Fast Neutron Scattering Analysis - University of Cape Town
Fast Neutron Scattering Analysis - University of Cape Town
Fast Neutron Scattering Analysis - University of Cape Town
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<strong>Neutron</strong> elastic scattering<br />
(a) 12 C(n,n) 12 C<br />
Differential<br />
cross section<br />
dσ/dΩ (b sr -1 )<br />
4.0<br />
3.0<br />
2.0<br />
1.0<br />
0.0<br />
1.0 0.5 0.0 -0.5 1.0<br />
-1.0<br />
2.0<br />
3.0<br />
6.0<br />
5.0<br />
4.0<br />
E o<br />
(MeV)<br />
7.0<br />
8.0<br />
cos Θ<br />
)<br />
E scattered<br />
/ E incident<br />
for neutron<br />
1.0<br />
0.8<br />
0.6<br />
0.4<br />
0.2<br />
Kinematics<br />
A=1<br />
0.0<br />
0 30 60 90 120 150 180<br />
<strong>Neutron</strong> laboratory scattering angle (degrees)<br />
A=207<br />
A=56<br />
A=27<br />
A=16<br />
A=14<br />
A=12<br />
A=10<br />
A=7<br />
A=4<br />
A=2<br />
(b) 14 N(n,n) 14 N<br />
dσ/dΩ (b sr -1 )<br />
4.0<br />
3.0<br />
2.0<br />
1.0<br />
0.0<br />
1.0 0.5 0.0 -0.5 1.0<br />
-1.0<br />
(c) 16 O(n,n) 16 O<br />
dσ/dΩ (b sr -1 )<br />
4.0<br />
3.0<br />
2.0<br />
1.0<br />
cos Θ<br />
0.0<br />
1.0 0.5 0.0 -0.5 1.0<br />
-1.0<br />
2.0<br />
2.0<br />
3.0<br />
3.0<br />
5.0<br />
4.0<br />
E o<br />
(MeV)<br />
6.0<br />
6.0<br />
5.0<br />
4.0<br />
E o<br />
(MeV)<br />
7.0<br />
7.0<br />
8.0<br />
8.0<br />
cos Θ
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