Some Resources, Data Tables etc.

Some Resources, Data Tables etc.

Primary SI Units Meter m Kilogram kg Second s Ampere A Kelvin K Mol mol Candela cd Newton N Farad F Joule J Coulomb C Tesla T Hertz Hz Watt W

Prefixes for SI Units 10 10 2 10 3 10 6 10 9 10 12 10 15 10 18 10 21 10 24 Deca Hecto Kilo Mega Giga Tera Peta Exa Zetta Yotta da h k M G T P E Z Y 10 1 10 2 10 3 10 6 10 9 10 12 10 15 10 18 10 21 10 24 Deci Centi Milli Micro Nano Pico Femto Atto Zepto Yocto D c m μ n p f a z y

Conversion Factors 1 u = m u = (1/12)m( 12 C) 1 T = 10 4 G 1 ev = 1.60217733(49)x10 19 J 1 Ci = 3.7x10 10 s 1 1 J = 10 7 erg 1 Å = 10 10 m = 10 8 cm 1 C = 10 1 e.m.u. 1 fm = 10 15 m = 10 13 cm 1 C = 2.99792458x10 9 e.s.u. 1 b = 10 28 m 2 = 10 24 cm 2

Table of the KXray transition energies for the elements, based on NIST data and given in [ev]

Z Element K α2 K α1 K β1 K β2 ω K 10 Ne 848.61 848.61 857.89 11 Na 1040.98 1040.98 1071.12 12 Mg 1253.437 1253.688 1302.20 13 Al 1486.295 1486.708 1557.57 14 Si 1739.394 1739.985 1835.96 15 P 2012.70 2013.68* 2139.1 16 S 2306.700 2307.885 2464.07 0.049 17 Cl 2620.846 2622.44 2815.60 0.065 18 Ar 2955.566 2957.682 3190.49 0.081 19 K 3311.1956 3313.948 3589.63 0.099 20 Ca 3688.128 3691.719 4012.76 0.120 21 Sc 4085.9526 4090.735 4460.44 0.143 22 Ti 4504.9201 4510.899 4931.827 0.170 23 V 4944.671 4952.216 5427.320 0.198 24 Cr 5405.5384 5414.805 5946.823 0.229 25 Mn 5887.6859 5898.8010 6490.585 0.261 26 Fe 6391.0264 6404.0062 7058.175 0.293 27 Co 6915.5380 6930.3780 7649.445 0.327 28 Ni 7461.0343 7478.2521 8264.775 0.359

Z Element K α2 K α1 K β1 K β2 ω K 29 Cu 8027.8416 8047.8227 8905.413 0.393 30 Zn 8615.823 8638.906 9572.03 9658.05 0.43 31 Ga 9224.835 9251.674 10264.19 10366.42 0.46 32 Ge 9855.42 9886.52 10982.19 11100.97 0.49 33 As 10507.50 10543.2674 11725.73 11864.34 0.52 34 Se 11181.53 11222.52 12496.03 12652.29 0.55 35 Br 11877.75 11924.36 13291.56 13469.60 0.58 36 Kr 12595.424 12648.002 14112.815 14315.0 0.60 37 Rb 13335.88 13395.49 14961.42 15185.54 0.63 38 Sr 14098.03 14165.20 15835.89 16084.68 0.65 39 Y 14882.94 14958.54 16738.08 17015.6 0.67 40 Zr 15690.645 15774.914 17666.578 17970.3 0.70 41 Nb 16521.28 16615.16 18622.68 18952.9 0.71 42 Mo 17374.29 17479.372 19608.34 19965.27 0.73 43 Tc 18250.9* 18367.2* 20619.0* 21005.4* 0.75 44 Ru 19150.49 19279.16 21656.75 22074.3 0.77 45 Rh 20073.67 20216.12 22723.59 23173.0 0.78 46 Pd 21020.15 21177.08 23818.69 24299.4 0.79 47 Ag 21990.30 22162.917 24942.42 25456.71 0.80 48 Cd 22984.05 23173.98 26095.44 26644.07 0.82 49 In 24002.03 24209.75 27275.55 27861.20 0.83

70 Yb 51354.60 52389.48 59367.1 60985* 0.94 Z Element K α2 K α1 K β1 K β2 ω K 50 Sn 25044.04 25271.36 28486.26 29109.64 0.84 51 Sb 26110.78 26358.86 29725.53 30389.84 0.85 52 Te 27201.99 27472.57 30995.97 31700.76 0.86 53 In 28317.52 28612.32 32295.05 33041.7 0.86 54 Xe 29458.250 29778.78 33624.23 34414.7* 0.87 55 Cs 30625.40 30973.13 34987.3 35821.7 0.88 56 Ba 31816.615 32193.262 36377.445 37257.7 0.88 57 La 33034.38 33442.12 37801.45 38730.3 0.89 58 Ce 34279.28 34720.00 39257.77 40233.1 0.89 59 Pr 35550.59 36026.71 40748.67 41774.4 0.90 60 Nd 36847.502 37360.739 42270.90 43335* 0.90 61 Pm 38171.55 38725.11 43825.5* 44937* 0.91 62 Sm 39523.39 40118.481 45413.0 46575 0.91 63 Eu 40902.33 41452.63 47038.4 48256.6 0.92 64 Gd 42309.30 42996.72 48696.9 49960.6 0.92 65 Tb 43744.62 44482.75 50382.9 51724* 0.92 66 Dy 45208.27 45998.94 52119.7 53510* 0.93 67 Ho 46699.98 47547.10 53877.1 55325* 0.93 68 Er 48221.61 49127.24 55673.52 57214* 0.93 69 Tm 49772.67 50741.475 57508.76 59095* 0.93

