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Small-Angle Neutron Scattering - Kfki

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Case of two kinds of particles<br />

ρ ,ε ,ε<br />

1 1<br />

2 2<br />

ε + ε<br />

1 2<br />

=<br />

1<br />

2<br />

2 2<br />

ρ = ( ε ρ V + ε ρ V ) /( ε V + ε V<br />

e<br />

2<br />

1 1 c1<br />

2 2 c2<br />

1 c1<br />

2 c2<br />

)<br />

I(0)<br />

=<br />

ρ ~ 2 2 2<br />

2 2 2 2 2<br />

n∆ρ ( ε V + ε V ) + n(<br />

ρ − ρ ) ε ε V V /( ε V + ε V )<br />

1<br />

c1<br />

2<br />

c2<br />

1<br />

2<br />

1<br />

2<br />

c1<br />

c2<br />

1<br />

c1<br />

2<br />

c2<br />

Mitglied in der Helmholtz-Gemeinschaft<br />

Residual intensity at zero angle is determined by the difference in SLDs.

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