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Powder Diffraction - Spallation Neutron Source

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<strong>Spallation</strong> <strong>Source</strong>s<br />

A pulse of protons impacting the target produces a<br />

shower of fast neutrons that are slowed down in a<br />

moderator. A new pulse is created ~30 times/sec<br />

Intensity<br />

Intensity<br />

Time<br />

Energy<br />

Each pulse of<br />

neutrons contains<br />

a broad spectrum<br />

of neutron<br />

energies

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