Z Element K α2 K α1 K β1 K β2 ω K 71 Lu 52965.57 54070.39 61283* 62967* 0.94 72 Hf 54612.0# 55790.8# 63234* 64980* 0.94 73 Ta 56277.6 57533.2 65223.3 67013.5# 0.94 74 W 57981.77 59318.847 67245.0 69101.3 0.94 75 Re 59718.57 61141.00 69310.3 71232.1 0.95 76 Os 61487.27 63001.07 71413.9 73403.2 0.95 77 Ir 63287.29 64896.2 73561.7 75619.3 0.95 78 Pt 65123.3 66832.9 75749.1 77878.3 0.95 79 Au 66990.73 68804.5 77979.80 80186.2 0.95 80 Hg 68895.1 70819.5 80254.2 82545 0.95 81 Tl 70832.5 72872.5 82576.7 84948.5 0.95 82 Pb 72805.42 74970.11 84939.08 87366.9 0.96 83 Bi 74816.21 77109.2 87344.1 89861.8 0.96 84 Po 76864.4* 79292.9* 89797* 92400* 0.96 85 At 78944* 81514* 92304* 94991* 0.96 86 Rn 81066* 83783* 94867* 97639* 0.96 87 Fr 83232* 86105* 97478* 100326* 0.96 88 Ra 85436 88476 100136 103045 0.96 89 Ac 87676* 90884.8* 102847* 105868* 0.96 90 Th 89957.04 93347.38 105601.51 108718 0.96 91 Pa 92283.4 95866.4 108417.3 111625* 0.96 92 U238 94650.84 98431.58 111295.08 114607# 0.96

Gamma energy calibration standards

Gamma Rays Used as Energy Calibration Standards Source Half Life Energy (kev) 241 Am 432 years 59.536 ± 0.001 44 Ti 59.0 ± 0.6 years 67.875 ± 0.005 44 Ti 59.0 ± 0.6 years 78.337 ± 0.004 109 Cd 463.26 ± 0.63 days 88.034 ± 0.010 182 Ta 114.43 days 100.106 ± 0.001 57 Co 272 days 122.046 ± 0.020 144 Ce 284.534 ± 0.032 d 133.503 ± 0.020 57 Co 272 days 136.465 ± 0.020 141 Ce 32.5 days 145.442 ± 0.010 182 Ta 114.43 days 152.435 ± 0.004 139 Ce 137.6 days 165.852 ± 0.010 182 Ta 114.43 days 179.393 ± 0.003 182 Ta 114.43 days 222.110 ± 0.003 212 Pb 10.64 hours 238.624 ± 0.008 203 Hg 46.6 days 279.179 ± 0.010 192 Ir 73.810 ± 0.019 days 295.938 ± 0.010 192 Ir 73.810 ± 0.019 days 308.440 ± 0.010 192 Ir 73.810 ± 0.019 days 316.490 ± 0.010 131 I 8.02 days 364.491 ± 0.015 Source Half Life Energy (kev) 198 Au 2.696 days 411.792 ± 0.008 192 Ir 73.810 ± 0.019 days 468.060 ± 0.010 m 0 c 2 511.003 ± 0.002 207 Bi 11523. ± 15. days 569.690 ± 0.030 208 Tl 3.053 minutes 583.139 ± 0.023 192 Ir 73.810 ± 0.019 days 604.378 ± 0.020 192 Ir 73.810 ± 0.019 days 612.430 ± 0.020 137 Cs 30.0 years 661.615 ± 0.030 54 Mn 312.5 days 834.840 ± 0.050 88 Y 106.6 days 898.023 ± 0.065 207 Bi 11523. ± 15. days 1063.655 ± 0.040 60 Co 5.27 years 1173.231 ± 0.030 22 Na 2.60 years 1274.550 ± 0.040 60 Co 5.27 years 1332.508 ± 0.015 140 La 40.293 ± 0.012 h 1596.200 ± 0.040 124 Sb 60.20 days 1691.022 ± 0.050 88 Y 106.6 days 1836.127 ± 0.050 208 Tl 3.053 minutes 2614.708 ± 0.050 24 Na 15.0 hours 2754.142 ± 0.060

