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SUSY Dark Matter and Colliders - whepp-9

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Coannihilation Slope<br />

annihilation (%)<br />

70<br />

60<br />

50<br />

40<br />

30<br />

20<br />

0 0<br />

χ 1 χ1<br />

0 ~<br />

χ 1 τ<br />

~ ~<br />

τ τ<br />

0 ~<br />

χ 1 l<br />

~ ~<br />

l~ (τ /l )<br />

~ ~<br />

l =µ or<br />

~<br />

e<br />

10<br />

0<br />

100 150 200 250 300 350 400<br />

m~ (GeV)<br />

τ<br />

m 2˜lR ≈ m 2 0 + 0.15M 2 1/2 , M χ 0 1 ≈ 0.4M 1/2<br />

Low enough M 1/2 ⇒ quasi-deegenerate ˜τ, M χ<br />

0<br />

1<br />

<strong>SUSY</strong> <strong>Dark</strong> <strong>Matter</strong> <strong>and</strong> <strong>Colliders</strong><br />

B.C. Allanach – p.24/53

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