EU: JOULE_PER_KM
Status:
STD 2005/06/07
Code:
104
Symbol:
J/km
EQ label:
LINEAR_ENERGY_TRANSFER
Quantities associated with this Unit
Quantity:
total linear stopping power
Concept definition:
-d
E
/dχ, where -d
E
is the energy [
ISO 80000-5:2007
, item 5-20.1] decrement in the χ-direction along an elementary path with the length dχ [
ISO 80000-3:2006
, item 3-1.1].
1 J/km = 1 x 10
-3
J/m
(exactly).
Reference type:
PR
Reference:
[
ISO 80000-10:2009
, item 10-55.a]
Supplemental references:
[
ISO 80000-1:2009
, 6.5.4]
Quantity:
linear energy transfer
Concept definition:
For ionizing charged particles, d
E
Δ
/d
l
, where d
E
Δ
is the mean energy lost in electronic collisions locally to matter along a small path through the matter, minus the sum of the kinetic energies of all the electrons released with energies in excess of
Δ
, and d
l
[
ISO 80000-3:2006
, item 3-1.1] is the length of that path.
1 J/km = 10
-3
J/m
(exactly).
Reference type:
PR
Reference:
[
ISO 80000-10:2009
, item 10-88.a]
Supplemental references:
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