Multiple Gamma Rays Emitted in the Decay of 152 Eu Energy (kev) Relative Intensity 121.8 141. ± 4. 244.7 36.6 ± 1.1 344.3 127.2 ± 1.3 367.8 4.19 ± 0.04 411.1 10.71 ± 0.11 444.0 15.00 ± 0.15 488.7 1.984 ± 0.023 586.3 2.24 ± 0.05 678.6 2.296 ± 0.028 688.7 4.12 ± 0.04 778.9 62.6 ± 0.6 867.4 20.54 ± 0.21 964.0 70.4 ± 0.7 1005.1 3.57 ± 0.07 1085.8 48.7 ± 0.5 1089.7 8.26 ± 0.09 1112.1 65.0 ± 0.7 1212.9 6.67 ± 0.07 1299.1 7.76 ± 0.08 1408.0 100.0 ± 1.0 1457.6 2.52 ± 0.09

Short selection of Fundamental constants

Atomic Constants Fine Structure Constant, μ 0 ce 2 /2h α α 1 7.29735308(33) 137.0359895(61) 10 3 Rydberg Constant, m e cα 2 /2h in Hertz, R c in Joules, R hc in ev, R hc/{e} R 10973731.534(13) 3.2898419499(39) 2.1798741(13) 13.6056981(40) m 1 10 15 Hz 10 18 J ev Bohr s Radius, α/4πr a 0 0.529177249(24) 10 10 m Hartree Energy, e 2 /4πε 0 a 0 =2R In ev, E h /{e} E h 4.3597482(26) 27.2113961(81) 10 18 J ev

PhysicalChemistry Constants Avogadro Constant NA, L 6.0221367(36) 1023mol1 Atomic Mass Units, Mu=(1/12)m(12C) in ev, muc2/{e} mu 1.6605402(19) 931.49432(28) 1027kg MeV Faraday Constant, NAe F 96485.309(29) Cmol1 Molar Gas Constant R 8.314510(70) Jmol1K1 1.380658(12) 1023JK1 Boltzmann Constant, R/NA in ev, k/{e} in Hertz, k/h in wavelength, k/hc k 8.617385(73) 2.083674(18) 69.50387(59) 105eVK1 1010HzK1 m1k1 StefanBoltzmann Constant, (π2/60)k4/ћ3c2 σ 5.67051(19) 108Wm2K4 Wien s Constant b=λmaxt b 2.897756(24) 103mK

Fundamental constants and data, based on NIST data, detailed list

Quantity Value Uncertainty Unit {220} lattice spacing of silicon 192.015 5762 e12 0.000 0050 e12 m alpha particleelectron mass ratio 7294.299 5365 0.000 0031 alpha particle mass 6.644 656 20 e27 0.000 000 33 e27 kg alpha particle mass energy equivalent 5.971 919 17 e10 0.000 000 30 e10 J alpha particle mass energy equivalent in MeV 3727.379 109 0.000 093 MeV alpha particle mass in u 4.001 506 179 127 0.000 000 000 062 u alpha particle molar mass 4.001 506 179 127 e3 0.000 000 000 062 e3 kg mol^1 alpha particleproton mass ratio 3.972 599 689 51 0.000 000 000 41 Angstrom star 1.000 014 98 e10 0.000 000 90 e10 m atomic mass constant 1.660 538 782 e27 0.000 000 083 e27 kg atomic mass constant energy equivalent 1.492 417 830 e10 0.000 000 074 e10 J atomic mass constant energy equivalent in MeV 931.494 028 0.000 023 MeV atomic mass unitelectron volt relationship 931.494 028 e6 0.000 023 e6 atomic mass unithartree relationship 3.423 177 7149 e7 0.000 000 0049 e7 E_h atomic mass unithertz relationship 2.252 342 7369 e23 0.000 000 0032 e23 Hz ev

Quantity Value Uncertainty Unit atomic mass unitinverse meter relationship 7.513 006 671 e14 0.000 000 011 e14 m^1 atomic unit of charge 1.602 176 487 e19 0.000 000 040 e19 C atomic mass unitjoule relationship 1.492 417 830 e10 0.000 000 074 e10 J atomic mass unitkelvin relationship 1.080 9527 e13 0.000 0019 e13 K atomic mass unitkilogram relationship 1.660 538 782 e27 0.000 000 083 e27 kg atomic unit of 1st hyperpolarizablity 3.206 361 533 e53 0.000 000 081 e53 C^3 m^3 J^2 atomic unit of 2nd hyperpolarizablity 6.235 380 95 e65 0.000 000 31 e65 C^4 m^4 J^3 atomic unit of action 1.054 571 628 e34 0.000 000 053 e34 Js atomic unit of charge density 1.081 202 300 e12 0.000 000 027 e12 C m^3 atomic unit of current A 6.623 617 63 e3 0.000 000 17 e3 A atomic unit of electric dipole mom. 8.478 352 81 e30 0.000 000 21 e30 Cm atomic unit of electric field 5.142 206 32 e11 0.000 000 13 e11 V m^1 atomic unit of electric field gradient 9.717 361 66 e21 0.000 000 24 e21 V m^2 atomic unit of electric polarizablity 1.648 777 2536 e41 0.000 000 0034 e41 C^2 m^2 J^1 atomic unit of electric potential 27.211 383 86 0.000 000 68 V atomic unit of electric quadrupole mom. 4.486 551 07 e40 0.000 000 11 e40 C m^2

