ValuesofFundConstants2007

ValuesofFundConstants2007 - 8 proton mass mp...

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- ~ 'j P. J. Mohr and B. N. Taylor, Reviews of Modern Physics, Vol. 72, No.2, 2007. TABLE XXIII. An abbreviated list of the CODATA recommended values of the fundamental constants of physics and chemistry based on the 1998 adjustment. Relative std. Quantity Symbol Numerical value Unit uncert. U r speed of light in vacuum c,co 299792458 ms- I (exact) magnetic constant ILo 41TX 10- 7 NA- 2 =12.566370614 ... x10- 7 NA- 2 (exact) -( C 2. J- I I'Y\ electric constant 11 ILoc 2 EO 8.854187 817 ... X10- 12 Fm- I (exact) Newtonian constant of gravitation G 6.673( lO) X lO'l1 m 3 kg- 1 s-2 1.5x lO-3 Planck constant h 6.626068 76( 52) x lO- 34 Js 7.8x lO-8 h/21T Ii 1.054571596(82) x 10- 34 J s 7.8x lO-8 elementary charge e 1.602 176 462( 63) x 10- 19 C 3.9x lO-8 magnetic flux quantum hl2e 4>0 2.067833636(81) x 10- 15 Wb 3.9X1O-8 conductance quantum 2e 2 /h Go 7.748091696(28) x 10- 5 S 3.7X 10- 9 electron mass me 9.10938188(72)x 10- 31 kg 7.9x 10-
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Unformatted text preview: 8 proton mass mp 1.67262158(13)XlO-27 kg 7.9x 10-8 prolon-electron mass ratio mp/me 1836.1526675(39) 2.1 x 10-9 fine-structure constant e2/41TEofic a 7.297352533(27) x 10-3 3.7x 10-9 inverse fine-structure constant a-I 137.03599976(50) 3.7x 10-9 Rydberg constant a 2 m e c12h R", 10 973 731.568 549(83) m-1 7.6x 10-12 Avogadro constant NA,L 6.022141 99(47) x 102 3 mol--l 7.9x10-8 Faraday constant N Ae F 96 485.3415(39) Cmol-1 4.0x lO-8 molar gas constant R 8.314472(15) J mol-1 K-1 1.7x lO-6 Boltzmann constant RIN A k 1.380 6503( 24) x 10-23 J K-1 1.7X1O-6 Stefan-Boltzmann constant (1T 2 /60)k 4 /fi 3C2 u 5.670 400( 40) x 10-8 Wm-2 K-4 7.0X 10-6 Non-SI units accepted for use with the SI electron volt: (elC) J eV 1.602176 462( 63) x 10-19 J 3.9X 10-8 (unified) atomic mass unit 1 u=::mu= 112 me 2 C) u 1.660 538 73( 13) x 10-27 kg 7.9x 10-8 == 10-3 kg mol-il N A t....
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This note was uploaded on 12/26/2011 for the course ME 501 taught by Professor Na during the Fall '10 term at Purdue University.

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