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Colloquium by Jonathan Feng - Fermilab Center for Particle ...

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THE RISE OF THE WIMP PARADIGM<br />

• We have learned a lot about the<br />

Universe in recent years<br />

• There is now overwhelming evidence<br />

that normal (atomic) matter is not all<br />

the matter in the Universe:<br />

Dark Matter: 23% ± 4%<br />

Dark Energy: 73% ± 4%<br />

Normal Matter: 4% ± 0.4%<br />

Neutrinos: 0.2% (Σmν/0.1eV) • To date, all evidence is from dark<br />

matter’s gravitational effects<br />

23 Mar 11 <strong>Feng</strong> 4

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