Quantity Value Uncertainty Unit atomic unit of energy 4.359 743 94 e18 0.000 000 22 e18 J atomic unit of force 8.238 722 06 e8 0.000 000 41 e8 N atomic unit of length 0.529 177 208 59 e10 0.000 000 000 36 e10 m atomic unit of mag. dipole mom. 1.854 801 830 e23 0.000 000 046 e23 J T^1 atomic unit of mag. flux density 2.350 517 382 e5 0.000 000 059 e5 T atomic unit of magnetizability 7.891 036 433 e29 0.000 000 027 e29 J T^2 atomic unit of mass 9.109 382 15 e31 0.000 000 45 e31 kg atomic unit of momentum 1.992 851 565 e24 0.000 000 099 e24 kg m s^1 atomic unit of permittivity 1.112 650 056... e10 (exact) F m^1 atomic unit of time 2.418 884 326 505 e17 0.000 000 000 016 e17 s atomic unit of velocity 2.187 691 2541 e6 0.000 000 0015 e6 m s^1 Avogadro constant 6.022 141 79 e23 0.000 000 30 e23 mol^1 Bohr magneton 927.400 915 e26 0.000 023 e26 J T^1 Bohr magneton in ev/t 5.788 381 7555 e5 0.000 000 0079 e5 ev T^1 Bohr magneton in Hz/T 13.996 246 04 e9 0.000 000 35 e9 Hz T^1 Bohr magneton in inverse meters per tesla 46.686 4515 0.000 0012 m^1 T^1 Bohr magneton in K/T 0.671 7131 0.000 0012 K T^1

Quantity Value Uncertainty Unit Bohr radius 0.529 177 208 59 e10 0.000 000 000 36 e10 m Boltzmann constant 1.380 6504 e23 0.000 0024 e23 J K^1 Boltzmann constant in ev/k 8.617 343 e5 0.000 015 e5 ev K^1 Boltzmann constant in Hz/K 2.083 6644 e10 0.000 0036 e10 Hz K^1 Boltzmann constant in inverse meters per kelvin 69.503 56 0.000 12 m^1 K^1 characteristic impedance of vacuum 376.730 313 461... (exact) ohm classical electron radius 2.817 940 2894 e15 0.000 000 0058 e15 m Compton wavelength 2.426 310 2175 e12 0.000 000 0033 e12 m Compton wavelength over 2 pi 386.159 264 59 e15 0.000 000 53 e15 m conductance quantum 7.748 091 7004 e5 0.000 000 0053 e5 S conventional value of Josephson constant 483 597.9 e9 (exact) Hz V^1 conventional value of von Klitzing constant 25 812.807 (exact) ohm Cu x unit 1.002 076 99 e13 0.000 000 28 e13 m deuteronelectron mag. mom. ratio 4.664 345 537 e4 0.000 000 039 e4 deuteronelectron mass ratio 3670.482 9654 0.000 0016 deuteron g factor 0.857 438 2308 0.000 000 0072

Quantity Value Uncertainty Unit deuteron mag. mom. 0.433 073 465 e26 0.000 000 011 e26 J T^1 deuteron mag. mom. to Bohr magneton ratio 0.466 975 4556 e3 0.000 000 0039 e3 deuteron mag. mom. to nuclear magneton ratio 0.857 438 2308 0.000 000 0072 deuteron mass 3.343 583 20 e27 0.000 000 17 e27 kg deuteron mass energy equivalent 3.005 062 72 e10 0.000 000 15 e10 J deuteron mass energy equivalent in MeV 1875.612 793 0.000 047 MeV deuteron mass in u 2.013 553 212 724 0.000 000 000 078 u deuteron molar mass 2.013 553 212 724 e3 0.000 000 000 078 e3 kg mol^1 deuteronneutron mag. mom. ratio 0.448 206 52 0.000 000 11 deuteronproton mag. mom. ratio 0.307 012 2070 0.000 000 0024 deuteronproton mass ratio 1.999 007 501 08 0.000 000 000 22 deuteron rms charge radius 2.1402 e15 0.0028 e15 m electric constant 8.854 187 817... e12 (exact) F m^1 electron charge to mass quotient 1.758 820 150 e11 0.000 000 044 e11 C kg^1 electrondeuteron mag. mom. ratio 2143.923 498 0.000 018 electrondeuteron mass ratio 2.724 437 1093 e4 0.000 000 0012 e4

Quantity Value Uncertainty Unit electron g factor 2.002 319 304 3622 0.000 000 000 0015 electron gyromag. ratio 1.760 859 770 e11 0.000 000 044 e11 s^1 T^1 electron gyromag. ratio over 2 pi 28 024.953 64 0.000 70 MHz T^1 electron mag. mom. 928.476 377 e26 0.000 023 e26 J T^1 electron mag. mom. anomaly 1.159 652 181 11 e3 0.000 000 000 74 e3 electron mag. mom. to Bohr magneton ratio 1.001 159 652 181 11 0.000 000 000 000 74 electron mag. mom. to nuclear magneton ratio 1838.281 970 92 0.000 000 80 electron mass 9.109 382 15 e31 0.000 000 45 e31 kg electron mass energy equivalent 8.187 104 38 e14 0.000 000 41 e14 J electron mass energy equivalent in MeV 0.510 998 910 0.000 000 013 MeV electron mass in u 5.485 799 0943 e4 0.000 000 0023 e4 u electron molar mass 5.485 799 0943 e7 0.000 000 0023 e7 kg mol^1 electronmuon mag. mom. ratio 206.766 9877 0.000 0052 electronmuon mass ratio 4.836 331 71 e3 0.000 000 12 e3 electronneutron mag. mom. ratio 960.920 50 0.000 23 electronneutron mass ratio 5.438 673 4459 e4 0.000 000 0033 e4

