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Silicon burning process
In
astrophysics
,
silicon burning
is a
nuclear fusion
reaction which occurs in stars. It only occurs at ?×10
8
K
.
28
Si
+
28
Si
→
56
Ni
+
γ
56
Ni
→
56
Fe
+ 2
e
+
+ 2
ν
e
at temperature above 10
9
K -> photons become too energetic ->
photodissociation
or
photonuclear reactions
.
production of element heavier than iron are
endothermic
and
are exclusively produced by
neutron capture
in the violent final stage of
stellar evolution
(see:
Supernova nucleosynthesis[?]
,
r-process[?]
,
s-process[?]
and
p-process[?]
).
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