Symbol Meaning
t Time
t
1/2
Radionuclide half life
T Absolute temperature
v Volume
V Voltage
w Width
x Amplitude
d
Distance between the neighboring atomic planes (for graphite
d
¼ 0.335 nm)
D
Particle kinetic energy transferred to lattice vibrations
3
Energy released per atom
e
0
Permittivity of vacuum,
3
0
¼ 8.85 x 10
14
F/cm
h
Efficiency
Q
Period of oscillation
m
Reduced mass
r
Density of substance
s
Conductivity
s
Radionuclide mean life time
4
Electric potential
w Indicates order of magnitude
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