The CP-violating inert-doublet model - Scalars 2011

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10
3
10
[GeV] M S
-20
10
10
2
10
10
3
[GeV]
Long lifetime
differences, ∆ ± M ≡ M η ± − M S vs M S .Right:Correspondingη ± lifetime.
M S
Mass difference
± lifetime
-6
10
ions, decays 2
10involving η ± could lead to observable signals. It was
10
-8
at in a related model [64], the combination of a small mass splitting
alar and the inert one, together with a small mixing
-10
angle, can lead
M [GeV]
±
10
10
alars that give displaced vertices in LHC detectors.
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In that model,
10
comes about from the assumption of unification at a high scale. In
1
-14
10
ere, the small splitting is required by theappropriatepredictionfor
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ance in the case 10
-1 of a heavy S (the DM candidate). It is therefore of
10
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er similar experimental signals are expected here as well. We split
cases, according to the mass hierarchies.
-2
10
2
10
10
3
M S
[GeV]
[s]
10
10
-20
10
10
2
10
10
3
M S
[GeV]
l W )
Degeneracy at high masses
but cross section would be small
η + → Sl + ν l (12.2)