வார்ப்புரு:Physconst/data
{{#switch: {{{1}}}
 &lt;!-- explanation of 
      |_name_ =  {{#switch: {{{2}}}
                 |symbol = _symbol_
                 |val = _significand of value_
                 |un1 = _standard uncertainty in significand of value_
                 |unc = (_standard uncertainty digits for compact form; blank if exact_)
                 |round = _digits after decimal for default rounding of significand of value_
                 |exp = _exponent of value_
                 |runc = _significand of relative standard uncertainty_
                 |rexp = _exponent of relative standard uncertainty_
                 |unit = _unit of constant_
                 |ref = _reference footnote_ --&gt;
      |alpha =   {{#switch: {{{2}}}
                 |symbol = ''α''
                 |val = 7.2973525664
                 |un1 = 0.0000000017
                 |unc =          (17)
                 |round = 9
                 |exp = -3
                 |runc = 2.3
                 |rexp = -10
                 |unit =
                 |ref = &lt;ref name=&quot;physconst-alpha&quot;&gt;{{cite web |url=http://physics.nist.gov/cgi-bin/cuu/Value?alph |title=CODATA Value: fine-structure constant |month= |date=June 2015 |work=The NIST Reference on Constants, Units, and Uncertainty |publisher=US National Institute of Standards and Technology |accessdate=2015-09-25 |quote=2014 CODATA recommended values}}&lt;/ref&gt;
     }}
     |bwien =   {{#switch: {{{2}}}
                 |symbol = ''b''
                 |val = 2.8977729
                 |un1 = 0.0000017
                 |unc =       (17)
                 |round = 6
                 |exp = -3
                 |runc = 5.7
                 |rexp = -7
                 |unit = m⋅K
                 |ref = &lt;ref name=&quot;physconst-bwien&quot;&gt;{{cite web |url=http://physics.nist.gov/cgi-bin/cuu/Value?bwien |title=CODATA Value: Wien wavelength displacement law constant |date=June 2015 |work=The NIST Reference on Constants, Units, and Uncertainty |publisher=US National Institute of Standards and Technology |accessdate=2015-09-25|quote=2014 CODATA recommended values}}&lt;/ref&gt;
     }}
     |c =   {{#switch: {{{2}}}
                 |symbol = ''c''
                 |val = 299792458
                 |un1 =
                 |unc =
                 |round = 0
                 |exp =
                 |runc = 0
                 |unit = m/s
                 |ref = &lt;ref name=&quot;physconst-c&quot;&gt;{{cite web |url=http://physics.nist.gov/cgi-bin/cuu/Value?c |title=CODATA Value: speed of light in vacuum |month= |date=June 2015 |work=The NIST Reference on Constants, Units, and Uncertainty |publisher=US National Institute of Standards and Technology |accessdate=2015-09-25|quote=2014 CODATA recommended values}}&lt;/ref&gt;
     }}
     |e =   {{#switch: {{{2}}}
                 |symbol = ''e''
                 |val = 1.6021766208
                 |un1 = 0.0000000098
                 |unc = (98)
                 |round = 8
                 |exp = -19
                 |runc = 6.1
                 |rexp = -9
                 |unit = C
                 |ref = &lt;ref name=&quot;physconst-e&quot;&gt;{{cite web |url=http://physics.nist.gov/cgi-bin/cuu/Value?e |title=CODATA Value: elementary charge |month= |date=June 2015|work=The NIST Reference on Constants, Units, and Uncertainty |publisher=US National Institute of Standards and Technology |accessdate=2015-09-22|quote=2014 CODATA recommended values}}&lt;/ref&gt;
     }}
     |eps0 =   {{#switch: {{{2}}}
                 |symbol = ''ε''&lt;sub&gt;0&lt;/sub&gt;
                 |val = 8.854187817
                 |un1 =
                 |unc =
                 |round = 9
                 |end = ...