Quantity Value Uncertainty Unit electronproton mag. mom. ratio 658.210 6848 0.000 0054 electronproton mass ratio 5.446 170 2177 e4 0.000 000 0024 e4 electrontau mass ratio 2.875 64 e4 0.000 47 e4 electron to alpha particle mass ratio 1.370 933 555 70 e4 0.000 000 000 58 e4 electron to shielded helion mag. mom. ratio 864.058 257 0.000 010 electron to shielded proton mag. mom. ratio 658.227 5971 0.000 0072 electron volt 1.602 176 487 e19 0.000 000 040 e19 J electron voltatomic mass unit relationship 1.073 544 188 e9 0.000 000 027 e9 u electron volthartree relationship 3.674 932 540 e2 0.000 000 092 e2 E_h electron volthertz relationship 2.417 989 454 e14 0.000 000 060 e14 Hz electron voltinverse meter relationship 8.065 544 65 e5 0.000 000 20 e5 m^1 electron voltjoule relationship 1.602 176 487 e19 0.000 000 040 e19 J electron voltkelvin relationship 1.160 4505 e4 0.000 0020 e4 K electron voltkilogram relationship 1.782 661 758 e36 0.000 000 044 e36 kg elementary charge 1.602 176 487 e19 0.000 000 040 e19 C elementary charge over h 2.417 989 454 e14 0.000 000 060 e14 A J^1

Quantity Value Uncertainty Unit Faraday constant 96 485.3399 0.0024 C mol^1 Faraday constant for conventional electric current 96 485.3401 0.0048 C_90 mol^1 Fermi coupling constant 1.166 37 e5 0.000 01 e5 GeV^2 finestructure constant 7.297 352 5376 e3 0.000 000 0050 e3 first radiation constant 3.741 771 18 e16 0.000 000 19 e16 W m^2 first radiation constant for spectral radiance 1.191 042 759 e16 0.000 000 059 e16 W m^2 sr^1 hartreeatomic mass unit relationship 2.921 262 2986 e8 0.000 000 0042 e8 u hartreeelectron volt relationship 27.211 383 86 0.000 000 68 ev Hartree energy 4.359 743 94 e18 0.000 000 22 e18 J Hartree energy in ev 27.211 383 86 0.000 000 68 ev hartreehertz relationship 6.579 683 920 722 e15 0.000 000 000 044 e15 Hz hartreeinverse meter relationship 2.194 746 313 705 e7 0.000 000 000 015 e7 m^1 hartreejoule relationship 4.359 743 94 e18 0.000 000 22 e18 J hartreekelvin relationship 3.157 7465 e5 0.000 0055 e5 K hartreekilogram relationship 4.850 869 34 e35 0.000 000 24 e35 kg helionelectron mass ratio 5495.885 2765 0.000 0052

Quantity Value Uncertainty Unit helion mass 5.006 411 92 e27 0.000 000 25 e27 kg helion mass energy equivalent 4.499 538 64 e10 0.000 000 22 e10 J helion mass energy equivalent in MeV 2808.391 383 0.000 070 MeV helion mass in u 3.014 932 2473 0.000 000 0026 u helion molar mass 3.014 932 2473 e3 0.000 000 0026 e3 kg mol^1 helionproton mass ratio 2.993 152 6713 0.000 000 0026 hertzatomic mass unit relationship 4.439 821 6294 e24 0.000 000 0064 e24 u hertzelectron volt relationship 4.135 667 33 e15 0.000 000 10 e15 ev hertzhartree relationship 1.519 829 846 006 e16 0.000 000 000 010 e16 E_h hertzinverse meter relationship 3.335 640 951... e9 (exact) m^1 hertzjoule relationship 6.626 068 96 e34 0.000 000 33 e34 J hertzkelvin relationship 4.799 2374 e11 0.000 0084 e11 K hertzkilogram relationship 7.372 496 00 e51 0.000 000 37 e51 kg inverse finestructure constant 137.035 999 679 0.000 000 094 inverse meteratomic mass unit relationship 1.331 025 0394 e15 0.000 000 0019 e15 u inverse meterelectron volt relationship 1.239 841 875 e6 0.000 000 031 e6 ev inverse meterhartree relationship 4.556 335 252 760 e8 0.000 000 000 030 e8 E_h

