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Constants
>
Physics
>
Subatomic Particles
Showing results
161
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165
of
165
, on page
17
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17
NAME
SYMBOL
VALUE
Tau-Muon Mass Ratio
m
τ
/m
µ
16.8188(27)
Tau-Neutron Mass Ratio
m
τ
/m
n
1.89135(31)
Tau-Proton Mass Ratio
m
τ
/m
p
1.89396(31)
Thomson Cross Section
σ
e
0.665245854(15) × 10
-28
m
2
Wavelength of Electron, Compton
λ
c
2.426310215(18) × 10
-12
m
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