                 |exp = -12
                 |runc = 0
                 |unit = F⋅m&lt;sup&gt;−1&lt;/sup&gt;
                 |ref = &lt;ref name=&quot;physconst-eps0&quot;&gt;{{cite web |url=http://physics.nist.gov/cgi-bin/cuu/Value?ep0 |title=CODATA Value: electric constant |month= |date =June 2015 |work=The NIST Reference on Constants, Units, and Uncertainty |publisher=US National Institute of Standards and Technology |accessdate=2015-09-25|quote=2014 CODATA recommended values}}&lt;/ref&gt;
     }}
     |eV =   {{#switch: {{{2}}}
                 |symbol = 1&amp;nbsp;eV
                 |val = 1.6021766208
                 |un1 = 0.0000000098
                 |unc =          (98)
                 |round = 8
                 |exp = -19
                 |runc = 6.1
                 |rexp = -9
                 |unit = J
                 |ref = &lt;ref name=&quot;physconst-eV&quot;&gt;{{cite web |url=http://physics.nist.gov/cgi-bin/cuu/Value?tevj |title=CODATA Value: electron volt |month= |date=June 2015|work=The NIST Reference on Constants, Units, and Uncertainty |publisher=US National Institute of Standards and Technology |accessdate=2015-09-22|quote=2014 CODATA recommended values}}&lt;/ref&gt;
     }}
     |F =   {{#switch: {{{2}}}
                 |symbol = ''F''
                 |val = 96485.33289
                 |un1 =     0.00059
                 |unc =         (59)
                 |round = 3
                 |exp =
                 |runc = 6.2
                 |rexp = -9
                 |unit = C/mol
                 |ref = &lt;ref name=&quot;physconst-F&quot;&gt;{{cite web |url=http://physics.nist.gov/cgi-bin/cuu/Value?f |title=CODATA Value: Faraday constant |month= |date=June 2015 |work=The NIST Reference on Constants, Units, and Uncertainty |publisher=US National Institute of Standards and Technology |accessdate=2015-09-25|quote=2014 CODATA recommended values}}&lt;/ref&gt;
     }}
     |G =   {{#switch: {{{2}}}
                 |symbol = ''G''
                 |val = 6.67408
                 |un1 = 0.00031
                 |unc =     (31)
                 |round = 3
                 |exp = -11
                 |runc = 4.7
                 |rexp = -5
                 |unit = m&lt;sup&gt;3&lt;/sup&gt;⋅kg&lt;sup&gt;−1&lt;/sup&gt;⋅s&lt;sup&gt;−2&lt;/sup&gt;
                 |ref = &lt;ref name=&quot;physconst-G&quot;&gt;{{cite web |url=http://physics.nist.gov/cgi-bin/cuu/Value?bg |title=CODATA Value: Newtonian constant of gravitation |month= |date=June 2015  |work=The NIST Reference on Constants, Units, and Uncertainty |publisher=US National Institute of Standards and Technology |accessdate=2015-09-25|quote=2014 CODATA recommended values}}&lt;/ref&gt;
     }}
     |G0 =   {{#switch: {{{2}}}
                 |symbol = ''G''&lt;sub&gt;0&lt;/sub&gt;
                 |val = 7.7480917310
                 |un1 = 0.0000000018
                 |unc =          (18)
                 |round = 9
                 |exp = -5
                 |runc = 2.3
                 |rexp = -10
                 |unit = S
                 |ref = &lt;ref name=&quot;physconst-G0&quot;&gt;{{cite web |url=http://physics.nist.gov/cgi-bin/cuu/Value?conqu2e2sh |title=CODATA Value: conductance quantum |month= |date=June 2015 |work=The NIST Reference on Constants, Units, and Uncertainty |publisher=US National Institute of Standards and Technology |accessdate=2015-09-25|quote=2014 CODATA recommended values}}&lt;/ref&gt;
     }}
     |ge =   {{#switch: {{{2}}}
                 |symbol = ''g''&lt;sub&gt;e&lt;/sub&gt;
                 |val = -2.00231930436182
                 |un1 =  0.00000000000052
                 |unc =               (52)
                 |round = 12
                 |exp = 
                 |runc = 2.6
                 |rexp = -13
