SUSY Dark Matter and Colliders - whepp-9

Annihilation Mechanism
Define stau co-annihilation when m˜τ is within 10% of
m χ
0
1
and Higgs pole when m h,A is within 10% of
2m χ
0
1
.
Region likelihood
h 0 pole 0.02±0.01
A 0 pole 0.41±0.03
˜τ co-an 0.27±0.04
˜t co-an (2.1 ± 4.8) × 10 −4
Table 0: Likelihood of being in a certain region of
mSUGRA parameter space.
Likelihood of chain ˜q L → χ 0 2 → ˜l R → χ 0 1 is 24±4%
SUSY Dark Matter and Colliders
B.C. Allanach – p.17/53