)
|
||
|
|
.Ss shielded proton gyromag. ratio in MHz/T
|
||
|
|
42.576 384 74 (MHz T^-1) (0.000 000 46)
|
||
|
|
.Ss shielded proton mag. mom.
|
||
|
|
1.410 570 560 e-26 (J T^-1) (0.000 000 015 e-26)
|
||
|
|
.Ss shielded proton mag. mom. to Bohr magneton ratio
|
||
|
|
1.520 993 128 e-3 (0.000 000 017 e-3)
|
||
|
|
.Ss shielded proton mag. mom. to nuclear magneton ratio
|
||
|
|
2.792 775 599 (0.000 000 030)
|
||
|
|
.Ss shielding difference of d and p in HD
|
||
|
|
2.0200 e-8 (0.0020 e-8)
|
||
|
|
.Ss shielding difference of t and p in HT
|
||
|
|
2.4140 e-8 (0.0020 e-8)
|
||
|
|
.Ss speed of light in vacuum
|
||
|
|
299 792 458 (m s^-1) (exact)
|
||
|
|
.Ss standard acceleration of gravity
|
||
|
|
9.806 65 (m s^-2) (exact)
|
||
|
|
.Ss standard atmosphere
|
||
|
|
101 325 (Pa) (exact)
|
||
|
|
.Ss standard-state pressure
|
||
|
|
100 000 (Pa) (exact)
|
||
|
|
.Ss Stefan-Boltzmann constant
|
||
|
|
5.670 374 419... e-8 (W m^-2 K^-4) (exact)
|
||
|
|
.Ss tau Compton wavelength
|
||
|
|
6.977 71 e-16 (m) (0.000 47 e-16)
|
||
|
|
.Ss tau-electron mass ratio
|
||
|
|
3477.23 (0.23)
|
||
|
|
.Ss tau energy equivalent
|
||
|
|
1776.86 (MeV) (0.12)
|
||
|
|
.Ss tau mass
|
||
|
|
3.167 54 e-27 (kg) (0.000 21 e-27)
|
||
|
|
.Ss tau mass energy equivalent
|
||
|
|
2.846 84 e-10 (J) (0.000 19 e-10)
|
||
|
|
.Ss tau mass in u
|
||
|
|
1.907 54 (u) (0.000 13)
|
||
|
|
.Ss tau molar mass
|
||
|
|
1.907 54 e-3 (kg mol^-1) (0.000 13 e-3)
|
||
|
|
.Ss tau-muon mass ratio
|
||
|
|
16.8170 (0.0011)
|
||
|
|
.Ss tau-neutron mass ratio
|
||
|
|
1.891 15 (0.000 13)
|
||
|
|
.Ss tau-proton mass ratio
|
||
|
|
1.893 76 (0.000 13)
|
||
|
|
.Ss Thomson cross section
|
||
|
|
6.652 458 7321 e-29 (m^2) (0.000 000 0060 e-29)
|
||
|
|
.Ss triton-electron mass ratio
|
||
|
|
5496.921 535 73 (0.000 000 27)
|
||
|
|
.Ss triton g factor
|
||
|
|
5.957 924 931 (0.000 000 012)
|
||
|
|
.Ss triton mag. mom.
|
||
|
|
1.504 609 5202 e-26 (J T^-1) (0.000 000 0030 e-26)
|
||
|
|
.Ss triton mag. mom. to Bohr magneton ratio
|
||
|
|
1.622 393 6651 e-3 (0.000 000 0032 e-3)
|
||
|
|
.Ss triton mag. mom. to nuclear magneton ratio
|
||
|
|
2.978 962 4656 (0.000 000 0059)
|
||
|
|
.Ss triton mass
|
||
|
|
5.007 356 7446 e-27 (kg) (0.000 000 0015 e-27)
|
||
|
|
.Ss triton mass energy equivalent
|
||
|
|
4.500 387 8060 e-10 (J) (0.000 000 0014 e-10)
|
||
|
|
.Ss triton mass energy equivalent in MeV
|
||
|
|
2808.921 132 98 (MeV) (0.000 000 85)
|
||
|
|
.Ss triton mass in u
|
||
|
|
3.015 500 716 21 (u) (0.000 000 000 12)
|
||
|
|
.Ss triton molar mass
|
||
|
|
3.015 500 715 17 e-3 (kg mol^-1) (0.000 000 000 92 e-3)
|
||
|
|
.Ss triton-proton mass ratio
|
||
|
|
2.993 717 034 14 (0.000 000 000 15)
|
||
|
|
.Ss triton relative atomic mass
|
||
|
|
3.015 500 716 21 (0.000 000 000 12)
|
||
|
|
.Ss triton to proton mag. mom. ratio
|
||
|
|
1.066 639 9191 (0.000 000 0021)
|
||
|
|
.Ss unified atomic mass unit
|
||
|
|
1.660 539 066 60 e-27 (kg) (0.000 000 000 50 e-27)
|
||
|
|
.Ss vacuum electric permittivity
|
||
|
|
8.854 187 8128 e-12 (F m^-1) (0.000 000 0013 e-12)
|
||
|
|
.Ss vacuum mag. permeability
|
||
|
|
1.256 637 062 12 e-6 (N A^-2) (0.000 000 000 19 e-6)
|
||
|
|
.Ss von Klitzing constant
|
||
|
|
25 812.807 45... (ohm) (exact)
|
||
|
|
.Ss weak mixing angle
|
||
|
|
0.222 90 (0.000 30)
|
||
|
|
.Ss Wien frequency displacement law constant
|
||
|
|
5.878 925 757... e10 (Hz K^-1) (exact)
|
||
|
|
.Ss Wien wavelength displacement law constant
|
||
|
|
2.897 771 955... e-3 (m K) (exact)
|
||
|
|
.Ss W to Z mass ratio
|
||
|
|
0.881 53 (0.000 17)
|
||
|
|
|
||
|
|
.Sh INFO
|
||
|
|
Manual page version 2018-1. Public domain.
|
||
|
|
|
||
|
|
Generated from
|
||
|
|
.Lk https://physics.nist.gov/cuu/Constants/Table/allascii.txt
|
||
|
|
using the following script for the table:
|
||
|
|
.Bd -literal -offset indent -compact
|
||
|
|
awk -F ' +' 'NR >= 12 {
|
||
|
|
if ($4 != "")
|
||
|
|
$4 = " (" $4 ")";
|
||
|
|
if ($1 == "")
|
||
|
|
next;
|
||
|
|
if ($3 !~ /^\(/)
|
||
|
|
$3 = "(" $3 ")"
|
||
|
|
printf(".Ss %s\n%s%s %s\n", $1, $2, $4, $3)
|
||
|
|
} ' allascii.txt
|
||
|
|
.Ed
|