                 |unit = 
                 |ref = &lt;ref name=&quot;physconst-ge&quot;&gt;{{cite web |url=http://physics.nist.gov/cgi-bin/cuu/Value?gem |title=CODATA Value: electron g factor |month= |date=June 2015 |work=The NIST Reference on Constants, Units, and Uncertainty |publisher=US National Institute of Standards and Technology |accessdate=2015-09-25|quote=2014 CODATA recommended values}}&lt;/ref&gt;
     }}
     |gmu =   {{#switch: {{{2}}}
                 |symbol = ''g''&lt;sub&gt;&amp;mu;&lt;/sub&gt;
                 |val = -2.0023318418
                 |un1 =  0.0000000013
                 |unc =           (13)
                 |round = 9
                 |exp = 
                 |runc = 6.3
                 |rexp = -10
                 |unit = 
                 |ref = &lt;ref name=&quot;physconst-gmu&quot;&gt;{{cite web |url=http://physics.nist.gov/cgi-bin/cuu/Value?gmum |title=CODATA Value: muon g factor |month= |date=June 2015 |work=The NIST Reference on Constants, Units, and Uncertainty |publisher=US National Institute of Standards and Technology |accessdate=2015-09-25|quote=2014 CODATA recommended values}}&lt;/ref&gt;
     }}
     |h =   {{#switch: {{{2}}}
                 |symbol = ''h''
                 |val = 6.626070040
                 |un1 = 0.000000081
                 |unc =         (81)
                 |round = 6
                 |exp = -34
                 |runc = 1.2
                 |rexp = -8
                 |unit = J⋅s
                 |ref = &lt;ref name=&quot;physconst-h&quot;&gt;{{cite web |url=http://physics.nist.gov/cgi-bin/cuu/Value?h |title=CODATA Value: Planck constant |month= |date=June 2015 |work=The NIST Reference on Constants, Units, and Uncertainty |publisher=US National Institute of Standards and Technology |accessdate=2015-09-25|quote=2014 CODATA recommended values}}&lt;/ref&gt;
     }}
     |hbar =   {{#switch: {{{2}}}
                 |symbol = ''ħ''
                 |val = 1.054571800
                 |un1 = 0.000000013
                 |unc =         (13)
                 |round = 7
                 |exp = -34
                 |runc = 1.2
                 |rexp = -8
                 |unit = J⋅s
                 |ref = &lt;ref name=&quot;physconst-hbar&quot;&gt;{{cite web |url=http://physics.nist.gov/cgi-bin/cuu/Value?hbar |title=CODATA Value: Planck constant over 2 pi |month= |date=June 2015  |work=The NIST Reference on Constants, Units, and Uncertainty |publisher=US National Institute of Standards and Technology |accessdate=2015-09-25|quote=2014 CODATA recommended values}}&lt;/ref&gt;
     }}
     |invalpha =   {{#switch: {{{2}}}
                 |symbol = 1/''α''
                 |val = 137.035999139
                 |un1 =   0.000000031
                 |unc =           (31)
                 |round = 8
                 |exp =
                 |runc = 2.3
                 |rexp = -10
                 |unit =
                 |ref = &lt;ref name=&quot;physconst-invalpha&quot;&gt;{{cite web |url=http://physics.nist.gov/cgi-bin/cuu/Value?alphinv |title=CODATA Value: inverse fine-structure constant |month= |date=June 2015 |work=The NIST Reference on Constants, Units, and Uncertainty |publisher=US National Institute of Standards and Technology |accessdate=2015-09-25|quote=2014 CODATA recommended values}}&lt;/ref&gt;
     }}
     |k =   {{#switch: {{{2}}}
                 |symbol = ''k''
                 |val = 1.38064852
                 |un1 = 0.00000079
                 |unc =        (79)
                 |round = 7
                 |exp = -23
                 |runc = 5.7
                 |rexp = -7
                 |unit = J/K
