H.Sung Cheon (ì²íì±, ååè) - DESY Theory workshop 2008
H.Sung Cheon (ì²íì±, ååè) - DESY Theory workshop 2008
H.Sung Cheon (ì²íì±, ååè) - DESY Theory workshop 2008
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Our Model & DAMA experiment<br />
38<br />
a<br />
38<br />
b<br />
Log Σelnucleoncm 2 <br />
39<br />
40<br />
41<br />
42<br />
43<br />
Dotted : m h ⩵150 GeV<br />
Solid : m h ⩵120 GeV<br />
m S<br />
⩵80 GeV<br />
⩵0.11, Ε ⩵1, Ε S ∼0<br />
Λ 3 ⩵0.6<br />
Log Σelnucleoncm 2 <br />
39<br />
40<br />
41<br />
42<br />
43<br />
Red : Singlet DM model<br />
Dotted : Ε ⩵1, Ε S ∼0<br />
Blue : Ε ⩵0.5, Ε S ⩵0.5<br />
m h ⩵150 GeV, m S<br />
⩵80 GeV<br />
⩵0.11, Λ 3 ⩵0.6<br />
44<br />
2 4 6 8 10<br />
44<br />
2 4 6 8 10<br />
m GeV<br />
m GeV<br />
Here the shadowed region can accommodate DAMA and<br />
the other direct dark matter detection experiments.<br />
Fig-(a) : Same relic density -> same annihilation cross section -> same<br />
λ 2<br />
ratio<br />
M 4 h<br />
S. Andreas, T. Hambye and M. H. G. Tytgat, arXiv:0808.0255 [hep-ph].<br />
Fig-(b) :<br />
σ el<br />
m 0<br />
= ɛ S<br />
m S<br />
σ S + ɛ Φ<br />
m Φ<br />
σ Φ<br />
⇒ σ el ≈ ɛ φ σ φ
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