Quantity Value Uncertainty Unit inverse meterhertz relationship 299 792 458 (exact) Hz inverse meterjoule relationship 1.986 445 501 e25 0.000 000 099 e25 J inverse meterkelvin relationship 1.438 7752 e2 0.000 0025 e2 K inverse meterkilogram relationship 2.210 218 70 e42 0.000 000 11 e42 kg inverse of conductance quantum 12 906.403 7787 0.000 0088 ohm Josephson constant 483 597.891 e9 0.012 e9 Hz V^1 jouleatomic mass unit relationship 6.700 536 41 e9 0.000 000 33 e9 u jouleelectron volt relationship 6.241 509 65 e18 0.000 000 16 e18 ev joulehartree relationship 2.293 712 69 e17 0.000 000 11 e17 E_h joulehertz relationship 1.509 190 450 e33 0.000 000 075 e33 Hz jouleinverse meter relationship 5.034 117 47 e24 0.000 000 25 e24 m^1 joulekelvin relationship 7.242 963 e22 0.000 013 e22 K joulekilogram relationship 1.112 650 056... e17 (exact) kg kelvinatomic mass unit relationship 9.251 098 e14 0.000 016 e14 u kelvinelectron volt relationship 8.617 343 e5 0.000 015 e5 ev kelvinhartree relationship 3.166 8153 e6 0.000 0055 e6 E_h

Quantity Value Uncertainty Unit kelvinhertz relationship 2.083 6644 e10 0.000 0036 e10 Hz kelvininverse meter relationship 69.503 56 0.000 12 m^1 kelvinjoule relationship 1.380 6504 e23 0.000 0024 e23 J kelvinkilogram relationship 1.536 1807 e40 0.000 0027 e40 kg kilogramatomic mass unit relationship 6.022 141 79 e26 0.000 000 30 e26 u kilogramelectron volt relationship 5.609 589 12 e35 0.000 000 14 e35 ev kilogramhartree relationship 2.061 486 16 e34 0.000 000 10 e34 E_h kilogramhertz relationship 1.356 392 733 e50 0.000 000 068 e50 Hz kilograminverse meter relationship 4.524 439 15 e41 0.000 000 23 e41 m^1 kilogramjoule relationship 8.987 551 787... e16 (exact) J kilogramkelvin relationship 6.509 651 e39 0.000 011 e39 K lattice parameter of silicon 543.102 064 e12 0.000 014 e12 m Loschmidt constant (273.15 K, 101.325 kpa) 2.686 7774 e25 0.000 0047 e25 m^3 mag. constant 12.566 370 614... e7 (exact) N A^2 mag. flux quantum 2.067 833 667 e15 0.000 000 052 e15 Wb molar gas constant 8.314 472 0.000 015 J mol^1 K^1 molar mass constant 1 e3 (exact) kg mol^1

Quantity Value Uncertainty Unit molar mass of carbon12 12 e3 (exact) kg mol^1 molar Planck constant 3.990 312 6821 e10 0.000 000 0057 e10 J s mol^1 molar Planck constant times c 0.119 626 564 72 0.000 000 000 17 J m mol^1 molar volume of ideal gas (273.15 K, 100 kpa) molar volume of ideal gas (273.15 K, 101.325 kpa) 22.710 981 e3 0.000 040 e3 m^3 mol^1 22.413 996 e3 0.000 039 e3 m^3 mol^1 molar volume of silicon 12.058 8349 e6 0.000 0011 e6 m^3 mol^1 Mo x unit 1.002 099 55 e13 0.000 000 53 e13 m muon Compton wavelength 11.734 441 04 e15 0.000 000 30 e15 m muon Compton wavelength over 2 pi 1.867 594 295 e15 0.000 000 047 e15 m muonelectron mass ratio 206.768 2823 0.000 0052 muon g factor 2.002 331 8414 0.000 000 0012 muon mag. mom. 4.490 447 86 e26 0.000 000 16 e26 J T^1 muon mag. mom. anomaly 1.165 920 69 e3 0.000 000 60 e3 muon mag. mom. to Bohr magneton ratio 4.841 970 49 e3 0.000 000 12 e3 muon mag. mom. to nuclear magneton ratio 8.890 597 05 0.000 000 23 muon mass energy equivalent 1.692 833 510 e11 0.000 000 095 e11 J

Quantity Value Uncertainty Unit muon mass 1.883 531 30 e28 0.000 000 11 e28 kg muon mass energy equivalent in MeV 105.658 3668 0.000 0038 MeV muon mass in u 0.113 428 9256 0.000 000 0029 u muon molar mass 0.113 428 9256 e3 0.000 000 0029 e3 kg mol^1 muonneutron mass ratio 0.112 454 5167 0.000 000 0029 muonproton mag. mom. ratio 3.183 345 137 0.000 000 085 muonproton mass ratio 0.112 609 5261 0.000 000 0029 muontau mass ratio 5.945 92 e2 0.000 97 e2 natural unit of action 1.054 571 628 e34 0.000 000 053 e34 Js natural unit of action in ev s 6.582 118 99 e16 0.000 000 16 e16 ev s natural unit of energy 8.187 104 38 e14 0.000 000 41 e14 J natural unit of energy in MeV 0.510 998 910 0.000 000 013 MeV natural unit of length 386.159 264 59 e15 0.000 000 53 e15 m natural unit of mass 9.109 382 15 e31 0.000 000 45 e31 kg natural unit of momentum 2.730 924 06 e22 0.000 000 14 e22 kg m s^1 natural unit of momentum in MeV/c 0.510 998 910 0.000 000 013 MeV/c natural unit of time 1.288 088 6570 e21 0.000 000 0018 e21 s

