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NAME
SYMBOL
VALUE
Compton Wavelength, Tau
λ
C,τ
0.69770(11) × 10
-15
m
Conductance Quantum 2e
2
/h
G
0
7.748091696(28) × 10
-5
S
Constant, Absolute Entropy
S
0
/R
-1.1517048(44)
-1.1648678(44)
Constant, Boltzmann
k
1.3806503(24) × 10
-23
J K
-1
8.617342(15) × 10
-5
eV K
-1
2.0836644(36) × 10
10
Constant, Dirac's
ħ
(h bar)
1.054571596(82) × 10
-34
J s
6.58211889(26) × 10
-16
eV s
Constant, Electric (1/µ
0
c
2
)
ε
0
8.854187817 × 10
-12
F m
-1
Constant, Faraday
F
96485.3415(39) C mol
-1
Constant, Fermi
1.4 × 10
-50
J m
-3
Constant, Fine Structure
α
7.297352533(27) × 10
-3
Constant, First Radiation 2πhc
2
c
1
3.74177107(29) × 10
-16
W m
2
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