                 |ref = &lt;ref name=&quot;physconst-k&quot;&gt;{{cite web |url=http://physics.nist.gov/cgi-bin/cuu/Value?k |title=CODATA Value: Boltzmann constant |month= |date=June 2015 |work=The NIST Reference on Constants, Units, and Uncertainty |publisher=US National Institute of Standards and Technology |accessdate=2015-09-25|quote=2014 CODATA recommended values}}&lt;/ref&gt;
     }}
     |KJ =   {{#switch: {{{2}}}
                 |symbol = ''K''&lt;sub&gt;J&lt;/sub&gt;
                 |val = 483597.8525
                 |un1 =      0.0030
                 |unc =         (30)
                 |round = 3
                 |exp = 9
                 |runc = 6.1
                 |rexp = -9
                 |unit = Hz⋅V&lt;sup&gt;−1&lt;/sup&gt;
                 |ref = &lt;ref name=&quot;physconst-KJ&quot;&gt;{{cite web |url=http://physics.nist.gov/cgi-bin/cuu/Value?kjos |title=CODATA Value: Josephson constant |month= |date=June 2015 |work=The NIST Reference on Constants, Units, and Uncertainty |publisher=US National Institute of Standards and Technology |accessdate=2015-09-25|quote=2014 CODATA recommended values}}&lt;/ref&gt;
     }}
     |me =   {{#switch: {{{2}}}
                 |symbol = ''m''&lt;sub&gt;e&lt;/sub&gt;
                 |val = 9.10938356
                 |un1 = 0.00000011
                 |unc =        (11)
                 |round = 7
                 |exp = -31
                 |runc = 1.2
                 |rexp = -8
                 |unit = kg
                 |ref = &lt;ref name=&quot;physconst-me&quot;&gt;{{cite web |url=http://physics.nist.gov/cgi-bin/cuu/Value?me |title=CODATA Value: electron mass |month= |date=June 2015 |work=The NIST Reference on Constants, Units, and Uncertainty |publisher=US National Institute of Standards and Technology |accessdate=2015-09-25|quote=2014 CODATA recommended values}}&lt;/ref&gt;
     }}
     |mmu =   {{#switch: {{{2}}}
                 |symbol = ''m''&lt;sub&gt;&amp;mu;&lt;/sub&gt;
                 |val = 1.883531594
                 |un1 = 0.000000048
                 |unc =         (48)
                 |round = 7
                 |exp = -28
                 |runc = 2.5
                 |rexp = -8
                 |unit = kg
                 |ref = &lt;ref name=&quot;physconst-mmu&quot;&gt;{{cite web |url=http://physics.nist.gov/cgi-bin/cuu/Value?mmu |title=CODATA Value: muon mass |month= |date=June 2015 |work=The NIST Reference on Constants, Units, and Uncertainty |publisher=US National Institute of Standards and Technology |accessdate=2015-09-25|quote=2014 CODATA recommended values}}&lt;/ref&gt;
     }}
     |mtau =   {{#switch: {{{2}}}
                 |symbol = ''m''&lt;sub&gt;&amp;tau;&lt;/sub&gt;
                 |val = 3.16747
                 |un1 = 0.00029
                 |unc =     (29)
                 |round = 4
                 |exp = -27
                 |runc = 9.0
                 |rexp = -5
                 |unit = kg
                 |ref = &lt;ref name=&quot;physconst-mtau&quot;&gt;{{cite web |url=http://physics.nist.gov/cgi-bin/cuu/Value?mtau |title=CODATA Value: tau mass |month= |date=June 2015 |work=The NIST Reference on Constants, Units, and Uncertainty |publisher=US National Institute of Standards and Technology |accessdate=2015-09-25|quote=2014 CODATA recommended values}}&lt;/ref&gt;
     }}
     |mp =   {{#switch: {{{2}}}
                 |symbol = ''m''&lt;sub&gt;p&lt;/sub&gt;
                 |val = 1.672621898
                 |un1 = 0.000000021
                 |unc =         (21)
                 |round = 7
                 |exp = -27
                 |runc = 1.2
                 |rexp = -8
                 |unit = kg
                 |ref = &lt;ref name=&quot;physconst-mp&quot;&gt;{{cite web |url=http://physics.nist.gov/cgi-bin/cuu/Value?mp |title=CODATA Value: proton mass |month= |date=June 2015  |work=The NIST Reference on Constants, Units, and Uncertainty |publisher=US National Institute of Standards and Technology |accessdate=2015-09-25|quote=2014 CODATA recommended values}}&lt;/ref&gt;