Quantity Value Uncertainty Unit natural unit of velocity 299 792 458 (exact) m s^1 neutron Compton wavelength 1.319 590 8951 e15 0.000 000 0020 e15 m neutron Compton wavelength over 2 pi 0.210 019 413 82 e15 0.000 000 000 31 e15 m neutronelectron mag. mom. ratio 1.040 668 82 e3 0.000 000 25 e3 neutronelectron mass ratio 1838.683 6605 0.000 0011 neutron g factor 3.826 085 45 0.000 000 90 neutron gyromag. ratio 1.832 471 85 e8 0.000 000 43 e8 s^1 T^1 neutron gyromag. ratio over 2 pi 29.164 6954 0.000 0069 MHz T^1 neutron mag. mom. 0.966 236 41 e26 0.000 000 23 e26 J T^1 neutron mag. mom. to Bohr magneton ratio 1.041 875 63 e3 0.000 000 25 e3 neutron mag. mom. to nuclear magneton ratio 1.913 042 73 0.000 000 45 neutron mass 1.674 927 211 e27 0.000 000 084 e27 kg neutron mass energy equivalent 1.505 349 505 e10 0.000 000 075 e10 J neutron mass energy equivalent in MeV 939.565 346 0.000 023 MeV neutron mass in u 1.008 664 915 97 0.000 000 000 43 u neutron molar mass 1.008 664 915 97 e3 0.000 000 000 43 e3 kg mol^1 neutronmuon mass ratio 8.892 484 09 0.000 000 23

Quantity Value Uncertainty Unit neutronproton mag. mom. ratio 0.684 979 34 0.000 000 16 neutronproton mass ratio 1.001 378 419 18 0.000 000 000 46 neutrontau mass ratio 0.528 740 0.000 086 neutron to shielded proton mag. mom. ratio 0.684 996 94 0.000 000 16 Newtonian constant of gravitation 6.674 28 e11 0.000 67 e11 m^3 kg^1 s^2 Newtonian constant of gravitation over hbar c 6.708 81 e39 0.000 67 e39 (GeV/c^2)^2 nuclear magneton 5.050 783 24 e27 0.000 000 13 e27 J T^1 nuclear magneton in ev/t 3.152 451 2326 e8 0.000 000 0045 e8 ev T^1 nuclear magneton in inverse meters per tesla 2.542 623 616 e2 0.000 000 064 e2 m^1 T^1 nuclear magneton in K/T 3.658 2637 e4 0.000 0064 e4 K T^1 nuclear magneton in MHz/T 7.622 593 84 0.000 000 19 MHz T^1 Planck constant 6.626 068 96 e34 0.000 000 33 e34 Js Planck constant in ev s 4.135 667 33 e15 0.000 000 10 e15 ev s Planck constant over 2 pi 1.054 571 628 e34 0.000 000 053 e34 Js Planck constant over 2 pi in ev s 6.582 118 99 e16 0.000 000 16 e16 ev s Planck constant over 2 pi times c in MeV fm 197.326 9631 0.000 0049 MeV fm

Quantity Value Uncertainty Unit Planck length 1.616 252 e35 0.000 081 e35 m Planck mass 2.176 44 e8 0.000 11 e8 kg Planck mass energy equivalent in GeV 1.220 892 e19 0.000 061 e19 GeV Planck temperature 1.416 785 e32 0.000 071 e32 K Planck time 5.391 24 e44 0.000 27 e44 s proton charge to mass quotient 9.578 833 92 e7 0.000 000 24 e7 C kg^1 proton Compton wavelength 1.321 409 8446 e15 0.000 000 0019 e15 m proton Compton wavelength over 2 pi 0.210 308 908 61 e15 0.000 000 000 30 e15 m protonelectron mass ratio 1836.152 672 47 0.000 000 80 proton g factor 5.585 694 713 0.000 000 046 proton gyromag. ratio 2.675 222 099 e8 0.000 000 070 e8 s^1 T^1 proton gyromag. ratio over 2 pi 42.577 4821 0.000 0011 MHz T^1 proton mag. mom. 1.410 606 662 e26 0.000 000 037 e26 J T^1 proton mag. mom. to Bohr magneton ratio 1.521 032 209 e3 0.000 000 012 e3 proton mag. mom. to nuclear magneton ratio 2.792 847 356 0.000 000 023 proton mag. shielding correction 25.694 e6 0.014 e6 proton mass 1.672 621 637 e27 0.000 000 083 e27 kg

