The CP-violating inert-doublet model - Scalars 2011
The CP-violating inert-doublet model - Scalars 2011
The CP-violating inert-doublet model - Scalars 2011
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Simple estimate<br />
MPl<br />
Density of dark matter given by Early Universe 3 〈σv〉<br />
consideration:<br />
Ω<br />
Equilibrium between Hubble expansion and annihilation<br />
DM h 2 = C T 0<br />
3<br />
WMAP:<br />
Calculable<br />
Ω DM h 2 = C T 3 0<br />
M 3 Pl<br />
Ω DM h 2 = C T 0<br />
3 1<br />
〈σv〉 = α2<br />
MPl<br />
3 〈σv〉 m 2<br />
1<br />
Ω<br />
〈σv〉 DM h 2 =0.106 ± T0.008<br />
0<br />
and<br />
ρ − 1=∆ρ ≃ αT = ¯T 〈σv〉 ⎧ = α2<br />
F ( m 2 m<br />
A,m ) ⎨ m2 2 A + 2<br />
m2B<br />
−<br />
m2 AT m2 B<br />
≡ B<br />
T , R<br />
⎩ 2 m 2 A − ln m2 0 m ∼ 100 A<br />
m2 B<br />
m 2 ⇐GeVm 2 A ≠ m2 B ,<br />
B<br />
0 ⎧ ⇐ m<br />
m W = m 2 A = m2 B .<br />
Z<br />
F ( ) ⎨ m 2<br />
G(m m 2<br />
m W = m ⎧<br />
A,m 2 A + m2 B<br />
−<br />
m2 A m2 B<br />
B<br />
B,m ≡ 2 Z) 2 m<br />
Z<br />
F ( ) ⎨ m 2<br />
m<br />
⎧ 2 A,m 2 A + ⎩ 2 A − ln m2 A<br />
m2 B<br />
m 2 ⇐ m 2 A<br />
B<br />
m2 B<br />
−<br />
m2 A m2 0<br />
B<br />
F ( ) ⎨ m 2 B ≡ 2 m<br />
m 2 A,m 2 A + ⎩ 2 A − ln m2 A<br />
m2 B<br />
m 2 ⇐ m 2 A ≠ m2 B ,<br />
⇐ m 2 A<br />
H(m mass 2 A,mscale 2 B,m 2 Z) fits B<br />
G(m well m2 B<br />
−<br />
m2 A m2 0 2 A,mwith B<br />
B ≡ 2 m<br />
⎩ 2 A − ln m2 A<br />
m2 B<br />
m 2 ⇐ m 2 A ≠ m2 B , ⇐ m 2 B,m 2<br />
A = 2 Z) SUSY<br />
m2 B .<br />
B<br />
0 t = I + JG(m − Q, 2 A,mr 2 B,m = ⇐Q Z) 2 −m 2 2Q(I<br />
A = m2 + H(m<br />
B . J)+(I 2 A,m− 2 B,m J) 2 Z)<br />
G(m 2 A,m 2 B,m 2 Z)<br />
Ω DM h 2 = C T 3 0<br />
Ω DM h 2 =0.106 ± 0.008<br />
1<br />
CMBR temp<br />
M 3 Pl<br />
1<br />
〈σv〉<br />
Ω DM h 2 =0.106 ± 0.008<br />
〈σv〉 = α2<br />
H(m 2 A,m 2 B,m 2 ⎛<br />
( t = I )<br />
Z)<br />
+ J −⎜ Q, G0⎞ ⎟r = Q 2 − 2Q(I + J)+(I − J) 2<br />
m 2