     }}
     |mpome =   {{#switch: {{{2}}}
                 |symbol = ''m''&lt;sub&gt;p&lt;/sub&gt;/''m''&lt;sub&gt;e&lt;/sub&gt;
                 |val = 1836.15267389
                 |un1 =    0.00000017
                 |unc =           (17)
                 |round = 7
                 |exp =
                 |runc = 9.5
                 |rexp = -11
                 |unit =
                 |ref = &lt;ref name=&quot;physconst-mpome&quot;&gt;{{cite web |url=http://physics.nist.gov/cgi-bin/cuu/Value?mpsme |title=CODATA Value: proton-electron mass ratio |month= |date=June 2015 |work=The NIST Reference on Constants, Units, and Uncertainty |publisher=US National Institute of Standards and Technology |accessdate=2015-09-25|quote=2014 CODATA recommended values}}&lt;/ref&gt;
     }}
     |mu =   {{#switch: {{{2}}}
                 |symbol = ''m''&lt;sub&gt;u&lt;/sub&gt;
                 |val = 1.660539040
                 |un1 = 0.000000020
                 |unc =         (20)
                 |round = 8
                 |exp = -27
                 |runc = 1.2
                 |rexp = -8
                 |unit = kg
                 |ref = &lt;ref name=&quot;physconst-mu&quot;&gt;{{cite web |url=http://physics.nist.gov/cgi-bin/cuu/Value?u |title=CODATA Value: atomic mass constant |date=June 2015 |work=The NIST Reference on Constants, Units, and Uncertainty |publisher=US National Institute of Standards and Technology |accessdate=2015-09-25|quote=2014 CODATA recommended values}}&lt;/ref&gt;
     }}
     |mu0 =   {{#switch: {{{2}}}
                 |symbol = ''μ''&lt;sub&gt;0&lt;/sub&gt;
                 |val = 12.566370614
                 |un1 =
                 |unc =
                 |round = 9
                 |end = ...
                 |exp = -7
                 |runc = 0
                 |unit = N/A&lt;sup&gt;2&lt;/sup&gt;
                 |ref = &lt;ref name=&quot;physconst-mu0&quot;&gt;{{cite web |url=http://physics.nist.gov/cgi-bin/cuu/Value?mu0 |title=CODATA Value: magnetic constant |date=June 2015 |work=The NIST Reference on Constants, Units, and Uncertainty |publisher=US National Institute of Standards and Technology |accessdate=2015-09-25|quote=2014 CODATA recommended values}}&lt;/ref&gt;
     }}
     |NA =   {{#switch: {{{2}}}
                 |symbol = ''N''&lt;sub&gt;A&lt;/sub&gt;
                 |val = 6.022140857
                 |un1 = 0.000000074
                 |unc =         (74)
                 |round = 8
                 |exp = 23
                 |runc = 1.2
                 |rexp = -8
                 |unit = mol&lt;sup&gt;−1&lt;/sup&gt;
                 |ref = &lt;ref name=&quot;physconst-NA&quot;&gt;{{cite web |url=http://physics.nist.gov/cgi-bin/cuu/Value?na |title=CODATA Value: Avogadro constant |date=June 2015 |work=The NIST Reference on Constants, Units, and Uncertainty |publisher=US National Institute of Standards and Technology |accessdate=2015-09-25|quote=2014 CODATA recommended values}}&lt;/ref&gt;
     }}
     |Phi0 =   {{#switch: {{{2}}}
                 |symbol = ''Φ''&lt;sub&gt;0&lt;/sub&gt;
                 |val = 2.067833831
                 |un1 = 0.000000013
                 |unc =         (13)
                 |round = 8
                 |exp = -15
                 |runc = 6.1
                 |rexp = -9
                 |unit = Wb
                 |ref = &lt;ref name=&quot;physconst-Phi0&quot;&gt;{{cite web |url=http://physics.nist.gov/cgi-bin/cuu/Value?flxquhs2e |title=CODATA Value: magnetic flux quantum |date=June 2015 |work=The NIST Reference on Constants, Units, and Uncertainty |publisher=US National Institute of Standards and Technology |accessdate=2015-09-25|quote=2014 CODATA recommended values}}&lt;/ref&gt;