Quantity Value Uncertainty Unit proton mass energy equivalent 1.503 277 359 e10 0.000 000 075 e10 J proton mass energy equivalent in MeV 938.272 013 0.000 023 MeV proton mass in u 1.007 276 466 77 0.000 000 000 10 u proton molar mass 1.007 276 466 77 e3 0.000 000 000 10 e3 kg mol^1 protonmuon mass ratio 8.880 243 39 0.000 000 23 protonneutron mag. mom. ratio 1.459 898 06 0.000 000 34 protonneutron mass ratio 0.998 623 478 24 0.000 000 000 46 proton rms charge radius 0.8768 e15 0.0069 e15 m protontau mass ratio 0.528 012 0.000 086 quantum of circulation 3.636 947 5199 e4 0.000 000 0050 e4 m^2 s^1 quantum of circulation times 2 7.273 895 040 e4 0.000 000 010 e4 m^2 s^1 Rydberg constant 10 973 731.568 527 0.000 073 m^1 Rydberg constant times c in Hz 3.289 841 960 361 e15 0.000 000 000 022 e15 Hz Rydberg constant times hc in ev 13.605 691 93 0.000 000 34 ev Rydberg constant times hc in J 2.179 871 97 e18 0.000 000 11 e18 J SackurTetrode constant (1 K, 100 kpa) 1.151 7047 0.000 0044 SackurTetrode constant (1 K, 101.325 kpa) 1.164 8677 0.000 0044

Quantity Value Uncertainty Unit second radiation constant 1.438 7752 e2 0.000 0025 e2 mk shielded helion gyromag. ratio 2.037 894 730 e8 0.000 000 056 e8 s^1 T^1 shielded helion gyromag. ratio over 2 pi 32.434 101 98 0.000 000 90 MHz T^1 shielded helion mag. mom. 1.074 552 982 e26 0.000 000 030 e26 J T^1 shielded helion mag. mom. to Bohr magneton ratio 1.158 671 471 e3 0.000 000 014 e3 shielded helion mag. mom. to nuclear magneton ratio 2.127 497 718 0.000 000 025 shielded helion to proton mag. mom. ratio 0.761 766 558 0.000 000 011 shielded helion to shielded proton mag. mom. ratio 0.761 786 1313 0.000 000 0033 shielded proton gyromag. ratio 2.675 153 362 e8 0.000 000 073 e8 s^1 T^1 shielded proton gyromag. ratio over 2 pi 42.576 3881 0.000 0012 MHz T^1 shielded proton mag. mom. 1.410 570 419 e26 0.000 000 038 e26 J T^1 shielded proton mag. mom. to Bohr magneton ratio 1.520 993 128 e3 0.000 000 017 e3 shielded proton mag. mom. to nuclear magneton ratio 2.792 775 598 0.000 000 030 speed of light in vacuum 299 792 458 (exact) m s^1 standard acceleration of gravity 9.806 65 (exact) m s^2

Quantity Value Uncertainty Unit standard atmosphere 101 325 (exact) Pa StefanBoltzmann constant 5.670 400 e8 0.000 040 e8 W m^2 K^4 tau Compton wavelength 0.697 72 e15 0.000 11 e15 m tau Compton wavelength over 2 pi 0.111 046 e15 0.000 018 e15 m tauelectron mass ratio 3477.48 0.57 tau mass 3.167 77 e27 0.000 52 e27 kg tau mass energy equivalent 2.847 05 e10 0.000 46 e10 J tau mass energy equivalent in MeV 1776.99 0.29 MeV tau mass in u 1.907 68 0.000 31 u tau molar mass 1.907 68 e3 0.000 31 e3 kg mol^1 taumuon mass ratio 16.8183 0.0027 tauneutron mass ratio 1.891 29 0.000 31 tauproton mass ratio 1.893 90 0.000 31 Thomson cross section 0.665 245 8558 e28 0.000 000 0027 e28 m^2 tritonelectron mag. mom. ratio 1.620 514 423 e3 0.000 000 021 e3 tritonelectron mass ratio 5496.921 5269 0.000 0051 triton g factor 5.957 924 896 0.000 000 076 triton mag. mom. 1.504 609 361 e26 0.000 000 042 e26 J T^1

Quantity Value Uncertainty Unit triton mag. mom. to Bohr magneton ratio 1.622 393 657 e3 0.000 000 021 e3 triton mag. mom. to nuclear magneton ratio 2.978 962 448 0.000 000 038 triton mass 5.007 355 88 e27 0.000 000 25 e27 kg triton mass energy equivalent 4.500 387 03 e10 0.000 000 22 e10 J triton mass energy equivalent in MeV 2808.920 906 0.000 070 MeV triton mass in u 3.015 500 7134 0.000 000 0025 u triton molar mass 3.015 500 7134 e3 0.000 000 0025 e3 kg mol^1 tritonneutron mag. mom. ratio 1.557 185 53 0.000 000 37 tritonproton mag. mom. ratio 1.066 639 908 0.000 000 010 tritonproton mass ratio 2.993 717 0309 0.000 000 0025 unified atomic mass unit 1.660 538 782 e27 0.000 000 083 e27 kg von Klitzing constant 25 812.807 557 0.000 018 ohm weak mixing angle 0.222 55 0.000 56 Wien frequency displacement law constant 5.878 933 e10 0.000 010 e10 Hz K^1 Wien wavelength displacement law constant 2.897 7685 e3 0.000 0051 e3 mk

Radioactive sources inventory of the Advanced Physics Laboratory

Quantity Value Uncertainty Unit