Small-Angle Neutron Scattering - Kfki
Small-Angle Neutron Scattering - Kfki
Small-Angle Neutron Scattering - Kfki
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Nuclear and magnetic particle form-factors<br />
Nuclear scattering<br />
Magnetic scattering<br />
F<br />
2<br />
( q)<br />
= [<br />
R<br />
max<br />
∫<br />
0<br />
sin( qr)<br />
( ρ(<br />
r)<br />
− ρs<br />
)<br />
qr<br />
4πr<br />
2<br />
dr]<br />
2<br />
F<br />
2<br />
N<br />
( q)<br />
= [( ρ0<br />
- ρ1)<br />
V0Φ(<br />
qR0<br />
) + ( ρ1<br />
- ρs<br />
) V1Φ(<br />
qR1<br />
)]<br />
2<br />
F<br />
2<br />
M<br />
( q)<br />
= [ ρmVmΦ(<br />
qRm<br />
)]<br />
2<br />
Mitglied in der Helmholtz-Gemeinschaft<br />
Model spherical “core-shell”<br />
Model “homogeneous sphere”<br />
Unmagnetized FF<br />
Φ( x)<br />
= 3(sin( x)<br />
− x cos( x)) / x<br />
I +<br />
2<br />
3<br />
2<br />
2<br />
( q)<br />
= nF N<br />
nFM<br />
3
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