     }}
     |R =   {{#switch: {{{2}}}
                 |symbol = ''R''
                 |val = 8.3144598
                 |un1 = 0.0000048
                 |unc =       (48)
                 |round = 5
                 |exp =
                 |runc = 5.7
                 |rexp = -7
                 |unit = J⋅mol&lt;sup&gt;−1&lt;/sup&gt;⋅K&lt;sup&gt;−1&lt;/sup&gt;
                 |ref = &lt;ref name=&quot;physconst-R&quot;&gt;{{cite web |url=http://physics.nist.gov/cgi-bin/cuu/Value?r |title=CODATA Value: molar gas constant |date=June 2015 |work=The NIST Reference on Constants, Units, and Uncertainty |publisher=US National Institute of Standards and Technology |accessdate=2015-09-25|quote=2014 CODATA recommended values}}&lt;/ref&gt;
     }}
     |Rinf =   {{#switch: {{{2}}}
                 |symbol = ''R''&lt;sub&gt;∞&lt;/sub&gt;
                 |val = 10973731.568508
                 |un1 =        0.000065
                 |unc =             (65)
                 |round = 4
                 |exp =
                 |runc = 5.9
                 |rexp = -12
                 |unit = m&lt;sup&gt;−1&lt;/sup&gt;
                 |ref = &lt;ref name=&quot;physconst-Rinf&quot;&gt;{{cite web |url=http://physics.nist.gov/cgi-bin/cuu/Value?ryd |title=CODATA Value: Rydberg constant |date=June 2015 |work=The NIST Reference on Constants, Units, and Uncertainty |publisher=US National Institute of Standards and Technology |accessdate=2015-09-25|quote=2014 CODATA recommended values}}&lt;/ref&gt;
     }}
     |RK =   {{#switch: {{{2}}}
                 |symbol = ''R''&lt;sub&gt;K&lt;/sub&gt;
                 |val = 25812.8074555
                 |un1 =     0.0000059
                 |unc =           (59)
                 |round = 6
                 |exp =
                 |runc = 2.3
                 |rexp = -10
                 |unit = Ω
                 |ref = &lt;ref name=&quot;physconst-RK&quot;&gt;{{cite web |url=http://physics.nist.gov/cgi-bin/cuu/Value?rk |title=CODATA Value: von Klitzing constant |date=June 2015 |work=The NIST Reference on Constants, Units, and Uncertainty |publisher=US National Institute of Standards and Technology |accessdate=2017-01-18|quote=2014 CODATA recommended values}}&lt;/ref&gt;
     }}
     |sigma =   {{#switch: {{{2}}}
                 |symbol = ''σ''
                 |val = 5.670367
                 |un1 = 0.000013
                 |unc =      (13)
                 |round = 5
                 |exp = -8
                 |runc = 2.3
                 |rexp = -6
                 |unit = W⋅m&lt;sup&gt;−2&lt;/sup&gt;⋅K&lt;sup&gt;−4&lt;/sup&gt;
                 |ref = &lt;ref name=&quot;physconst-sigma&quot;&gt;{{cite web |url=http://physics.nist.gov/cgi-bin/cuu/Value?sigma |title=CODATA Value: Stefan-Boltzmann constant |date=June 2015 |work=The NIST Reference on Constants, Units, and Uncertainty |publisher=US National Institute of Standards and Technology |accessdate=2015-09-25|quote=2014 CODATA recommended values}}&lt;/ref&gt;
     }}
     |Z0 =   {{#switch: {{{2}}}
                 |symbol = ''Z''&lt;sub&gt;0&lt;/sub&gt;
                 |val = 376.730313461
                 |un1 =
                 |unc =
                 |round = 9
                 |end = ...
                 |exp =
                 |runc = 0
                 |unit = Ω
                 |ref = &lt;ref name=&quot;physconst-Z0&quot;&gt;{{cite web |url=http://physics.nist.gov/cgi-bin/cuu/Value?z0 |title=CODATA Value: characteristic impedance of vacuum |date=June 2015 |work=The NIST Reference on Constants, Units, and Uncertainty |publisher=US National Institute of Standards and Technology |accessdate=2017-01-18|quote=2014 CODATA recommended values}}&lt;/ref&gt;
     }}
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